diff --git a/admin/tool/admin_presets/classes/event/preset_deleted.php b/admin/tool/admin_presets/classes/event/preset_deleted.php
index a7027059da7..544cbdf04d2 100644
--- a/admin/tool/admin_presets/classes/event/preset_deleted.php
+++ b/admin/tool/admin_presets/classes/event/preset_deleted.php
@@ -36,10 +36,6 @@ class preset_deleted extends base {
         return "User {$this->userid} has deleted the preset with id {$this->objectid}.";
     }
 
-    public function get_legacy_logdata(): array {
-        return [$this->courseid, 'tool_admin_presets', 'delete', '', $this->objectid, $this->contextinstanceid];
-    }
-
     protected function init(): void {
         $this->data['crud'] = 'd';
         $this->data['edulevel'] = self::LEVEL_OTHER;
diff --git a/admin/tool/admin_presets/classes/event/preset_exported.php b/admin/tool/admin_presets/classes/event/preset_exported.php
index 810b58c6c1e..af3a2aa0dfd 100644
--- a/admin/tool/admin_presets/classes/event/preset_exported.php
+++ b/admin/tool/admin_presets/classes/event/preset_exported.php
@@ -41,10 +41,6 @@ class preset_exported extends base {
             ['action' => 'load', 'mode' => 'preview', 'id' => $this->objectid]);
     }
 
-    public function get_legacy_logdata(): array {
-        return [$this->courseid, 'tool_admin_presets', 'export', '', $this->objectid, $this->contextinstanceid];
-    }
-
     protected function init(): void {
         $this->data['crud'] = 'c';
         $this->data['edulevel'] = self::LEVEL_OTHER;
diff --git a/admin/tool/admin_presets/classes/event/preset_imported.php b/admin/tool/admin_presets/classes/event/preset_imported.php
index 81835117890..75050646212 100644
--- a/admin/tool/admin_presets/classes/event/preset_imported.php
+++ b/admin/tool/admin_presets/classes/event/preset_imported.php
@@ -41,10 +41,6 @@ class preset_imported extends base {
             ['action' => 'load', 'mode' => 'preview', 'id' => $this->objectid]);
     }
 
-    public function get_legacy_logdata(): array {
-        return [$this->courseid, 'tool_admin_presets', 'import', '', $this->objectid, $this->contextinstanceid];
-    }
-
     protected function init(): void {
         $this->data['crud'] = 'c';
         $this->data['edulevel'] = self::LEVEL_OTHER;
diff --git a/admin/tool/admin_presets/classes/event/preset_loaded.php b/admin/tool/admin_presets/classes/event/preset_loaded.php
index 86c87dc0c50..d2e274e11e4 100644
--- a/admin/tool/admin_presets/classes/event/preset_loaded.php
+++ b/admin/tool/admin_presets/classes/event/preset_loaded.php
@@ -41,10 +41,6 @@ class preset_loaded extends base {
             ['action' => 'load', 'mode' => 'preview', 'id' => $this->objectid]);
     }
 
-    public function get_legacy_logdata(): array {
-        return [$this->courseid, 'tool_admin_presets', 'load', '', $this->objectid, $this->contextinstanceid];
-    }
-
     protected function init(): void {
         $this->data['crud'] = 'u';
         $this->data['edulevel'] = self::LEVEL_OTHER;
diff --git a/admin/tool/admin_presets/classes/event/preset_reverted.php b/admin/tool/admin_presets/classes/event/preset_reverted.php
index f7503cf47d4..97602b89413 100644
--- a/admin/tool/admin_presets/classes/event/preset_reverted.php
+++ b/admin/tool/admin_presets/classes/event/preset_reverted.php
@@ -36,10 +36,6 @@ class preset_reverted extends base {
         return "User {$this->userid} has reverted the preset with id {$this->objectid}.";
     }
 
-    public function get_legacy_logdata(): array {
-        return [$this->courseid, 'tool_admin_presets', 'rollback', '', $this->objectid, $this->contextinstanceid];
-    }
-
     protected function init(): void {
         $this->data['crud'] = 'u';
         $this->data['edulevel'] = self::LEVEL_OTHER;
diff --git a/admin/tool/admin_presets/classes/event/presets_listed.php b/admin/tool/admin_presets/classes/event/presets_listed.php
index 650b6eee53e..89298c8fd37 100644
--- a/admin/tool/admin_presets/classes/event/presets_listed.php
+++ b/admin/tool/admin_presets/classes/event/presets_listed.php
@@ -40,10 +40,6 @@ class presets_listed extends base {
         return new \moodle_url('/admin/tool/admin_presets/index.php');
     }
 
-    public function get_legacy_logdata(): array {
-        return [$this->courseid, 'tool_admin_presets', 'base', '', $this->objectid, $this->contextinstanceid];
-    }
-
     protected function init(): void {
         $this->data['crud'] = 'r';
         $this->data['edulevel'] = self::LEVEL_OTHER;
diff --git a/admin/tool/admin_presets/tests/event/preset_deleted_test.php b/admin/tool/admin_presets/tests/event/preset_deleted_test.php
index 1c98d22d0df..0f4a4928a98 100644
--- a/admin/tool/admin_presets/tests/event/preset_deleted_test.php
+++ b/admin/tool/admin_presets/tests/event/preset_deleted_test.php
@@ -55,7 +55,5 @@ class preset_deleted_test extends \advanced_testcase {
         $this->assertInstanceOf('\tool_admin_presets\event\preset_deleted', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals($presetid, $event->objectid);
-        $expected = [0, 'tool_admin_presets', 'delete', '', $presetid, 0];
-        $this->assertEventLegacyLogData($expected, $event);
     }
 }
diff --git a/admin/tool/admin_presets/tests/event/preset_exported_test.php b/admin/tool/admin_presets/tests/event/preset_exported_test.php
index 6e0314f32cf..2f3d8e9d6db 100644
--- a/admin/tool/admin_presets/tests/event/preset_exported_test.php
+++ b/admin/tool/admin_presets/tests/event/preset_exported_test.php
@@ -55,7 +55,5 @@ class preset_exported_test extends \advanced_testcase {
         $this->assertInstanceOf('\tool_admin_presets\event\preset_exported', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals($presetid, $event->objectid);
-        $expected = [0, 'tool_admin_presets', 'export', '', $presetid, 0];
-        $this->assertEventLegacyLogData($expected, $event);
     }
 }
diff --git a/admin/tool/admin_presets/tests/event/preset_imported_test.php b/admin/tool/admin_presets/tests/event/preset_imported_test.php
index 0298d209e41..6d290895e57 100644
--- a/admin/tool/admin_presets/tests/event/preset_imported_test.php
+++ b/admin/tool/admin_presets/tests/event/preset_imported_test.php
@@ -55,7 +55,5 @@ class preset_imported_test extends \advanced_testcase {
         $this->assertInstanceOf('\tool_admin_presets\event\preset_imported', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals($presetid, $event->objectid);
-        $expected = [0, 'tool_admin_presets', 'import', '', $presetid, 0];
-        $this->assertEventLegacyLogData($expected, $event);
     }
 }
diff --git a/admin/tool/admin_presets/tests/event/preset_loaded_test.php b/admin/tool/admin_presets/tests/event/preset_loaded_test.php
index 32405f4eff3..455e3beb790 100644
--- a/admin/tool/admin_presets/tests/event/preset_loaded_test.php
+++ b/admin/tool/admin_presets/tests/event/preset_loaded_test.php
@@ -55,7 +55,5 @@ class preset_loaded_test extends \advanced_testcase {
         $this->assertInstanceOf('\tool_admin_presets\event\preset_loaded', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals($presetid, $event->objectid);
-        $expected = [0, 'tool_admin_presets', 'load', '', $presetid, 0];
-        $this->assertEventLegacyLogData($expected, $event);
     }
 }
diff --git a/admin/tool/admin_presets/tests/event/preset_reverted_test.php b/admin/tool/admin_presets/tests/event/preset_reverted_test.php
index 61210220e03..9dfe8d9f377 100644
--- a/admin/tool/admin_presets/tests/event/preset_reverted_test.php
+++ b/admin/tool/admin_presets/tests/event/preset_reverted_test.php
@@ -55,7 +55,5 @@ class preset_reverted_test extends \advanced_testcase {
         $this->assertInstanceOf('\tool_admin_presets\event\preset_reverted', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals($presetid, $event->objectid);
-        $expected = [0, 'tool_admin_presets', 'rollback', '', $presetid, 0];
-        $this->assertEventLegacyLogData($expected, $event);
     }
 }
diff --git a/admin/tool/admin_presets/tests/event/presets_listed_test.php b/admin/tool/admin_presets/tests/event/presets_listed_test.php
index 84765486f7e..5fe3c8429fa 100644
--- a/admin/tool/admin_presets/tests/event/presets_listed_test.php
+++ b/admin/tool/admin_presets/tests/event/presets_listed_test.php
@@ -55,7 +55,5 @@ class presets_listed_test extends \advanced_testcase {
         $this->assertInstanceOf('\tool_admin_presets\event\presets_listed', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals($presetid, $event->objectid);
-        $expected = [0, 'tool_admin_presets', 'base', '', $presetid, 0];
-        $this->assertEventLegacyLogData($expected, $event);
     }
 }
diff --git a/admin/tool/capability/classes/event/report_viewed.php b/admin/tool/capability/classes/event/report_viewed.php
index 84d72543691..d4b770c6c94 100644
--- a/admin/tool/capability/classes/event/report_viewed.php
+++ b/admin/tool/capability/classes/event/report_viewed.php
@@ -62,15 +62,6 @@ class report_viewed extends \core\event\base {
         return "The user with id '$this->userid' viewed the capability overview report.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'admin', 'tool capability', 'tool/capability/index.php');
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/admin/tool/capability/tests/event/events_test.php b/admin/tool/capability/tests/event/events_test.php
index 8fd03ae7b3a..9b0947147d2 100644
--- a/admin/tool/capability/tests/event/events_test.php
+++ b/admin/tool/capability/tests/event/events_test.php
@@ -55,8 +55,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\tool_capability\event\report_viewed', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = array(SITEID, "admin", "tool capability", "tool/capability/index.php");
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/admin/tool/capability/index.php');
         $this->assertEquals($url, $event->get_url());
diff --git a/admin/tool/log/store/legacy/tests/fixtures/event.php b/admin/tool/log/store/legacy/tests/fixtures/event.php
index 093afa6ecde..4afb22bd77d 100644
--- a/admin/tool/log/store/legacy/tests/fixtures/event.php
+++ b/admin/tool/log/store/legacy/tests/fixtures/event.php
@@ -44,21 +44,4 @@ class unittest_executed extends \core\event\base {
     public function get_url() {
         return new \moodle_url('/somepath/somefile.php', array('id' => $this->data['other']['sample']));
     }
-
-    public static function get_legacy_eventname() {
-        return 'test_legacy';
-    }
-
-    protected function get_legacy_eventdata() {
-        return array($this->data['courseid'], $this->data['other']['sample']);
-    }
-
-    protected function get_legacy_logdata() {
-        $cmid = 0;
-        if ($this->contextlevel == CONTEXT_MODULE) {
-            $cmid = $this->contextinstanceid;
-        }
-        return array($this->data['courseid'], 'core_unittest', 'view',
-            'unittest.php?id=' . $this->data['other']['sample'], 'bbb', $cmid);
-    }
 }
diff --git a/auth/ldap/tests/plugin_test.php b/auth/ldap/tests/plugin_test.php
index fc7ca70fcb3..d94722c76bb 100644
--- a/auth/ldap/tests/plugin_test.php
+++ b/auth/ldap/tests/plugin_test.php
@@ -379,9 +379,6 @@ class plugin_test extends \advanced_testcase {
         $this->assertEquals('user', $event->objecttable);
         $this->assertEquals('2', $event->objectid);
         $this->assertEquals(\context_system::instance()->id, $event->contextid);
-        $expectedlog = array(SITEID, 'user', 'login', 'view.php?id=' . $USER->id . '&course=' . SITEID, $user->id,
-            0, $user->id);
-        $this->assertEventLegacyLogData($expectedlog, $event);
     }
 
     /**
@@ -508,10 +505,7 @@ class plugin_test extends \advanced_testcase {
         $event = array_pop($events);
         $this->assertInstanceOf('\core\event\user_created', $event);
         $this->assertEquals($user['id'], $event->objectid);
-        $this->assertEquals('user_created', $event->get_legacy_eventname());
         $this->assertEquals(\context_user::instance($user['id']), $event->get_context());
-        $expectedlogdata = array(SITEID, 'user', 'add', '/view.php?id='.$event->objectid, fullname($dbuser));
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
 
         // First event is user_password_updated.
         $event = array_pop($events);
diff --git a/blog/tests/event/events_test.php b/blog/tests/event/events_test.php
index a53e99197d9..23c5a5223d9 100644
--- a/blog/tests/event/events_test.php
+++ b/blog/tests/event/events_test.php
@@ -137,10 +137,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($USER->id, $event->userid);
         $this->assertEquals($this->userid, $event->relateduserid);
         $this->assertEquals("post", $event->objecttable);
-        $arr = array(SITEID, 'blog', 'add', 'index.php?userid=' . $this->userid . '&entryid=' . $blog->id, $blog->subject);
-        $this->assertEventLegacyLogData($arr, $event);
-        $this->assertEquals("blog_entry_added", $event->get_legacy_eventname());
-        $this->assertEventLegacyData($blog, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -172,10 +168,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($USER->id, $event->userid);
         $this->assertEquals($this->userid, $event->relateduserid);
         $this->assertEquals("post", $event->objecttable);
-        $this->assertEquals("blog_entry_edited", $event->get_legacy_eventname());
-        $this->assertEventLegacyData($blog, $event);
-        $arr = array (SITEID, 'blog', 'update', 'index.php?userid=' . $this->userid . '&entryid=' . $blog->id, $blog->subject);
-        $this->assertEventLegacyLogData($arr, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -207,11 +199,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($this->userid, $event->relateduserid);
         $this->assertEquals("post", $event->objecttable);
         $this->assertEquals($record, $event->get_record_snapshot("post", $blog->id));
-        $this->assertSame('blog_entry_deleted', $event->get_legacy_eventname());
-        $arr = array(SITEID, 'blog', 'delete', 'index.php?userid=' . $blog->userid, 'deleted blog entry with entry id# ' .
-                $blog->id);
-        $this->assertEventLegacyLogData($arr, $event);
-        $this->assertEventLegacyData($blog, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -292,9 +279,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($USER->id, $event->userid);
         $this->assertEquals($this->userid, $event->relateduserid);
         $this->assertEquals('blog_association', $event->objecttable);
-        $arr = array(SITEID, 'blog', 'add association', 'index.php?userid=' . $this->userid . '&entryid=' . $blog->id,
-                     $blog->subject, 0, $this->userid);
-        $this->assertEventLegacyLogData($arr, $event);
 
         // Add blog associations with a module.
         $blog = new \blog_entry($this->postid);
@@ -308,9 +292,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($blog->id, $event->other['blogid']);
         $this->assertEquals($this->cmid, $event->other['associateid']);
         $this->assertEquals('coursemodule', $event->other['associatetype']);
-        $arr = array(SITEID, 'blog', 'add association', 'index.php?userid=' . $this->userid . '&entryid=' . $blog->id,
-                     $blog->subject, $this->cmid, $this->userid);
-        $this->assertEventLegacyLogData($arr, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -393,10 +374,7 @@ class events_test extends \advanced_testcase {
 
         // Validate event data.
         $url = new \moodle_url('/blog/index.php', $other);
-        $url2 = new \moodle_url('index.php', $other);
         $this->assertEquals($url, $event->get_url());
-        $arr = array(SITEID, 'blog', 'view', $url2->out(), 'view blog entry');
-        $this->assertEventLegacyLogData($arr, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/calendar/tests/event/events_test.php b/calendar/tests/event/events_test.php
index edb609a9c15..b7019305f25 100644
--- a/calendar/tests/event/events_test.php
+++ b/calendar/tests/event/events_test.php
@@ -87,10 +87,8 @@ class events_test extends \advanced_testcase {
         $this->assertEquals('event', $event->objecttable);
         $this->assertEquals(0, $event->courseid);
         $this->assertEquals($calevent->context, $event->get_context());
-        $expectedlog = array(0, 'calendar', 'add', 'event.php?action=edit&id=' . $calevent->id , $calevent->name);
         $other = array('repeatid' => 0, 'timestart' => $time, 'name' => 'event');
         $this->assertEquals($other, $event->other);
-        $this->assertEventLegacyLogData($expectedlog, $event);
         $this->assertEventContextNotUsed($event);
 
         // Now we create a repeated course event.
@@ -194,8 +192,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals('event', $event->objecttable);
         $this->assertEquals(0, $event->courseid);
         $this->assertEquals($calevent->context, $event->get_context());
-        $expectedlog = array(0, 'calendar', 'edit', 'event.php?action=edit&id=' . $calevent->id , $calevent->name);
-        $this->assertEventLegacyLogData($expectedlog, $event);
         $other = array('repeatid' => 0, 'timestart' => $time, 'name' => 'new event');
         $this->assertEquals($other, $event->other);
         $this->assertEventContextNotUsed($event);
@@ -249,8 +245,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals('event', $event->objecttable);
         $this->assertEquals($siteid, $event->courseid);
         $this->assertEquals($calevent->context, $event->get_context());
-        $expectedlog = [$siteid, 'calendar', 'edit', 'event.php?action=edit&id=' . $calevent->id , $calevent->name];
-        $this->assertEventLegacyLogData($expectedlog, $event);
         $other = array('repeatid' => 0, 'timestart' => $time, 'name' => 'Some wickedly awesome event yo!');
         $this->assertEquals($other, $event->other);
         $this->assertEventContextNotUsed($event);
diff --git a/cohort/tests/lib_test.php b/cohort/tests/lib_test.php
index ccadc66a0c7..e5dc044e32f 100644
--- a/cohort/tests/lib_test.php
+++ b/cohort/tests/lib_test.php
@@ -102,7 +102,6 @@ class lib_test extends \advanced_testcase {
         $url = new \moodle_url('/cohort/index.php', array('contextid' => $event->contextid));
         $this->assertEquals($url, $event->get_url());
         $this->assertEquals($cohort, $event->get_record_snapshot('cohort', $id));
-        $this->assertEventLegacyData($cohort, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -179,7 +178,6 @@ class lib_test extends \advanced_testcase {
         $url = new \moodle_url('/cohort/edit.php', array('id' => $event->objectid));
         $this->assertEquals($url, $event->get_url());
         $this->assertEquals($cohort, $event->get_record_snapshot('cohort', $id));
-        $this->assertEventLegacyData($cohort, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -219,7 +217,6 @@ class lib_test extends \advanced_testcase {
         $url = new \moodle_url('/cohort/index.php', array('contextid' => $event->contextid));
         $this->assertEquals($url, $event->get_url());
         $this->assertEquals($cohort, $event->get_record_snapshot('cohort', $cohort->id));
-        $this->assertEventLegacyData($cohort, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -279,7 +276,6 @@ class lib_test extends \advanced_testcase {
         $this->assertEquals($USER->id, $event->userid);
         $url = new \moodle_url('/cohort/assign.php', array('id' => $event->objectid));
         $this->assertEquals($url, $event->get_url());
-        $this->assertEventLegacyData((object) array('cohortid' => $cohort->id, 'userid' => $user->id), $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -325,7 +321,6 @@ class lib_test extends \advanced_testcase {
         $this->assertEquals($USER->id, $event->userid);
         $url = new \moodle_url('/cohort/assign.php', array('id' => $event->objectid));
         $this->assertEquals($url, $event->get_url());
-        $this->assertEventLegacyData((object) array('cohortid' => $cohort->id, 'userid' => $user->id), $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/course/classes/category.php b/course/classes/category.php
index 30fd13d0277..cb482053ca3 100644
--- a/course/classes/category.php
+++ b/course/classes/category.php
@@ -2179,8 +2179,6 @@ class core_course_category implements renderable, cacheable_object, IteratorAggr
                     'objectid' => $childcat->id,
                     'context' => $childcat->get_context()
                 ));
-                $event->set_legacy_logdata(array(SITEID, 'category', 'move', 'editcategory.php?id=' . $childcat->id,
-                    $childcat->id));
                 $event->trigger();
             }
             fix_course_sortorder();
@@ -2371,7 +2369,6 @@ class core_course_category implements renderable, cacheable_object, IteratorAggr
                 'objectid' => $this->id,
                 'context' => $this->get_context()
             ));
-            $event->set_legacy_logdata(array(SITEID, 'category', 'move', 'editcategory.php?id=' . $this->id, $this->id));
             $event->trigger();
         }
     }
@@ -2443,7 +2440,6 @@ class core_course_category implements renderable, cacheable_object, IteratorAggr
                 'objectid' => $this->id,
                 'context' => $this->get_context()
             ));
-            $event->set_legacy_logdata(array(SITEID, 'category', 'hide', 'editcategory.php?id=' . $this->id, $this->id));
             $event->trigger();
         }
     }
@@ -2502,7 +2498,6 @@ class core_course_category implements renderable, cacheable_object, IteratorAggr
                 'objectid' => $this->id,
                 'context' => $this->get_context()
             ));
-            $event->set_legacy_logdata(array(SITEID, 'category', 'show', 'editcategory.php?id=' . $this->id, $this->id));
             $event->trigger();
         }
     }
@@ -3066,8 +3061,6 @@ class core_course_category implements renderable, cacheable_object, IteratorAggr
                 'objectid' => $this->id,
                 'context' => $this->get_context()
             ));
-            $event->set_legacy_logdata(array(SITEID, 'category', 'move', 'management.php?categoryid=' . $this->id,
-                $this->id));
             $event->trigger();
 
             // Finally reorder courses.
diff --git a/course/lib.php b/course/lib.php
index e42511cc58f..7bdd844f8d4 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -2024,7 +2024,6 @@ function move_courses($courseids, $categoryid) {
                              'fullname' => $dbcourse->fullname,
                              'updatedfields' => array('category' => $category->id))
         ));
-        $event->set_legacy_logdata(array($course->id, 'course', 'move', 'edit.php?id=' . $course->id, $course->id));
         $event->trigger();
     }
     fix_course_sortorder();
@@ -2490,7 +2489,6 @@ function update_course($data, $editoroptions = NULL) {
                          'updatedfields' => $updatedfields)
     ));
 
-    $event->set_legacy_logdata(array($course->id, 'course', 'update', 'edit.php?id=' . $course->id, $course->id));
     $event->trigger();
 
     if ($oldcourse->format !== $course->format) {
diff --git a/course/resources.php b/course/resources.php
index 96325e686b8..350c9bd65d7 100644
--- a/course/resources.php
+++ b/course/resources.php
@@ -51,7 +51,6 @@ foreach ($allmodules as $key=>$module) {
 
 // Triger view event.
 $event = \core\event\course_resources_list_viewed::create(array('context' => context_course::instance($course->id)));
-$event->set_legacy_logdata($availableresources);
 $event->add_record_snapshot('course', $course);
 $event->trigger();
 
diff --git a/course/tests/courselib_test.php b/course/tests/courselib_test.php
index 0c17b7a9250..f972ed5c346 100644
--- a/course/tests/courselib_test.php
+++ b/course/tests/courselib_test.php
@@ -1867,10 +1867,6 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals($course->id, $event->objectid);
         $this->assertEquals(context_course::instance($course->id), $event->get_context());
         $this->assertEquals($course, $event->get_record_snapshot('course', $course->id));
-        $this->assertEquals('course_created', $event->get_legacy_eventname());
-        $this->assertEventLegacyData($course, $event);
-        $expectedlog = array(SITEID, 'course', 'new', 'view.php?id=' . $course->id, $course->fullname . ' (ID ' . $course->id . ')');
-        $this->assertEventLegacyLogData($expectedlog, $event);
 
         // Now we want to trigger creating a course via the imsenterprise.
         // Delete the course we created earlier, as we want the imsenterprise plugin to create this.
@@ -1941,10 +1937,6 @@ class courselib_test extends advanced_testcase {
         $url = new moodle_url('/course/edit.php', array('id' => $event->objectid));
         $this->assertEquals($url, $event->get_url());
         $this->assertEquals($updatedcourse, $event->get_record_snapshot('course', $event->objectid));
-        $this->assertEquals('course_updated', $event->get_legacy_eventname());
-        $this->assertEventLegacyData($updatedcourse, $event);
-        $expectedlog = array($updatedcourse->id, 'course', 'update', 'edit.php?id=' . $course->id, $course->id);
-        $this->assertEventLegacyLogData($expectedlog, $event);
 
         // Move course and catch course_updated event.
         $sink = $this->redirectEvents();
@@ -1961,10 +1953,6 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals($movedcourse->id, $event->objectid);
         $this->assertEquals(context_course::instance($course->id), $event->get_context());
         $this->assertEquals($movedcourse, $event->get_record_snapshot('course', $movedcourse->id));
-        $this->assertEquals('course_updated', $event->get_legacy_eventname());
-        $this->assertEventLegacyData($movedcourse, $event);
-        $expectedlog = array($movedcourse->id, 'course', 'move', 'edit.php?id=' . $movedcourse->id, $movedcourse->id);
-        $this->assertEventLegacyLogData($expectedlog, $event);
 
         // Move course to hidden category and catch course_updated event.
         $sink = $this->redirectEvents();
@@ -1981,10 +1969,6 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals($movedcoursehidden->id, $event->objectid);
         $this->assertEquals(context_course::instance($course->id), $event->get_context());
         $this->assertEquals($movedcoursehidden, $event->get_record_snapshot('course', $movedcoursehidden->id));
-        $this->assertEquals('course_updated', $event->get_legacy_eventname());
-        $this->assertEventLegacyData($movedcoursehidden, $event);
-        $expectedlog = array($movedcoursehidden->id, 'course', 'move', 'edit.php?id=' . $movedcoursehidden->id, $movedcoursehidden->id);
-        $this->assertEventLegacyLogData($expectedlog, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -2054,21 +2038,11 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals($course->id, $event->objectid);
         $this->assertEquals($coursecontext->id, $event->contextid);
         $this->assertEquals($course, $event->get_record_snapshot('course', $course->id));
-        $this->assertEquals('course_deleted', $event->get_legacy_eventname());
         $eventdata = $event->get_data();
         $this->assertSame($course->idnumber, $eventdata['other']['idnumber']);
         $this->assertSame($course->fullname, $eventdata['other']['fullname']);
         $this->assertSame($course->shortname, $eventdata['other']['shortname']);
 
-        // The legacy data also passed the context in the course object and substitutes timemodified with the current date.
-        $expectedlegacy = clone($course);
-        $expectedlegacy->context = $coursecontext;
-        $expectedlegacy->timemodified = $event->timecreated;
-        $this->assertEventLegacyData($expectedlegacy, $event);
-
-        // Validate legacy log data.
-        $expectedlog = array(SITEID, 'course', 'delete', 'view.php?id=' . $course->id, $course->fullname . '(ID ' . $course->id . ')');
-        $this->assertEventLegacyLogData($expectedlog, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -2106,11 +2080,6 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals($course->id, $event->objectid);
         $this->assertEquals($coursecontext->id, $event->contextid);
         $this->assertEquals($course, $event->get_record_snapshot('course', $course->id));
-        $this->assertEquals('course_content_removed', $event->get_legacy_eventname());
-        // The legacy data also passed the context and options in the course object.
-        $course->context = $coursecontext;
-        $course->options = array();
-        $this->assertEventLegacyData($course, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -2147,11 +2116,7 @@ class courselib_test extends advanced_testcase {
             'name' => $category->name,
         ], $event->other);
         $this->assertEquals($categoryrecord, $event->get_record_snapshot($event->objecttable, $event->objectid));
-        $this->assertEquals('course_category_deleted', $event->get_legacy_eventname());
         $this->assertEquals(null, $event->get_url());
-        $this->assertEventLegacyData($category, $event);
-        $expectedlog = array(SITEID, 'category', 'delete', 'index.php', $category->name . '(ID ' . $category->id . ')');
-        $this->assertEventLegacyLogData($expectedlog, $event);
 
         // Create two categories.
         $category = $this->getDataGenerator()->create_category();
@@ -2182,10 +2147,6 @@ class courselib_test extends advanced_testcase {
             'contentmovedcategoryid' => $category->id,
         ], $event->other);
         $this->assertEquals($category2record, $event->get_record_snapshot($event->objecttable, $event->objectid));
-        $this->assertEquals('course_category_deleted', $event->get_legacy_eventname());
-        $this->assertEventLegacyData($category2, $event);
-        $expectedlog = array(SITEID, 'category', 'delete', 'index.php', $category2->name . '(ID ' . $category2->id . ')');
-        $this->assertEventLegacyLogData($expectedlog, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -2286,19 +2247,6 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals('course', $event->objecttable);
         $this->assertEquals($rc->get_courseid(), $event->objectid);
         $this->assertEquals(context_course::instance($rc->get_courseid())->id, $event->contextid);
-        $this->assertEquals('course_restored', $event->get_legacy_eventname());
-        $legacydata = (object) array(
-            'courseid' => $rc->get_courseid(),
-            'userid' => $rc->get_userid(),
-            'type' => $rc->get_type(),
-            'target' => $rc->get_target(),
-            'mode' => $rc->get_mode(),
-            'operation' => $rc->get_operation(),
-            'samesite' => $rc->is_samesite()
-        );
-        $url = new moodle_url('/course/view.php', array('id' => $event->objectid));
-        $this->assertEquals($url, $event->get_url());
-        $this->assertEventLegacyData($legacydata, $event);
         $this->assertEventContextNotUsed($event);
 
         // Destroy the resource controller since we are done using it.
@@ -2357,8 +2305,6 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals($section, $event->get_record_snapshot('course_sections', $event->objectid));
         $id = $section->id;
         $sectionnum = $section->section;
-        $expectedlegacydata = array($course->id, "course", "editsection", 'editsection.php?id=' . $id, $sectionnum);
-        $this->assertEventLegacyLogData($expectedlegacydata, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -2392,11 +2338,6 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals($expecteddesc, $event->get_description());
         $this->assertEquals($section, $event->get_record_snapshot('course_sections', $event->objectid));
         $this->assertNull($event->get_url());
-
-        // Test legacy data.
-        $sectionnum = $section->section;
-        $expectedlegacydata = array($course->id, "course", "delete section", 'view.php?id=' . $course->id, $sectionnum);
-        $this->assertEventLegacyLogData($expectedlegacydata, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -2546,22 +2487,6 @@ class courselib_test extends advanced_testcase {
                 $this->assertEquals('course_modules', $event->objecttable);
                 $url = new moodle_url('/mod/assign/view.php', array('id' => $module->cmid));
                 $this->assertEquals($url, $event->get_url());
-
-                // Test legacy data.
-                $this->assertSame('mod_created', $event->get_legacy_eventname());
-                $eventdata = new stdClass();
-                $eventdata->modulename = 'assign';
-                $eventdata->name       = $module->name;
-                $eventdata->cmid       = $module->cmid;
-                $eventdata->courseid   = $module->course;
-                $eventdata->userid     = $USER->id;
-                $this->assertEventLegacyData($eventdata, $event);
-
-                $arr = array(
-                    array($module->course, "course", "add mod", "../mod/assign/view.php?id=$module->cmid", "assign $module->id"),
-                    array($module->course, "assign", "add", "view.php?id=$module->cmid", $module->id, $module->cmid)
-                );
-                $this->assertEventLegacyLogData($arr, $event);
                 $this->assertEventContextNotUsed($event);
             }
         }
@@ -2686,22 +2611,6 @@ class courselib_test extends advanced_testcase {
                 $this->assertEquals('course_modules', $event->objecttable);
                 $url = new moodle_url('/mod/forum/view.php', array('id' => $cm->id));
                 $this->assertEquals($url, $event->get_url());
-
-                // Test legacy data.
-                $this->assertSame('mod_updated', $event->get_legacy_eventname());
-                $eventdata = new stdClass();
-                $eventdata->modulename = 'forum';
-                $eventdata->name       = $mod->name;
-                $eventdata->cmid       = $cm->id;
-                $eventdata->courseid   = $cm->course;
-                $eventdata->userid     = $USER->id;
-                $this->assertEventLegacyData($eventdata, $event);
-
-                $arr = array(
-                    array($cm->course, "course", "update mod", "../mod/forum/view.php?id=$cm->id", "forum $cm->instance"),
-                    array($cm->course, "forum", "update", "view.php?id=$cm->id", $cm->instance, $cm->id)
-                );
-                $this->assertEventLegacyLogData($arr, $event);
                 $this->assertEventContextNotUsed($event);
             }
         }
@@ -2746,12 +2655,6 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals($cm->instance, $event2->other['instanceid']);
         $this->assertEquals($cm->name, $event2->other['name']);
         $this->assertEventContextNotUsed($event2);
-        $this->assertSame('mod_updated', $event2->get_legacy_eventname());
-        $arr = array(
-            array($cm->course, "course", "update mod", "../mod/assign/view.php?id=$cm->id", "assign $cm->instance"),
-            array($cm->course, "assign", "update", "view.php?id=$cm->id", $cm->instance, $cm->id)
-        );
-        $this->assertEventLegacyLogData($arr, $event);
     }
 
     /**
@@ -2842,19 +2745,6 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals('course_modules', $event->objecttable);
         $this->assertEquals(null, $event->get_url());
         $this->assertEquals($cm, $event->get_record_snapshot('course_modules', $cm->id));
-
-        // Test legacy data.
-        $this->assertSame('mod_deleted', $event->get_legacy_eventname());
-        $eventdata = new stdClass();
-        $eventdata->modulename = 'forum';
-        $eventdata->cmid       = $cm->id;
-        $eventdata->courseid   = $cm->course;
-        $eventdata->userid     = $USER->id;
-        $this->assertEventLegacyData($eventdata, $event);
-
-        $arr = array($cm->course, 'course', "delete mod", "view.php?id=$cm->course", "forum $cm->instance", $cm->id);
-        $this->assertEventLegacyLogData($arr, $event);
-
     }
 
     /**
@@ -3068,7 +2958,6 @@ class courselib_test extends advanced_testcase {
         $coursecontext = context_course::instance($course->id);
 
         $event = \core\event\course_resources_list_viewed::create(array('context' => context_course::instance($course->id)));
-        $event->set_legacy_logdata(array('book', 'page', 'resource'));
         $sink = $this->redirectEvents();
         $event->trigger();
         $events = $sink->get_events();
@@ -3081,12 +2970,6 @@ class courselib_test extends advanced_testcase {
         $this->assertEquals(null, $event->objectid);
         $this->assertEquals($course->id, $event->courseid);
         $this->assertEquals($coursecontext->id, $event->contextid);
-        $expectedlegacydata = array(
-            array($course->id, "book", "view all", 'index.php?id=' . $course->id, ''),
-            array($course->id, "page", "view all", 'index.php?id=' . $course->id, ''),
-            array($course->id, "resource", "view all", 'index.php?id=' . $course->id, ''),
-        );
-        $this->assertEventLegacyLogData($expectedlegacydata, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/enrol/meta/tests/plugin_test.php b/enrol/meta/tests/plugin_test.php
index 163cb791a3f..b293b1c63de 100644
--- a/enrol/meta/tests/plugin_test.php
+++ b/enrol/meta/tests/plugin_test.php
@@ -623,11 +623,6 @@ class plugin_test extends \advanced_testcase {
         $dbuserenrolled = $DB->get_record('user_enrolments', array('userid' => $user1->id));
         $this->assertInstanceOf('\core\event\user_enrolment_created', $event);
         $this->assertEquals($dbuserenrolled->id, $event->objectid);
-        $this->assertEquals('user_enrolled', $event->get_legacy_eventname());
-        $expectedlegacyeventdata = $dbuserenrolled;
-        $expectedlegacyeventdata->enrol = 'meta';
-        $expectedlegacyeventdata->courseid = $course2->id;
-        $this->assertEventLegacyData($expectedlegacyeventdata, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -661,7 +656,6 @@ class plugin_test extends \advanced_testcase {
 
         $this->assertEquals(0, $DB->count_records('user_enrolments'));
         $this->assertInstanceOf('\core\event\user_enrolment_deleted', $event);
-        $this->assertEquals('user_unenrolled', $event->get_legacy_eventname());
         $this->assertEventContextNotUsed($event);
     }
 
@@ -697,13 +691,6 @@ class plugin_test extends \advanced_testcase {
         $dbuserenrolled = $DB->get_record('user_enrolments', array('userid' => $user1->id));
         $this->assertInstanceOf('\core\event\user_enrolment_updated', $event);
         $this->assertEquals($dbuserenrolled->id, $event->objectid);
-        $this->assertEquals('user_enrol_modified', $event->get_legacy_eventname());
-        $expectedlegacyeventdata = $dbuserenrolled;
-        $expectedlegacyeventdata->enrol = 'meta';
-        $expectedlegacyeventdata->courseid = $course2->id;
-        $url = new \moodle_url('/enrol/editenrolment.php', array('ue' => $event->objectid));
-        $this->assertEquals($url, $event->get_url());
-        $this->assertEventLegacyData($expectedlegacyeventdata, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/enrol/tests/enrollib_test.php b/enrol/tests/enrollib_test.php
index f033f57e208..21ed45aeada 100644
--- a/enrol/tests/enrollib_test.php
+++ b/enrol/tests/enrollib_test.php
@@ -656,13 +656,6 @@ class enrollib_test extends advanced_testcase {
         $this->assertInstanceOf('\core\event\user_enrolment_created', $event);
         $this->assertEquals($dbuserenrolled->id, $event->objectid);
         $this->assertEquals(context_course::instance($course1->id), $event->get_context());
-        $this->assertEquals('user_enrolled', $event->get_legacy_eventname());
-        $expectedlegacyeventdata = $dbuserenrolled;
-        $expectedlegacyeventdata->enrol = $manual->get_name();
-        $expectedlegacyeventdata->courseid = $course1->id;
-        $this->assertEventLegacyData($expectedlegacyeventdata, $event);
-        $expected = array($course1->id, 'course', 'enrol', '../enrol/users.php?id=' . $course1->id, $course1->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -697,14 +690,6 @@ class enrollib_test extends advanced_testcase {
         // Validate the event.
         $this->assertInstanceOf('\core\event\user_enrolment_deleted', $event);
         $this->assertEquals(context_course::instance($course->id), $event->get_context());
-        $this->assertEquals('user_unenrolled', $event->get_legacy_eventname());
-        $expectedlegacyeventdata = $dbuserenrolled;
-        $expectedlegacyeventdata->enrol = $manualplugin->get_name();
-        $expectedlegacyeventdata->courseid = $course->id;
-        $expectedlegacyeventdata->lastenrol = true;
-        $this->assertEventLegacyData($expectedlegacyeventdata, $event);
-        $expected = array($course->id, 'course', 'unenrol', '../enrol/users.php?id=' . $course->id, $course->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/group/tests/lib_test.php b/group/tests/lib_test.php
index baaa2944c39..7763f1627c9 100644
--- a/group/tests/lib_test.php
+++ b/group/tests/lib_test.php
@@ -52,13 +52,6 @@ class lib_test extends \advanced_testcase {
         $this->assertCount(1, $events);
         $event = reset($events);
 
-        $expected = new \stdClass();
-        $expected->groupid = $group->id;
-        $expected->userid  = $user->id;
-        $expected->component = 'mod_workshop';
-        $expected->itemid = '123';
-        $this->assertEventLegacyData($expected, $event);
-        $this->assertSame('groups_member_added', $event->get_legacy_eventname());
         $this->assertInstanceOf('\core\event\group_member_added', $event);
         $this->assertEquals($user->id, $event->relateduserid);
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
@@ -83,11 +76,6 @@ class lib_test extends \advanced_testcase {
         $this->assertCount(1, $events);
         $event = reset($events);
 
-        $expected = new \stdClass();
-        $expected->groupid = $group->id;
-        $expected->userid  = $user->id;
-        $this->assertEventLegacyData($expected, $event);
-        $this->assertSame('groups_member_removed', $event->get_legacy_eventname());
         $this->assertInstanceOf('\core\event\group_member_removed', $event);
         $this->assertEquals($user->id, $event->relateduserid);
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
@@ -109,8 +97,6 @@ class lib_test extends \advanced_testcase {
         $event = reset($events);
 
         $this->assertInstanceOf('\core\event\group_created', $event);
-        $this->assertEventLegacyData($group, $event);
-        $this->assertSame('groups_group_created', $event->get_legacy_eventname());
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
         $this->assertEquals($group->id, $event->objectid);
         $url = new \moodle_url('/group/index.php', array('id' => $event->courseid));
@@ -131,9 +117,6 @@ class lib_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\core\event\grouping_created', $event);
 
-        $this->assertEventLegacyData($group, $event);
-        $this->assertSame('groups_grouping_created', $event->get_legacy_eventname());
-
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
         $this->assertEquals($group->id, $event->objectid);
         $url = new \moodle_url('/group/groupings.php', array('id' => $event->courseid));
@@ -163,8 +146,6 @@ class lib_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\core\event\group_updated', $event);
         $group->name = $data->name;
-        $this->assertEventLegacyData($group, $event);
-        $this->assertSame('groups_group_updated', $event->get_legacy_eventname());
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
         $this->assertEquals($group->id, $event->objectid);
         $url = new \moodle_url('/group/group.php', array('id' => $event->objectid));
@@ -192,8 +173,6 @@ class lib_test extends \advanced_testcase {
         $this->assertTimeCurrent($group->timemodified);
 
         $this->assertInstanceOf('\core\event\group_updated', $event);
-        $this->assertEventLegacyData($group, $event);
-        $this->assertSame('groups_group_updated', $event->get_legacy_eventname());
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
         $this->assertEquals($group->id, $event->objectid);
         $url = new \moodle_url('/group/group.php', array('id' => $event->objectid));
@@ -224,15 +203,6 @@ class lib_test extends \advanced_testcase {
         // Get the timemodified from DB for comparison with snapshot.
         $data->timemodified = $DB->get_field('groupings', 'timemodified', array('id'=>$grouping->id));
         $this->assertTimeCurrent($data->timemodified);
-        // Following fields were not updated so the snapshot should have them the same as in original group.
-        $data->description = $grouping->description;
-        $data->descriptionformat = $grouping->descriptionformat;
-        $data->configdata = $grouping->configdata;
-        $data->idnumber = $grouping->idnumber;
-        $data->timecreated = $grouping->timecreated;
-        // Assert legacy event data.
-        $this->assertEventLegacyData($data, $event);
-        $this->assertSame('groups_grouping_updated', $event->get_legacy_eventname());
 
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
         $this->assertEquals($grouping->id, $event->objectid);
@@ -270,9 +240,6 @@ class lib_test extends \advanced_testcase {
         $data->idnumber = $grouping->idnumber;
         $data->name = $grouping->name;
         $data->timecreated = $grouping->timecreated;
-        // Assert legacy event data.
-        $this->assertEventLegacyData($data, $event);
-        $this->assertSame('groups_grouping_updated', $event->get_legacy_eventname());
 
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
         $this->assertEquals($grouping->id, $event->objectid);
@@ -292,9 +259,6 @@ class lib_test extends \advanced_testcase {
         $this->assertCount(1, $events);
         $event = reset($events);
 
-        $this->assertInstanceOf('\core\event\group_deleted', $event);
-        $this->assertEventLegacyData($group, $event);
-        $this->assertSame('groups_group_deleted', $event->get_legacy_eventname());
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
         $this->assertEquals($group->id, $event->objectid);
         $url = new \moodle_url('/group/index.php', array('id' => $event->courseid));
@@ -314,8 +278,6 @@ class lib_test extends \advanced_testcase {
         $event = reset($events);
 
         $this->assertInstanceOf('\core\event\grouping_deleted', $event);
-        $this->assertEventLegacyData($group, $event);
-        $this->assertSame('groups_grouping_deleted', $event->get_legacy_eventname());
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
         $this->assertEquals($group->id, $event->objectid);
         $url = new \moodle_url('/group/groupings.php', array('id' => $event->courseid));
diff --git a/h5p/classes/event/h5p_deleted.php b/h5p/classes/event/h5p_deleted.php
index a3fe4fad18d..d8fcaa84eb8 100644
--- a/h5p/classes/event/h5p_deleted.php
+++ b/h5p/classes/event/h5p_deleted.php
@@ -85,13 +85,4 @@ class h5p_deleted extends \core\event\base {
         // There is no url since the previous event already has the url where the h5p content has been displayed.
         return null;
     }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'core_h5p_deleted';
-    }
-}
\ No newline at end of file
+}
diff --git a/h5p/classes/event/h5p_viewed.php b/h5p/classes/event/h5p_viewed.php
index ef7015cc3dc..babf0edaf65 100644
--- a/h5p/classes/event/h5p_viewed.php
+++ b/h5p/classes/event/h5p_viewed.php
@@ -85,13 +85,4 @@ class h5p_viewed extends \core\event\base {
         // There is no url since the previous event already has the url where the h5p content has been displayed.
         return null;
     }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'core_h5p_viewed';
-    }
-}
\ No newline at end of file
+}
diff --git a/lib/classes/event/base.php b/lib/classes/event/base.php
index b0872145605..48af850098e 100644
--- a/lib/classes/event/base.php
+++ b/lib/classes/event/base.php
@@ -705,39 +705,6 @@ abstract class base implements \IteratorAggregate {
         return $this->logextra;
     }
 
-    /**
-     * Does this event replace legacy event?
-     *
-     * Note: do not use directly!
-     *
-     * @return null|string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return null;
-    }
-
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * Note: do not use directly!
-     *
-     * @return mixed
-     */
-    protected function get_legacy_eventdata() {
-        return null;
-    }
-
-    /**
-     * Doest this event replace add_to_log() statement?
-     *
-     * Note: do not use directly!
-     *
-     * @return null|array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return null;
-    }
-
     /**
      * Validate all properties right before triggering the event.
      *
@@ -818,22 +785,6 @@ abstract class base implements \IteratorAggregate {
 
         $this->triggered = true;
 
-        if (isset($CFG->loglifetime) and $CFG->loglifetime != -1) {
-            if ($data = $this->get_legacy_logdata()) {
-                $manager = get_log_manager();
-                if (method_exists($manager, 'legacy_add_to_log')) {
-                    if (is_array($data[0])) {
-                        // Some events require several entries in 'log' table.
-                        foreach ($data as $d) {
-                            call_user_func_array(array($manager, 'legacy_add_to_log'), $d);
-                        }
-                    } else {
-                        call_user_func_array(array($manager, 'legacy_add_to_log'), $data);
-                    }
-                }
-            }
-        }
-
         if (PHPUNIT_TEST and \phpunit_util::is_redirecting_events()) {
             $this->dispatched = true;
             \phpunit_util::event_triggered($this);
diff --git a/lib/classes/event/blog_association_created.php b/lib/classes/event/blog_association_created.php
index 3c30861aa03..b071a15e940 100644
--- a/lib/classes/event/blog_association_created.php
+++ b/lib/classes/event/blog_association_created.php
@@ -80,21 +80,6 @@ class blog_association_created extends base {
         return new \moodle_url('/blog/index.php', array('entryid' => $this->other['blogid']));
     }
 
-    /**
-     * replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        if ($this->other['associatetype'] === 'course') {
-            return array (SITEID, 'blog', 'add association', 'index.php?userid=' . $this->relateduserid. '&entryid=' .
-                    $this->other['blogid'], $this->other['subject'], 0, $this->relateduserid);
-        }
-
-        return array (SITEID, 'blog', 'add association', 'index.php?userid=' . $this->relateduserid. '&entryid=' .
-                $this->other['blogid'], $this->other['subject'], $this->other['associateid'], $this->relateduserid);
-    }
-
     /**
      * Custom validations.
      *
diff --git a/lib/classes/event/blog_entries_viewed.php b/lib/classes/event/blog_entries_viewed.php
index e240ffbe1c1..456687d0445 100644
--- a/lib/classes/event/blog_entries_viewed.php
+++ b/lib/classes/event/blog_entries_viewed.php
@@ -91,22 +91,6 @@ class blog_entries_viewed extends base {
         return new \moodle_url('/blog/index.php', $params);
     }
 
-    /**
-     * replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        $params = array();
-        foreach ($this->validparams as $param) {
-            if (!empty($this->other[$param])) {
-                $params[$param] = $this->other[$param];
-            }
-        }
-        $url = new \moodle_url('index.php', $params);
-        return array (SITEID, 'blog', 'view', $url->out(), 'view blog entry');
-    }
-
     public static function get_other_mapping() {
         $othermapped = array();
         $othermapped['entryid'] = array('db' => 'post', 'restore' => base::NOT_MAPPED);
diff --git a/lib/classes/event/blog_entry_created.php b/lib/classes/event/blog_entry_created.php
index ff697ea9c6b..121aac05165 100644
--- a/lib/classes/event/blog_entry_created.php
+++ b/lib/classes/event/blog_entry_created.php
@@ -99,34 +99,6 @@ class blog_entry_created extends base {
         return new \moodle_url('/blog/index.php', array('entryid' => $this->objectid));
     }
 
-    /**
-     * Does this event replace legacy event?
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'blog_entry_added';
-    }
-
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \blog_entry
-     */
-    protected function get_legacy_eventdata() {
-        return $this->blogentry;
-    }
-
-    /**
-     * Replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array (SITEID, 'blog', 'add', 'index.php?userid=' . $this->relateduserid . '&entryid=' . $this->objectid,
-            $this->blogentry->subject);
-    }
-
     /**
      * Custom validations.
      *
diff --git a/lib/classes/event/blog_entry_deleted.php b/lib/classes/event/blog_entry_deleted.php
index 74a067e947a..aba7161e340 100644
--- a/lib/classes/event/blog_entry_deleted.php
+++ b/lib/classes/event/blog_entry_deleted.php
@@ -90,34 +90,6 @@ class blog_entry_deleted extends base {
         return "The user with id '$this->userid' deleted the blog entry with id '$this->objectid'.";
     }
 
-    /**
-     * Does this event replace legacy event?
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'blog_entry_deleted';
-    }
-
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \blog_entry
-     */
-    protected function get_legacy_eventdata() {
-        return $this->blogentry;
-    }
-
-    /**
-     * replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array (SITEID, 'blog', 'delete', 'index.php?userid=' . $this->relateduserid, 'deleted blog entry with entry id# '.
-                $this->objectid);
-    }
-
     /**
      * Custom validations.
      *
diff --git a/lib/classes/event/blog_entry_updated.php b/lib/classes/event/blog_entry_updated.php
index 73959b6d8c0..78347668c8c 100644
--- a/lib/classes/event/blog_entry_updated.php
+++ b/lib/classes/event/blog_entry_updated.php
@@ -97,34 +97,6 @@ class blog_entry_updated extends base {
         return new \moodle_url('/blog/index.php', array('entryid' => $this->objectid));
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \blog_entry
-     */
-    protected function get_legacy_eventdata() {
-        return $this->blogentry;
-    }
-
-    /**
-     * Legacy event name.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'blog_entry_edited';
-    }
-
-    /**
-     * Replace legacy add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'blog', 'update', 'index.php?userid=' . $this->relateduserid . '&entryid=' . $this->objectid,
-                 $this->blogentry->subject);
-    }
-
     /**
      * Custom validations.
      *
diff --git a/lib/classes/event/calendar_event_created.php b/lib/classes/event/calendar_event_created.php
index a98c238b922..8a163c77cee 100644
--- a/lib/classes/event/calendar_event_created.php
+++ b/lib/classes/event/calendar_event_created.php
@@ -84,15 +84,6 @@ class calendar_event_created extends base {
                 'event_' . $this->objectid);
     }
 
-    /**
-     * Replace legacy add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'calendar', 'add', 'event.php?action=edit&id=' . $this->objectid , $this->other['name']);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/calendar_event_updated.php b/lib/classes/event/calendar_event_updated.php
index 1826f3d0a9f..9aa4da9b0bd 100644
--- a/lib/classes/event/calendar_event_updated.php
+++ b/lib/classes/event/calendar_event_updated.php
@@ -83,15 +83,6 @@ class calendar_event_updated extends base {
         return new \moodle_url('/calendar/event.php', array('action' => 'edit', 'id' => $this->objectid));
     }
 
-    /**
-     * Replace legacy add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'calendar', 'edit', 'event.php?action=edit&id=' . $this->objectid, $this->other['name']);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/cohort_created.php b/lib/classes/event/cohort_created.php
index 764245416ac..57f40321fcf 100644
--- a/lib/classes/event/cohort_created.php
+++ b/lib/classes/event/cohort_created.php
@@ -73,24 +73,6 @@ class cohort_created extends base {
         return new \moodle_url('/cohort/index.php', array('contextid' => $this->contextid));
     }
 
-    /**
-     * Return legacy event name.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'cohort_added';
-    }
-
-    /**
-     * Return legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('cohort', $this->objectid);
-    }
-
     public static function get_objectid_mapping() {
         // Cohorts are not included in backups, so no mapping is needed for restore.
         return array('db' => 'cohort', 'restore' => base::NOT_MAPPED);
diff --git a/lib/classes/event/cohort_deleted.php b/lib/classes/event/cohort_deleted.php
index 37406cc752b..c8b2ab0f730 100644
--- a/lib/classes/event/cohort_deleted.php
+++ b/lib/classes/event/cohort_deleted.php
@@ -73,24 +73,6 @@ class cohort_deleted extends base {
         return new \moodle_url('/cohort/index.php', array('contextid' => $this->contextid));
     }
 
-    /**
-     * Return legacy event name.
-     *
-     * @return null|string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'cohort_deleted';
-    }
-
-    /**
-     * Return legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('cohort', $this->objectid);
-    }
-
     public static function get_objectid_mapping() {
         // Cohorts are not included in backups, so no mapping is needed for restore.
         return array('db' => 'cohort', 'restore' => base::NOT_MAPPED);
diff --git a/lib/classes/event/cohort_member_added.php b/lib/classes/event/cohort_member_added.php
index 0390569ea14..b9c9a397a06 100644
--- a/lib/classes/event/cohort_member_added.php
+++ b/lib/classes/event/cohort_member_added.php
@@ -74,27 +74,6 @@ class cohort_member_added extends base {
         return new \moodle_url('/cohort/assign.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Return legacy event name.
-     *
-     * @return string legacy event name.
-     */
-    public static function get_legacy_eventname() {
-        return 'cohort_member_added';
-    }
-
-    /**
-     * Return legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $data = new \stdClass();
-        $data->cohortid = $this->objectid;
-        $data->userid = $this->relateduserid;
-        return $data;
-    }
-
     /**
      * Custom validations.
      *
diff --git a/lib/classes/event/cohort_member_removed.php b/lib/classes/event/cohort_member_removed.php
index 6152fa6233f..36872b8cce5 100644
--- a/lib/classes/event/cohort_member_removed.php
+++ b/lib/classes/event/cohort_member_removed.php
@@ -75,27 +75,6 @@ class cohort_member_removed extends base {
         return new \moodle_url('/cohort/assign.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Return legacy event name.
-     *
-     * @return string legacy event name.
-     */
-    public static function get_legacy_eventname() {
-        return 'cohort_member_removed';
-    }
-
-    /**
-     * Return legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $data = new \stdClass();
-        $data->cohortid = $this->objectid;
-        $data->userid = $this->relateduserid;
-        return $data;
-    }
-
     /**
      * Custom validations.
      *
diff --git a/lib/classes/event/cohort_updated.php b/lib/classes/event/cohort_updated.php
index 2ee6fe2f7ee..b62cb18a63e 100644
--- a/lib/classes/event/cohort_updated.php
+++ b/lib/classes/event/cohort_updated.php
@@ -73,24 +73,6 @@ class cohort_updated extends base {
         return new \moodle_url('/cohort/edit.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Return legacy event name.
-     *
-     * @return string legacy event name.
-     */
-    public static function get_legacy_eventname() {
-        return 'cohort_updated';
-    }
-
-    /**
-     * Return legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('cohort', $this->objectid);
-    }
-
     public static function get_objectid_mapping() {
         // Cohorts are not included in backups, so no mapping is needed for restore.
         return array('db' => 'cohort', 'restore' => base::NOT_MAPPED);
diff --git a/lib/classes/event/content_viewed.php b/lib/classes/event/content_viewed.php
index 517ad118429..99556f2bd96 100644
--- a/lib/classes/event/content_viewed.php
+++ b/lib/classes/event/content_viewed.php
@@ -95,24 +95,6 @@ abstract class content_viewed extends base {
         return "The user with id '$this->userid' viewed content.";
     }
 
-    /**
-     * Set legacy logdata.
-     *
-     * @param array $legacydata legacy logdata.
-     */
-    public function set_legacy_logdata(array $legacydata) {
-        $this->legacylogdata = $legacydata;
-    }
-
-    /**
-     * Get legacy logdata.
-     *
-     * @return null|array legacy log data.
-     */
-    protected function get_legacy_logdata() {
-        return $this->legacylogdata;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_category_created.php b/lib/classes/event/course_category_created.php
index ceed8dea490..9aae62bedc4 100644
--- a/lib/classes/event/course_category_created.php
+++ b/lib/classes/event/course_category_created.php
@@ -72,15 +72,6 @@ class course_category_created extends base {
         return "The user with id '$this->userid' created the course category with id '$this->objectid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'category', 'add', 'editcategory.php?id=' . $this->objectid, $this->objectid);
-    }
-
     public static function get_objectid_mapping() {
         // Categories are not backed up, so no need to map them on restore.
         return array('db' => 'course_categories', 'restore' => base::NOT_MAPPED);
diff --git a/lib/classes/event/course_category_deleted.php b/lib/classes/event/course_category_deleted.php
index bac3029b1f9..02b89cdf766 100644
--- a/lib/classes/event/course_category_deleted.php
+++ b/lib/classes/event/course_category_deleted.php
@@ -79,24 +79,6 @@ class course_category_deleted extends base {
         return $descr;
     }
 
-    /**
-     * Returns the name of the legacy event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'course_category_deleted';
-    }
-
-    /**
-     * Returns the legacy event data.
-     *
-     * @return \core_course_category the category that was deleted
-     */
-    protected function get_legacy_eventdata() {
-        return $this->coursecat;
-    }
-
     /**
      * Set custom data of the event - deleted coursecat.
      *
@@ -119,15 +101,6 @@ class course_category_deleted extends base {
         return $this->coursecat;
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'category', 'delete', 'index.php', $this->other['name'] . '(ID ' . $this->objectid . ')');
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_category_updated.php b/lib/classes/event/course_category_updated.php
index 72a262fc66e..43c88e7e1f9 100644
--- a/lib/classes/event/course_category_updated.php
+++ b/lib/classes/event/course_category_updated.php
@@ -75,28 +75,6 @@ class course_category_updated extends base {
         return "The user with id '$this->userid' updated the course category with id '$this->objectid'.";
     }
 
-    /**
-     * Set the legacy data used for add_to_log().
-     *
-     * @param array $logdata
-     */
-    public function set_legacy_logdata($logdata) {
-        $this->legacylogdata = $logdata;
-    }
-
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        if (!empty($this->legacylogdata)) {
-            return $this->legacylogdata;
-        }
-
-        return array(SITEID, 'category', 'update', 'editcategory.php?id=' . $this->objectid, $this->objectid);
-    }
-
     public static function get_objectid_mapping() {
         // Categories are not backed up, so no need to map them on restore.
         return array('db' => 'course_categories', 'restore' => base::NOT_MAPPED);
diff --git a/lib/classes/event/course_completed.php b/lib/classes/event/course_completed.php
index b01c626cb44..0f3bbc0230c 100644
--- a/lib/classes/event/course_completed.php
+++ b/lib/classes/event/course_completed.php
@@ -97,24 +97,6 @@ class course_completed extends base {
         return new \moodle_url('/report/completion/index.php', array('course' => $this->courseid));
     }
 
-    /**
-     * Return name of the legacy event, which is replaced by this event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'course_completed';
-    }
-
-    /**
-     * Return course_completed legacy event data.
-     *
-     * @return \stdClass completion data.
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('course_completions', $this->objectid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_completion_updated.php b/lib/classes/event/course_completion_updated.php
index 2efb21cff79..f8b115af290 100644
--- a/lib/classes/event/course_completion_updated.php
+++ b/lib/classes/event/course_completion_updated.php
@@ -70,13 +70,4 @@ class course_completion_updated extends base {
     public function get_url() {
         return new \moodle_url('/course/completion.php', array('id' => $this->courseid));
     }
-
-    /**
-     * Return legacy add_to_log() data.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'course', 'completion updated', 'completion.php?id=' . $this->courseid);
-    }
 }
diff --git a/lib/classes/event/course_content_deleted.php b/lib/classes/event/course_content_deleted.php
index c5207a85335..9164fa37185 100644
--- a/lib/classes/event/course_content_deleted.php
+++ b/lib/classes/event/course_content_deleted.php
@@ -69,28 +69,6 @@ class course_content_deleted extends base {
         return "The user with id '$this->userid' deleted content from course with id '$this->courseid'.";
     }
 
-    /**
-     * Returns the name of the legacy event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'course_content_removed';
-    }
-
-    /**
-     * Returns the legacy event data.
-     *
-     * @return \stdClass the course the content was deleted from
-     */
-    protected function get_legacy_eventdata() {
-        $course = $this->get_record_snapshot('course', $this->objectid);
-        $course->context = $this->context;
-        $course->options = $this->other['options'];
-
-        return $course;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_created.php b/lib/classes/event/course_created.php
index 418a2c291c5..83710fa9691 100644
--- a/lib/classes/event/course_created.php
+++ b/lib/classes/event/course_created.php
@@ -79,33 +79,6 @@ class course_created extends base {
         return new \moodle_url('/course/view.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Returns the name of the legacy event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'course_created';
-    }
-
-    /**
-     * Returns the legacy event data.
-     *
-     * @return \stdClass the course that was created
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('course', $this->objectid);
-    }
-
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'course', 'new', 'view.php?id=' . $this->objectid, $this->other['fullname'] . ' (ID ' . $this->objectid . ')');
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_deleted.php b/lib/classes/event/course_deleted.php
index ea2734ae1ba..1d0be19e10d 100644
--- a/lib/classes/event/course_deleted.php
+++ b/lib/classes/event/course_deleted.php
@@ -71,36 +71,6 @@ class course_deleted extends base {
         return "The user with id '$this->userid' deleted the course with id '$this->courseid'.";
     }
 
-    /**
-     * Returns the name of the legacy event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'course_deleted';
-    }
-
-    /**
-     * Returns the legacy event data.
-     *
-     * @return \stdClass the course that was deleted
-     */
-    protected function get_legacy_eventdata() {
-        $course = $this->get_record_snapshot('course', $this->objectid);
-        $course->context = $this->context;
-        $course->timemodified = $this->data['timecreated'];
-        return $course;
-    }
-
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'course', 'delete', 'view.php?id=' . $this->objectid, $this->other['fullname']  . '(ID ' . $this->objectid . ')');
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_module_completion_updated.php b/lib/classes/event/course_module_completion_updated.php
index f3f46976100..a670d702e2a 100644
--- a/lib/classes/event/course_module_completion_updated.php
+++ b/lib/classes/event/course_module_completion_updated.php
@@ -84,24 +84,6 @@ class course_module_completion_updated extends base {
         return new \moodle_url('/report/progress/index.php', array('course' => $this->courseid));
     }
 
-    /**
-     * Return name of the legacy event, which is replaced by this event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'activity_completion_changed';
-    }
-
-    /**
-     * Return course module completion legacy event data.
-     *
-     * @return \stdClass completion data.
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('course_modules_completion', $this->objectid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_module_created.php b/lib/classes/event/course_module_created.php
index fba54873c78..ed505129bef 100644
--- a/lib/classes/event/course_module_created.php
+++ b/lib/classes/event/course_module_created.php
@@ -110,44 +110,6 @@ class course_module_created extends base {
         return new \moodle_url('/mod/' . $this->other['modulename'] . '/view.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Legacy event name.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'mod_created';
-    }
-
-    /**
-     * Legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $eventdata = new \stdClass();
-        $eventdata->modulename = $this->other['modulename'];
-        $eventdata->name       = $this->other['name'];
-        $eventdata->cmid       = $this->objectid;
-        $eventdata->courseid   = $this->courseid;
-        $eventdata->userid     = $this->userid;
-        return $eventdata;
-    }
-
-    /**
-     * replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        $log1 = array($this->courseid, "course", "add mod", "../mod/" . $this->other['modulename'] . "/view.php?id=" .
-                $this->objectid, $this->other['modulename'] . " " . $this->other['instanceid']);
-        $log2 = array($this->courseid, $this->other['modulename'], "add",
-            "view.php?id={$this->objectid}",
-                "{$this->other['instanceid']}", $this->objectid);
-        return array($log1, $log2);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_module_deleted.php b/lib/classes/event/course_module_deleted.php
index f2289ea7a28..834e4675ecb 100644
--- a/lib/classes/event/course_module_deleted.php
+++ b/lib/classes/event/course_module_deleted.php
@@ -72,39 +72,6 @@ class course_module_deleted extends base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Legacy event name.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'mod_deleted';
-    }
-
-    /**
-     * Legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $eventdata = new \stdClass();
-        $eventdata->modulename = $this->other['modulename'];
-        $eventdata->cmid       = $this->objectid;
-        $eventdata->courseid   = $this->courseid;
-        $eventdata->userid     = $this->userid;
-        return $eventdata;
-    }
-
-    /**
-     * replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array ($this->courseid, "course", "delete mod", "view.php?id=$this->courseid",
-                $this->other['modulename'] . " " . $this->other['instanceid'], $this->objectid);
-    }
-
     /**
      * custom validations
      *
diff --git a/lib/classes/event/course_module_instance_list_viewed.php b/lib/classes/event/course_module_instance_list_viewed.php
index f1437bca6fb..341da811637 100644
--- a/lib/classes/event/course_module_instance_list_viewed.php
+++ b/lib/classes/event/course_module_instance_list_viewed.php
@@ -90,16 +90,6 @@ abstract class course_module_instance_list_viewed extends base{
         return new \moodle_url("/mod/$this->modname/index.php", array('id' => $this->courseid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, $this->modname, 'view all', 'index.php?id=' . $this->courseid, '');
-    }
-
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_module_updated.php b/lib/classes/event/course_module_updated.php
index 70f76e578e1..f76d15e7afe 100644
--- a/lib/classes/event/course_module_updated.php
+++ b/lib/classes/event/course_module_updated.php
@@ -81,44 +81,6 @@ class course_module_updated extends base {
         return new \moodle_url('/mod/' . $this->other['modulename'] . '/view.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Legacy event name.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'mod_updated';
-    }
-
-    /**
-     * Legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $eventdata = new \stdClass();
-        $eventdata->modulename = $this->other['modulename'];
-        $eventdata->name       = $this->other['name'];
-        $eventdata->cmid       = $this->objectid;
-        $eventdata->courseid   = $this->courseid;
-        $eventdata->userid     = $this->userid;
-        return $eventdata;
-    }
-
-    /**
-     * replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        $log1 = array($this->courseid, "course", "update mod", "../mod/" . $this->other['modulename'] . "/view.php?id=" .
-                $this->objectid, $this->other['modulename'] . " " . $this->other['instanceid']);
-        $log2 = array($this->courseid, $this->other['modulename'], "update",
-               "view.php?id={$this->objectid}",
-               "{$this->other['instanceid']}", $this->objectid);
-        return array($log1, $log2);
-    }
-
     /**
      * custom validations
      *
diff --git a/lib/classes/event/course_module_viewed.php b/lib/classes/event/course_module_viewed.php
index 357e8e33a11..a2a0720a0c1 100644
--- a/lib/classes/event/course_module_viewed.php
+++ b/lib/classes/event/course_module_viewed.php
@@ -77,16 +77,6 @@ abstract class course_module_viewed extends base {
         return new \moodle_url("/mod/$this->objecttable/view.php", array('id' => $this->contextinstanceid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, $this->objecttable, 'view', 'view.php?id=' . $this->contextinstanceid, $this->objectid,
-                     $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_resources_list_viewed.php b/lib/classes/event/course_resources_list_viewed.php
index b8318d55079..973f642c78c 100644
--- a/lib/classes/event/course_resources_list_viewed.php
+++ b/lib/classes/event/course_resources_list_viewed.php
@@ -75,35 +75,6 @@ class course_resources_list_viewed extends base {
         return new \moodle_url("/course/resources.php", array('id' => $this->courseid));
     }
 
-    /**
-     * List of resource types enabled in the system. This is used for legacy logging to log one record for each resource type.
-     *
-     * There is no public getter for this data because it does not depend on the
-     * course. It always includes the list of all resource types in the system
-     * even when some of them are not present in the course.
-     *
-     * @param array $data
-     */
-    public function set_legacy_logdata($data) {
-        $this->resourceslist = $data;
-    }
-
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        if (empty($this->resourceslist)) {
-            return null;
-        }
-        $logs = array();
-        foreach ($this->resourceslist as $resourcename) {
-            $logs[] = array($this->courseid, $resourcename, 'view all', 'index.php?id=' . $this->courseid, '');
-        }
-        return $logs;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_restored.php b/lib/classes/event/course_restored.php
index 7b72e4cadda..fd65c6b2c62 100644
--- a/lib/classes/event/course_restored.php
+++ b/lib/classes/event/course_restored.php
@@ -91,32 +91,6 @@ class course_restored extends base {
         return new \moodle_url('/course/view.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Returns the name of the legacy event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'course_restored';
-    }
-
-    /**
-     * Returns the legacy event data.
-     *
-     * @return \stdClass the legacy event data
-     */
-    protected function get_legacy_eventdata() {
-        return (object) array(
-            'courseid' => $this->objectid,
-            'userid' => $this->userid,
-            'type' => $this->other['type'],
-            'target' => $this->other['target'],
-            'mode' => $this->other['mode'],
-            'operation' => $this->other['operation'],
-            'samesite' => $this->other['samesite'],
-        );
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_section_deleted.php b/lib/classes/event/course_section_deleted.php
index e73f1449a5c..e6cfd0dfa49 100644
--- a/lib/classes/event/course_section_deleted.php
+++ b/lib/classes/event/course_section_deleted.php
@@ -73,15 +73,6 @@ class course_section_deleted extends base {
                 "(section name '{$this->other['sectionname']}') for the course with id '$this->courseid'";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'course', 'delete section', 'view.php?id=' . $this->courseid, $this->other['sectionnum']);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_section_updated.php b/lib/classes/event/course_section_updated.php
index 7bca3acc272..9fd4858eb9e 100644
--- a/lib/classes/event/course_section_updated.php
+++ b/lib/classes/event/course_section_updated.php
@@ -81,16 +81,6 @@ class course_section_updated extends base {
         return new \moodle_url('/course/editsection.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $sectiondata = $this->get_record_snapshot('course_sections', $this->objectid);
-        return array($this->courseid, 'course', 'editsection', 'editsection.php?id=' . $this->objectid, $sectiondata->section);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_updated.php b/lib/classes/event/course_updated.php
index 2c9e59d42ce..a717f62ecee 100644
--- a/lib/classes/event/course_updated.php
+++ b/lib/classes/event/course_updated.php
@@ -83,42 +83,6 @@ class course_updated extends base {
         return new \moodle_url('/course/edit.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Returns the name of the legacy event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'course_updated';
-    }
-
-    /**
-     * Returns the legacy event data.
-     *
-     * @return \stdClass the course that was updated
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('course', $this->objectid);
-    }
-
-    /**
-     * Set the legacy data used for add_to_log().
-     *
-     * @param array $logdata
-     */
-    public function set_legacy_logdata($logdata) {
-        $this->legacylogdata = $logdata;
-    }
-
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return $this->legacylogdata;
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'course', 'restore' => 'course');
     }
diff --git a/lib/classes/event/course_user_report_viewed.php b/lib/classes/event/course_user_report_viewed.php
index 45b5f279c8f..e9ff2cd3c53 100644
--- a/lib/classes/event/course_user_report_viewed.php
+++ b/lib/classes/event/course_user_report_viewed.php
@@ -82,16 +82,6 @@ class course_user_report_viewed extends base {
                 'mode' => $this->other['mode']));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'course', 'user report', 'user.php?id=' . $this->courseid . '&user='
-                . $this->relateduserid . '&mode=' . $this->other['mode'], $this->relateduserid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/course_viewed.php b/lib/classes/event/course_viewed.php
index 4f4d9b38f7c..c290647c3aa 100644
--- a/lib/classes/event/course_viewed.php
+++ b/lib/classes/event/course_viewed.php
@@ -104,30 +104,6 @@ class course_viewed extends base {
         }
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        if ($this->courseid == SITEID and !isloggedin()) {
-            // We did not log frontpage access in older Moodle versions.
-            return null;
-        }
-
-        // We keep compatibility with 2.7 and 2.8 other['coursesectionid'].
-        if (isset($this->other['coursesectionnumber']) || isset($this->other['coursesectionid'])) {
-            if (isset($this->other['coursesectionnumber'])) {
-                $sectionnumber = $this->other['coursesectionnumber'];
-            } else {
-                $sectionnumber = $this->other['coursesectionid'];
-            }
-            return array($this->courseid, 'course', 'view section', 'view.php?id=' . $this->courseid . '&section='
-                    . $sectionnumber, $sectionnumber);
-        }
-        return array($this->courseid, 'course', 'view', 'view.php?id=' . $this->courseid, $this->courseid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/email_failed.php b/lib/classes/event/email_failed.php
index e6fcbc9cfc8..e48c60d8811 100644
--- a/lib/classes/event/email_failed.php
+++ b/lib/classes/event/email_failed.php
@@ -72,15 +72,6 @@ class email_failed extends base {
             due to the following error: \"{$this->other['errorinfo']}\".";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'library', 'mailer', qualified_me(), 'ERROR: ' . $this->other['errorinfo']);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/group_created.php b/lib/classes/event/group_created.php
index 71421da72c8..03cc8f94866 100644
--- a/lib/classes/event/group_created.php
+++ b/lib/classes/event/group_created.php
@@ -44,24 +44,6 @@ class group_created extends base {
         return "The user with id '$this->userid' created the group with id '$this->objectid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('groups', $this->objectid);
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'groups_group_created';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/group_deleted.php b/lib/classes/event/group_deleted.php
index b574cb43abf..192313a824a 100644
--- a/lib/classes/event/group_deleted.php
+++ b/lib/classes/event/group_deleted.php
@@ -44,24 +44,6 @@ class group_deleted extends base {
         return "The user with id '$this->userid' deleted the group with id '$this->objectid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('groups', $this->objectid);
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'groups_group_deleted';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/group_member_added.php b/lib/classes/event/group_member_added.php
index 51fdacdc288..9d10843275b 100644
--- a/lib/classes/event/group_member_added.php
+++ b/lib/classes/event/group_member_added.php
@@ -52,29 +52,6 @@ class group_member_added extends base {
             "id '$this->objectid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $eventdata = new \stdClass();
-        $eventdata->groupid = $this->objectid;
-        $eventdata->userid  = $this->relateduserid;
-        $eventdata->component = $this->other['component'];
-        $eventdata->itemid = $this->other['itemid'];
-        return $eventdata;
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'groups_member_added';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/group_member_removed.php b/lib/classes/event/group_member_removed.php
index 122059b051b..a8f0b138c02 100644
--- a/lib/classes/event/group_member_removed.php
+++ b/lib/classes/event/group_member_removed.php
@@ -45,27 +45,6 @@ class group_member_removed extends base {
             "id '$this->objectid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $eventdata = new \stdClass();
-        $eventdata->groupid = $this->objectid;
-        $eventdata->userid  = $this->relateduserid;
-        return $eventdata;
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'groups_member_removed';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/group_updated.php b/lib/classes/event/group_updated.php
index e56a5d99dd9..b4da9aadaed 100644
--- a/lib/classes/event/group_updated.php
+++ b/lib/classes/event/group_updated.php
@@ -44,24 +44,6 @@ class group_updated extends base {
         return "The user with id '$this->userid' updated the group with id '$this->objectid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('groups', $this->objectid);
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'groups_group_updated';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/grouping_created.php b/lib/classes/event/grouping_created.php
index eb58c0d9029..4cca082aa14 100644
--- a/lib/classes/event/grouping_created.php
+++ b/lib/classes/event/grouping_created.php
@@ -44,24 +44,6 @@ class grouping_created extends base {
         return "The user with id '$this->userid' created the grouping with id '$this->objectid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('groupings', $this->objectid);
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'groups_grouping_created';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/grouping_deleted.php b/lib/classes/event/grouping_deleted.php
index ac1188ed60b..3d42984e488 100644
--- a/lib/classes/event/grouping_deleted.php
+++ b/lib/classes/event/grouping_deleted.php
@@ -51,24 +51,6 @@ class grouping_deleted extends base {
         return "The user with id '$this->userid' deleted the grouping with id '$this->objectid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('groupings', $this->objectid);
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'groups_grouping_deleted';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/grouping_updated.php b/lib/classes/event/grouping_updated.php
index 1892198d7ae..5a8dc43b9cf 100644
--- a/lib/classes/event/grouping_updated.php
+++ b/lib/classes/event/grouping_updated.php
@@ -44,24 +44,6 @@ class grouping_updated extends base {
         return "The user with id '$this->userid' updated the grouping with id '$this->objectid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('groupings', $this->objectid);
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'groups_grouping_updated';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/message_contact_added.php b/lib/classes/event/message_contact_added.php
index e2b48ea0f6f..b4785691d60 100644
--- a/lib/classes/event/message_contact_added.php
+++ b/lib/classes/event/message_contact_added.php
@@ -72,16 +72,6 @@ class message_contact_added extends base {
         return "The user with id '$this->userid' added the user with id '$this->relateduserid' to their contact list.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'message', 'add contact', 'index.php?user1=' . $this->relateduserid .
-            '&user2=' . $this->userid, $this->relateduserid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/message_contact_removed.php b/lib/classes/event/message_contact_removed.php
index 60000d1b7d7..872f4858d40 100644
--- a/lib/classes/event/message_contact_removed.php
+++ b/lib/classes/event/message_contact_removed.php
@@ -72,16 +72,6 @@ class message_contact_removed extends base {
         return "The user with id '$this->userid' removed the user with id '$this->relateduserid' from their contact list.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'message', 'remove contact', 'index.php?user1=' . $this->relateduserid . '&user2=' .
-            $this->userid, $this->relateduserid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/message_sent.php b/lib/classes/event/message_sent.php
index 0bfe22c0dc6..cd712303849 100644
--- a/lib/classes/event/message_sent.php
+++ b/lib/classes/event/message_sent.php
@@ -111,23 +111,6 @@ class message_sent extends base {
         return "A message was sent by the system to the user with id '$this->relateduserid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        // The add_to_log function was only ever called when we sent a message from one user to another. We do not want
-        // to return the legacy log data if we are sending a system message, so check that the userid is valid.
-        if (\core_user::is_real_user($this->userid)) {
-            $messageid = $this->other['messageid'] ?? $this->objectid; // For BC we may have 'messageid' in other.
-            return array(SITEID, 'message', 'write', 'index.php?user=' . $this->userid . '&id=' . $this->relateduserid .
-                '&history=1#m' . $messageid, $this->userid);
-        }
-
-        return null;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/mnet_access_control_created.php b/lib/classes/event/mnet_access_control_created.php
index 69e47cc8367..8128b252384 100644
--- a/lib/classes/event/mnet_access_control_created.php
+++ b/lib/classes/event/mnet_access_control_created.php
@@ -82,16 +82,6 @@ class mnet_access_control_created extends base {
             "belonging to mnet host '{$this->other['hostname']}'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'admin/mnet', 'add', 'admin/mnet/access_control.php', 'SSO ACL: ' . $this->other['accessctrl'] .
-            ' user \'' . $this->other['username'] . '\' from ' . $this->other['hostname']);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/mnet_access_control_updated.php b/lib/classes/event/mnet_access_control_updated.php
index 9ac0048bd29..1a63ecfd3d2 100644
--- a/lib/classes/event/mnet_access_control_updated.php
+++ b/lib/classes/event/mnet_access_control_updated.php
@@ -82,16 +82,6 @@ class mnet_access_control_updated extends base {
             "belonging to mnet host '{$this->other['hostname']}'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'admin/mnet', 'update', 'admin/mnet/access_control.php', 'SSO ACL: ' . $this->other['accessctrl'] .
-            ' user \'' . $this->other['username'] . '\' from ' . $this->other['hostname']);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/note_created.php b/lib/classes/event/note_created.php
index dd75b755ee2..6e8d6d094bf 100644
--- a/lib/classes/event/note_created.php
+++ b/lib/classes/event/note_created.php
@@ -82,17 +82,6 @@ class note_created extends base {
         return $logurl;
     }
 
-    /**
-     * replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        $logurl = new \moodle_url('index.php', array('course' => $this->courseid, 'user' => $this->relateduserid));
-        $logurl->set_anchor('note-' . $this->objectid);
-        return array($this->courseid, 'notes', 'add', $logurl, 'add note');
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/note_deleted.php b/lib/classes/event/note_deleted.php
index 772414a0635..451268fbcf4 100644
--- a/lib/classes/event/note_deleted.php
+++ b/lib/classes/event/note_deleted.php
@@ -72,17 +72,6 @@ class note_deleted extends base {
             "'$this->relateduserid'";
     }
 
-    /**
-     * replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        $logurl = new \moodle_url('index.php', array('course' => $this->courseid, 'user' => $this->relateduserid));
-        $logurl->set_anchor('note-' . $this->objectid);
-        return array($this->courseid, 'notes', 'delete', $logurl, 'delete note');
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/note_updated.php b/lib/classes/event/note_updated.php
index aa28dea53a7..1e13016e6b9 100644
--- a/lib/classes/event/note_updated.php
+++ b/lib/classes/event/note_updated.php
@@ -82,17 +82,6 @@ class note_updated extends base {
         return $logurl;
     }
 
-    /**
-     * Replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        $logurl = new \moodle_url('index.php', array('course' => $this->courseid, 'user' => $this->relateduserid));
-        $logurl->set_anchor('note-' . $this->objectid);
-        return array($this->courseid, 'notes', 'update', $logurl, 'update note');
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/notes_viewed.php b/lib/classes/event/notes_viewed.php
index ccbbc5d2148..d8e91f3e79c 100644
--- a/lib/classes/event/notes_viewed.php
+++ b/lib/classes/event/notes_viewed.php
@@ -76,14 +76,4 @@ class notes_viewed extends base {
     public function get_url() {
         return new \moodle_url('/notes/index.php', array('course' => $this->courseid, 'user' => $this->relateduserid));
     }
-
-    /**
-     * replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'notes', 'view', 'index.php?course=' . $this->courseid.'&user=' . $this->relateduserid,
-            'view notes');
-    }
 }
diff --git a/lib/classes/event/question_category_created.php b/lib/classes/event/question_category_created.php
index 2b6baf14e05..31605371a43 100644
--- a/lib/classes/event/question_category_created.php
+++ b/lib/classes/event/question_category_created.php
@@ -61,19 +61,4 @@ class question_category_created extends question_category_base {
     public function get_description() {
         return "The user with id '$this->userid' created the question category with id '$this->objectid'.";
     }
-
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        if ($this->contextlevel == CONTEXT_MODULE) {
-            return array($this->courseid, 'quiz', 'addcategory', 'view.php?id=' . $this->contextinstanceid,
-                $this->objectid, $this->contextinstanceid);
-        }
-        // This is not related to individual quiz at all.
-        return null;
-    }
-
 }
diff --git a/lib/classes/event/recent_activity_viewed.php b/lib/classes/event/recent_activity_viewed.php
index 2c8568708d8..e2d6ef95780 100644
--- a/lib/classes/event/recent_activity_viewed.php
+++ b/lib/classes/event/recent_activity_viewed.php
@@ -64,15 +64,6 @@ class recent_activity_viewed extends base {
         return "The user with id '$this->userid' viewed the recent activity report in the course with id '$this->courseid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, "course", "recent", "recent.php?id=$this->courseid", $this->courseid);
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/lib/classes/event/role_allow_assign_updated.php b/lib/classes/event/role_allow_assign_updated.php
index 850f89414b0..92b44679b70 100644
--- a/lib/classes/event/role_allow_assign_updated.php
+++ b/lib/classes/event/role_allow_assign_updated.php
@@ -73,13 +73,4 @@ class role_allow_assign_updated extends base {
     public function get_url() {
         return new \moodle_url('/admin/roles/allow.php', array('mode' => 'assign'));
     }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'role', 'edit allow assign', 'admin/roles/allow.php?mode=assign');
-    }
 }
diff --git a/lib/classes/event/role_allow_override_updated.php b/lib/classes/event/role_allow_override_updated.php
index a405116fade..b06efa5547e 100644
--- a/lib/classes/event/role_allow_override_updated.php
+++ b/lib/classes/event/role_allow_override_updated.php
@@ -73,13 +73,4 @@ class role_allow_override_updated extends base {
     public function get_url() {
         return new \moodle_url('/admin/roles/allow.php', array('mode' => 'override'));
     }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'role', 'edit allow override', 'admin/roles/allow.php?mode=override');
-    }
 }
diff --git a/lib/classes/event/role_allow_switch_updated.php b/lib/classes/event/role_allow_switch_updated.php
index 70b8c36374e..1b75e4c1c80 100644
--- a/lib/classes/event/role_allow_switch_updated.php
+++ b/lib/classes/event/role_allow_switch_updated.php
@@ -73,13 +73,4 @@ class role_allow_switch_updated extends base {
     public function get_url() {
         return new \moodle_url('/admin/roles/allow.php', array('mode' => 'switch'));
     }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'role', 'edit allow switch', 'admin/roles/allow.php?mode=switch');
-    }
 }
diff --git a/lib/classes/event/role_allow_view_updated.php b/lib/classes/event/role_allow_view_updated.php
index 7603988570e..27586d41b17 100644
--- a/lib/classes/event/role_allow_view_updated.php
+++ b/lib/classes/event/role_allow_view_updated.php
@@ -73,13 +73,4 @@ class role_allow_view_updated extends base {
     public function get_url() {
         return new \moodle_url('/admin/roles/allow.php', array('mode' => 'view'));
     }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'role', 'edit allow view', 'admin/roles/allow.php?mode=view');
-    }
 }
diff --git a/lib/classes/event/role_assigned.php b/lib/classes/event/role_assigned.php
index 3eb3cf6b7bf..80c5fe7b607 100644
--- a/lib/classes/event/role_assigned.php
+++ b/lib/classes/event/role_assigned.php
@@ -80,37 +80,6 @@ class role_assigned extends base {
         return new \moodle_url('/admin/roles/assign.php', array('contextid' => $this->contextid, 'roleid' => $this->objectid));
     }
 
-    /**
-     * Does this event replace legacy event?
-     *
-     * @return null|string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'role_assigned';
-    }
-
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return mixed
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('role_assignments', $this->other['id']);
-    }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $roles = get_all_roles();
-        $neededrole = array($this->objectid => $roles[$this->objectid]);
-        $rolenames = role_fix_names($neededrole, $this->get_context(), ROLENAME_ORIGINAL, true);
-        return array($this->courseid, 'role', 'assign', 'admin/roles/assign.php?contextid='.$this->contextid.'&roleid='.$this->objectid,
-                $rolenames[$this->objectid], '', $this->userid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/role_capabilities_updated.php b/lib/classes/event/role_capabilities_updated.php
index 28f14d87d27..b1a1e6dad77 100644
--- a/lib/classes/event/role_capabilities_updated.php
+++ b/lib/classes/event/role_capabilities_updated.php
@@ -83,25 +83,6 @@ class role_capabilities_updated extends base {
         }
     }
 
-    /**
-     * Sets legacy log data.
-     *
-     * @param array $legacylogdata
-     * @return void
-     */
-    public function set_legacy_logdata($legacylogdata) {
-        $this->legacylogdata = $legacylogdata;
-    }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return null|array
-     */
-    protected function get_legacy_logdata() {
-        return $this->legacylogdata;
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'role', 'restore' => 'role');
     }
diff --git a/lib/classes/event/role_deleted.php b/lib/classes/event/role_deleted.php
index b2586fb1fdd..e8e5955bebe 100644
--- a/lib/classes/event/role_deleted.php
+++ b/lib/classes/event/role_deleted.php
@@ -79,16 +79,6 @@ class role_deleted extends base {
         return new \moodle_url('/admin/roles/manage.php');
     }
 
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'role', 'delete', 'admin/roles/manage.php?action=delete&roleid=' . $this->objectid,
-            $this->other['shortname'], '');
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/role_unassigned.php b/lib/classes/event/role_unassigned.php
index 2eb34e2548f..5e65b3dc214 100644
--- a/lib/classes/event/role_unassigned.php
+++ b/lib/classes/event/role_unassigned.php
@@ -77,36 +77,6 @@ class role_unassigned extends base {
         return new \moodle_url('/admin/roles/assign.php', array('contextid' => $this->contextid, 'roleid' => $this->objectid));
     }
 
-    /**
-     * Does this event replace legacy event?
-     *
-     * @return null|string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'role_unassigned';
-    }
-
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return mixed
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('role_assignments', $this->other['id']);
-    }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $roles = get_all_roles();
-        $rolenames = role_fix_names($roles, $this->get_context(), ROLENAME_ORIGINAL, true);
-        return array($this->courseid, 'role', 'unassign', 'admin/roles/assign.php?contextid='.$this->contextid.'&roleid='.$this->objectid,
-                $rolenames[$this->objectid], '', $this->userid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/role_updated.php b/lib/classes/event/role_updated.php
index dd6e948d51e..f8863fece1b 100644
--- a/lib/classes/event/role_updated.php
+++ b/lib/classes/event/role_updated.php
@@ -71,16 +71,6 @@ class role_updated extends base {
         return new \moodle_url('/admin/roles/define.php', ['action' => 'edit', 'roleid' => $this->objectid]);
     }
 
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [SITEID, 'role', 'update', 'admin/roles/manage.php?action=edit&roleid=' . $this->objectid,
-            $this->other['shortname'], ''];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/tag_added.php b/lib/classes/event/tag_added.php
index fecf439bbd0..6189d43180f 100644
--- a/lib/classes/event/tag_added.php
+++ b/lib/classes/event/tag_added.php
@@ -102,20 +102,6 @@ class tag_added extends base {
         return $event;
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        if ($this->other['itemtype'] === 'course') {
-            $url = 'tag/search.php?query=' . urlencode($this->other['tagrawname']);
-            return array($this->courseid, 'coursetags', 'add', $url, 'Course tagged');
-        }
-
-        return null;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/tag_flagged.php b/lib/classes/event/tag_flagged.php
index 2f7c26b3bef..cae2cfb6ac1 100644
--- a/lib/classes/event/tag_flagged.php
+++ b/lib/classes/event/tag_flagged.php
@@ -70,15 +70,6 @@ class tag_flagged extends base {
         return "The user with id '$this->userid' flagged the tag with id '$this->objectid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'tag', 'flag', 'index.php?id='. $this->objectid, $this->objectid, '', $this->userid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/tag_updated.php b/lib/classes/event/tag_updated.php
index fe6b4f75399..069218c067a 100644
--- a/lib/classes/event/tag_updated.php
+++ b/lib/classes/event/tag_updated.php
@@ -73,28 +73,6 @@ class tag_updated extends base {
         return "The user with id '$this->userid' updated the tag with id '$this->objectid'.";
     }
 
-    /**
-     * Set the legacy data used for add_to_log().
-     *
-     * @param array $logdata
-     */
-    public function set_legacy_logdata($logdata) {
-        $this->legacylogdata = $logdata;
-    }
-
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        if (isset($this->legacylogdata)) {
-            return $this->legacylogdata;
-        }
-
-        return array($this->courseid, 'tag', 'update', 'index.php?id='. $this->objectid, $this->other['name']);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/user_created.php b/lib/classes/event/user_created.php
index 9f93dae7c2e..3dbb1f5bc70 100644
--- a/lib/classes/event/user_created.php
+++ b/lib/classes/event/user_created.php
@@ -77,33 +77,6 @@ class user_created extends base {
         return new \moodle_url('/user/view.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Return name of the legacy event, which is replaced by this event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'user_created';
-    }
-
-    /**
-     * Return user_created legacy event data.
-     *
-     * @return \stdClass user data.
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('user', $this->objectid);
-    }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'user', 'add', '/view.php?id='.$this->objectid, fullname($this->get_legacy_eventdata()));
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/user_deleted.php b/lib/classes/event/user_deleted.php
index fc3fb85f772..1394bb03d36 100644
--- a/lib/classes/event/user_deleted.php
+++ b/lib/classes/event/user_deleted.php
@@ -72,41 +72,6 @@ class user_deleted extends base {
         return "The user with id '$this->userid' deleted the user with id '$this->objectid'.";
     }
 
-    /**
-     * Return name of the legacy event, which is replaced by this event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'user_deleted';
-    }
-
-    /**
-     * Return user_deleted legacy event data.
-     *
-     * @return \stdClass user data.
-     */
-    protected function get_legacy_eventdata() {
-        $user = $this->get_record_snapshot('user', $this->objectid);
-        $user->deleted = 0;
-        $user->username = $this->other['username'];
-        $user->email = $this->other['email'];
-        $user->idnumber = $this->other['idnumber'];
-        $user->picture = $this->other['picture'];
-
-        return $user;
-    }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $user = $this->get_record_snapshot('user', $this->objectid);
-        return array(SITEID, 'user', 'delete', 'view.php?id=' . $user->id, $user->firstname . ' ' . $user->lastname);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/user_enrolment_created.php b/lib/classes/event/user_enrolment_created.php
index 2b7670676d4..e686bcfea7a 100644
--- a/lib/classes/event/user_enrolment_created.php
+++ b/lib/classes/event/user_enrolment_created.php
@@ -78,36 +78,6 @@ class user_enrolment_created extends base {
         return new \moodle_url('/user/index.php', array('id' => $this->courseid));
     }
 
-    /**
-     * Return name of the legacy event, which is replaced by this event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'user_enrolled';
-    }
-
-    /**
-     * Return user_enrolled legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $legacyeventdata = $this->get_record_snapshot('user_enrolments', $this->objectid);
-        $legacyeventdata->enrol = $this->other['enrol'];
-        $legacyeventdata->courseid = $this->courseid;
-        return $legacyeventdata;
-    }
-
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'course', 'enrol', '../enrol/users.php?id=' . $this->courseid, $this->courseid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/user_enrolment_deleted.php b/lib/classes/event/user_enrolment_deleted.php
index b343fbce061..a6ce3c9115f 100644
--- a/lib/classes/event/user_enrolment_deleted.php
+++ b/lib/classes/event/user_enrolment_deleted.php
@@ -79,33 +79,6 @@ class user_enrolment_deleted extends base {
         return new \moodle_url('/user/index.php', array('id' => $this->courseid));
     }
 
-    /**
-     * Return name of the legacy event, which is replaced by this event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'user_unenrolled';
-    }
-
-    /**
-     * Return user_unenrolled legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        return (object)$this->other['userenrolment'];
-    }
-
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'course', 'unenrol', '../enrol/users.php?id=' . $this->courseid, $this->courseid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/user_enrolment_updated.php b/lib/classes/event/user_enrolment_updated.php
index d7abe4c31fd..b7945a67a9a 100644
--- a/lib/classes/event/user_enrolment_updated.php
+++ b/lib/classes/event/user_enrolment_updated.php
@@ -78,27 +78,6 @@ class user_enrolment_updated extends base {
         return new \moodle_url('/enrol/editenrolment.php', array('ue' => $this->objectid));
     }
 
-    /**
-     * Return name of the legacy event, which is replaced by this event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'user_enrol_modified';
-    }
-
-    /**
-     * Return user_enrol_modified legacy event data.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $legacyeventdata = $this->get_record_snapshot('user_enrolments', $this->objectid);
-        $legacyeventdata->enrol = $this->other['enrol'];
-        $legacyeventdata->courseid = $this->courseid;
-        return $legacyeventdata;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/user_graded.php b/lib/classes/event/user_graded.php
index a9371ac9664..728e849fde5 100644
--- a/lib/classes/event/user_graded.php
+++ b/lib/classes/event/user_graded.php
@@ -131,20 +131,6 @@ class user_graded extends base {
         ));
     }
 
-    /**
-     * Return legacy log info.
-     *
-     * @return null|array of parameters to be passed to legacy add_to_log() function.
-     */
-    public function get_legacy_logdata() {
-        $user = $this->get_record_snapshot('user', $this->relateduserid);
-        $fullname = fullname($user);
-        $info = $this->grade->grade_item->itemname . ': ' . $fullname;
-        $url = '/report/grader/index.php?id=' . $this->courseid;
-
-        return array($this->courseid, 'grade', 'update', $url, $info);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/user_list_viewed.php b/lib/classes/event/user_list_viewed.php
index ff1fec00dcb..37033e3684a 100644
--- a/lib/classes/event/user_list_viewed.php
+++ b/lib/classes/event/user_list_viewed.php
@@ -80,15 +80,6 @@ class user_list_viewed extends base {
         return new \moodle_url('/user/index.php', array('id' => $this->courseid));
     }
 
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'user', 'view all', 'index.php?id=' . $this->courseid, '');
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'course', 'restore' => 'course');
     }
diff --git a/lib/classes/event/user_loggedin.php b/lib/classes/event/user_loggedin.php
index e199d003116..491d597a65f 100644
--- a/lib/classes/event/user_loggedin.php
+++ b/lib/classes/event/user_loggedin.php
@@ -51,16 +51,6 @@ class user_loggedin extends base {
         return "The user with id '$this->userid' has logged in.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'user', 'login', 'view.php?id=' . $this->data['objectid'] . '&course=' . SITEID,
-            $this->data['objectid'], 0, $this->data['objectid']);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/user_loggedinas.php b/lib/classes/event/user_loggedinas.php
index 64c1f61e50c..6a599386d28 100644
--- a/lib/classes/event/user_loggedinas.php
+++ b/lib/classes/event/user_loggedinas.php
@@ -72,16 +72,6 @@ class user_loggedinas extends base {
         return "The user with id '$this->userid' has logged in as the user with id '$this->relateduserid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'course', 'loginas', '../user/view.php?id=' . $this->courseid . '&user=' . $this->userid,
-            $this->other['originalusername'] . ' -> ' . $this->other['loggedinasusername']);
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/lib/classes/event/user_loggedout.php b/lib/classes/event/user_loggedout.php
index e3831a53687..778d9a669f1 100644
--- a/lib/classes/event/user_loggedout.php
+++ b/lib/classes/event/user_loggedout.php
@@ -78,34 +78,6 @@ class user_loggedout extends base {
         return new \moodle_url('/user/view.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Return name of the legacy event, which is replaced by this event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'user_logout';
-    }
-
-    /**
-     * Return user_logout legacy event data.
-     *
-     * @return \stdClass user data.
-     */
-    protected function get_legacy_eventdata() {
-        return $this->get_record_snapshot('user', $this->objectid);
-    }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'user', 'logout', 'view.php?id='.$this->objectid.'&course='.SITEID, $this->objectid, 0,
-            $this->objectid);
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'user', 'restore' => 'user');
     }
diff --git a/lib/classes/event/user_login_failed.php b/lib/classes/event/user_login_failed.php
index 98e7aa36064..e0687381caf 100644
--- a/lib/classes/event/user_login_failed.php
+++ b/lib/classes/event/user_login_failed.php
@@ -102,15 +102,6 @@ class user_login_failed extends base {
         }
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'login', 'error', 'index.php', $this->other['username']);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/user_password_updated.php b/lib/classes/event/user_password_updated.php
index 72aa3232b21..5aeb380a0c5 100644
--- a/lib/classes/event/user_password_updated.php
+++ b/lib/classes/event/user_password_updated.php
@@ -101,19 +101,6 @@ class user_password_updated extends base {
         return new \moodle_url('/user/profile.php', array('id' => $this->relateduserid));
     }
 
-    /**
-     * Returns array of parameters to be passed to legacy logging.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        if (!$this->other['forgottenreset']) {
-            // We did not log password changes in earlier versions.
-            return null;
-        }
-        return array(SITEID, 'user', 'set password', 'profile.php?id='.$this->userid, $this->relateduserid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/user_profile_viewed.php b/lib/classes/event/user_profile_viewed.php
index bd6bb690cea..f8c3b13b2b6 100644
--- a/lib/classes/event/user_profile_viewed.php
+++ b/lib/classes/event/user_profile_viewed.php
@@ -85,19 +85,6 @@ class user_profile_viewed extends base {
         return new \moodle_url('/user/profile.php', array('id' => $this->relateduserid));
     }
 
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        if ($this->contextlevel == CONTEXT_COURSE) {
-            return array($this->courseid, 'user', 'view', 'view.php?id=' . $this->relateduserid . '&course=' .
-                $this->courseid, $this->relateduserid);
-        }
-        return null;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/user_updated.php b/lib/classes/event/user_updated.php
index 52827de4037..024d6870a5f 100644
--- a/lib/classes/event/user_updated.php
+++ b/lib/classes/event/user_updated.php
@@ -72,33 +72,6 @@ class user_updated extends base {
         return new \moodle_url('/user/view.php', array('id' => $this->objectid));
     }
 
-    /**
-     * Return name of the legacy event, which is replaced by this event.
-     *
-     * @return string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'user_updated';
-    }
-
-    /**
-     * Return user_updated legacy event data.
-     *
-     * @return \stdClass user data.
-     */
-    protected function get_legacy_eventdata () {
-        return $this->get_record_snapshot('user', $this->objectid);
-    }
-
-    /**
-     * Returns array of parameters to be passed to legacy add_to_log() function.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'user', 'update', 'view.php?id='.$this->objectid, '');
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/webservice_function_called.php b/lib/classes/event/webservice_function_called.php
index 95618487cfd..040c9019391 100644
--- a/lib/classes/event/webservice_function_called.php
+++ b/lib/classes/event/webservice_function_called.php
@@ -55,15 +55,6 @@ class webservice_function_called extends base {
         return "The web service function '{$this->other['function']}' has been called.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return $this->legacylogdata;
-    }
-
     /**
      * Return localised event name.
      *
@@ -84,15 +75,6 @@ class webservice_function_called extends base {
         $this->context = \context_system::instance();
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @param array $legacydata the legacy data to set
-     */
-    public function set_legacy_logdata($legacydata) {
-        $this->legacylogdata = $legacydata;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/webservice_login_failed.php b/lib/classes/event/webservice_login_failed.php
index d372de894b5..3489353980b 100644
--- a/lib/classes/event/webservice_login_failed.php
+++ b/lib/classes/event/webservice_login_failed.php
@@ -59,15 +59,6 @@ class webservice_login_failed extends base {
         return "Web service authentication failed with code: \"{$this->other['reason']}\".";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return $this->legacylogdata;
-    }
-
     /**
      * Return localised event name.
      *
@@ -88,16 +79,6 @@ class webservice_login_failed extends base {
         $this->context = \context_system::instance();
     }
 
-    /**
-     * Set the legacy event log data.
-     *
-     * @param array $logdata The log data.
-     * @return void
-     */
-    public function set_legacy_logdata($logdata) {
-        $this->legacylogdata = $logdata;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/lib/classes/event/webservice_service_created.php b/lib/classes/event/webservice_service_created.php
index c8943e262be..c4eee0dea6d 100644
--- a/lib/classes/event/webservice_service_created.php
+++ b/lib/classes/event/webservice_service_created.php
@@ -50,18 +50,6 @@ class webservice_service_created extends base {
         return "The user with id '$this->userid' created the web service with id '$this->objectid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        global $CFG;
-        $service = $this->get_record_snapshot('external_services', $this->objectid);
-        return array(SITEID, 'webservice', 'add', $CFG->wwwroot . "/" . $CFG->admin . "/settings.php?section=externalservices",
-            get_string('addservice', 'webservice', $service));
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/webservice_service_deleted.php b/lib/classes/event/webservice_service_deleted.php
index c61c1be45e0..0d3a5388840 100644
--- a/lib/classes/event/webservice_service_deleted.php
+++ b/lib/classes/event/webservice_service_deleted.php
@@ -44,18 +44,6 @@ class webservice_service_deleted extends base {
         return "The user with id '$this->userid' deleted the web service with id '$this->objectid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        global $CFG;
-        $service = $this->get_record_snapshot('external_services', $this->objectid);
-        return array(SITEID, 'webservice', 'delete', $CFG->wwwroot . "/" . $CFG->admin . "/settings.php?section=externalservices",
-            get_string('deleteservice', 'webservice', $service));
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/webservice_service_updated.php b/lib/classes/event/webservice_service_updated.php
index a0124f57d53..422ab1cde05 100644
--- a/lib/classes/event/webservice_service_updated.php
+++ b/lib/classes/event/webservice_service_updated.php
@@ -44,18 +44,6 @@ class webservice_service_updated extends base {
         return "The user with id '$this->userid' updated the web service with id '$this->objectid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        global $CFG;
-        $service = $this->get_record_snapshot('external_services', $this->objectid);
-        return array(SITEID, 'webservice', 'edit', $CFG->wwwroot . "/" . $CFG->admin . "/settings.php?section=externalservices",
-            get_string('editservice', 'webservice', $service));
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/webservice_service_user_added.php b/lib/classes/event/webservice_service_user_added.php
index ca646446494..01c599b42c4 100644
--- a/lib/classes/event/webservice_service_user_added.php
+++ b/lib/classes/event/webservice_service_user_added.php
@@ -45,17 +45,6 @@ class webservice_service_user_added extends base {
             "with id '$this->objectid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        global $CFG;
-        return array(SITEID, 'core', 'assign', $CFG->admin . '/webservice/service_users.php?id=' . $this->objectid, 'add', '',
-            $this->relateduserid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/webservice_service_user_removed.php b/lib/classes/event/webservice_service_user_removed.php
index a812041aa0d..62e4d716788 100644
--- a/lib/classes/event/webservice_service_user_removed.php
+++ b/lib/classes/event/webservice_service_user_removed.php
@@ -45,17 +45,6 @@ class webservice_service_user_removed extends base {
             "with id '$this->objectid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        global $CFG;
-        return array(SITEID, 'core', 'assign', $CFG->admin . '/webservice/service_users.php?id=' . $this->objectid, 'remove', '',
-            $this->relateduserid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/webservice_token_created.php b/lib/classes/event/webservice_token_created.php
index 8b8a9470b15..b70a483abd6 100644
--- a/lib/classes/event/webservice_token_created.php
+++ b/lib/classes/event/webservice_token_created.php
@@ -50,18 +50,6 @@ class webservice_token_created extends base {
         return "The user with id '$this->userid' created a web service token for the user with id '$this->relateduserid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        if (!empty($this->other['auto'])) {
-            // The token has been automatically created.
-            return array(SITEID, 'webservice', 'automatically create user token', '' , 'User ID: ' . $this->relateduserid);
-        }
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/classes/event/webservice_token_sent.php b/lib/classes/event/webservice_token_sent.php
index 4f89d46d714..e93d1da22a3 100644
--- a/lib/classes/event/webservice_token_sent.php
+++ b/lib/classes/event/webservice_token_sent.php
@@ -44,15 +44,6 @@ class webservice_token_sent extends base {
         return "The user with id '$this->userid' has been sent the web service token with id '$this->objectid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array(SITEID, 'webservice', 'sending requested user token', '' , 'User ID: ' . $this->userid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/lib/phpunit/classes/advanced_testcase.php b/lib/phpunit/classes/advanced_testcase.php
index 15de8395ab9..991e63796ac 100644
--- a/lib/phpunit/classes/advanced_testcase.php
+++ b/lib/phpunit/classes/advanced_testcase.php
@@ -450,9 +450,6 @@ abstract class advanced_testcase extends base_testcase {
         // Test event methods should not use event->context.
         $event->get_url();
         $event->get_description();
-        $event->get_legacy_eventname();
-        phpunit_event_mock::testable_get_legacy_eventdata($event);
-        phpunit_event_mock::testable_get_legacy_logdata($event);
 
         // Restore event->context.
         phpunit_event_mock::testable_set_event_context($event, $eventcontext);
diff --git a/lib/phpunit/classes/event_mock.php b/lib/phpunit/classes/event_mock.php
index 578f3000096..1d0c94703c1 100644
--- a/lib/phpunit/classes/event_mock.php
+++ b/lib/phpunit/classes/event_mock.php
@@ -35,26 +35,6 @@ require_once(__DIR__ . '/../../classes/event/base.php');
  */
 abstract class phpunit_event_mock extends \core\event\base {
 
-    /**
-     * Returns the log data of the event.
-     *
-     * @param \core\event\base $event event to get legacy eventdata from.
-     * @return array
-     */
-    public static function testable_get_legacy_eventdata($event) {
-        return $event->get_legacy_eventdata();
-    }
-
-    /**
-     * Returns the log data of the event.
-     *
-     * @param \core\event\base $event event to get legacy logdata from.
-     * @return array
-     */
-    public static function testable_get_legacy_logdata($event) {
-        return $event->get_legacy_logdata();
-    }
-
     /**
      * Returns event context.
      *
diff --git a/lib/tests/accesslib_test.php b/lib/tests/accesslib_test.php
index 8e72c3b542d..1b87735661c 100644
--- a/lib/tests/accesslib_test.php
+++ b/lib/tests/accesslib_test.php
@@ -581,12 +581,6 @@ class accesslib_test extends advanced_testcase {
         $this->assertSame('', $event->other['component']);
         $this->assertEquals(0, $event->other['itemid']);
         $this->assertInstanceOf('moodle_url', $event->get_url());
-        $this->assertSame('role_assigned', $event::get_legacy_eventname());
-        $roles = get_all_roles();
-        $rolenames = role_fix_names($roles, $context, ROLENAME_ORIGINAL, true);
-        $expectedlegacylog = array($course->id, 'role', 'assign',
-            'admin/roles/assign.php?contextid='.$context->id.'&roleid='.$role->id, $rolenames[$role->id], '', $USER->id);
-        $this->assertEventLegacyLogData($expectedlegacylog, $event);
     }
 
     /**
@@ -633,11 +627,6 @@ class accesslib_test extends advanced_testcase {
         $this->assertSame('', $event->other['component']);
         $this->assertEquals(0, $event->other['itemid']);
         $this->assertInstanceOf('moodle_url', $event->get_url());
-        $roles = get_all_roles();
-        $rolenames = role_fix_names($roles, $context, ROLENAME_ORIGINAL, true);
-        $expectedlegacylog = array($course->id, 'role', 'unassign',
-            'admin/roles/assign.php?contextid='.$context->id.'&roleid='.$role->id, $rolenames[$role->id], '', $USER->id);
-        $this->assertEventLegacyLogData($expectedlegacylog, $event);
     }
 
     /**
@@ -785,10 +774,6 @@ class accesslib_test extends advanced_testcase {
         $this->assertSame($role->shortname, $event->other['shortname']);
         $this->assertSame($role->description, $event->other['description']);
         $this->assertSame($role->archetype, $event->other['archetype']);
-
-        $expectedlegacylog = array(SITEID, 'role', 'delete', 'admin/roles/manage.php?action=delete&roleid='.$role->id,
-                                   $role->shortname, '');
-        $this->assertEventLegacyLogData($expectedlegacylog, $event);
     }
 
     /**
@@ -1074,10 +1059,6 @@ class accesslib_test extends advanced_testcase {
         $sink->close();
         $event = array_pop($events);
         $this->assertInstanceOf('\core\event\role_allow_assign_updated', $event);
-        $mode = 'assign';
-        $baseurl = new moodle_url('/admin/roles/allow.php', array('mode' => $mode));
-        $expectedlegacylog = array(SITEID, 'role', 'edit allow ' . $mode, str_replace($CFG->wwwroot . '/', '', $baseurl));
-        $this->assertEventLegacyLogData($expectedlegacylog, $event);
     }
 
     /**
@@ -1109,10 +1090,6 @@ class accesslib_test extends advanced_testcase {
         $sink->close();
         $event = array_pop($events);
         $this->assertInstanceOf('\core\event\role_allow_override_updated', $event);
-        $mode = 'override';
-        $baseurl = new moodle_url('/admin/roles/allow.php', array('mode' => $mode));
-        $expectedlegacylog = array(SITEID, 'role', 'edit allow ' . $mode, str_replace($CFG->wwwroot . '/', '', $baseurl));
-        $this->assertEventLegacyLogData($expectedlegacylog, $event);
     }
 
     /**
@@ -1144,10 +1121,6 @@ class accesslib_test extends advanced_testcase {
         $sink->close();
         $event = array_pop($events);
         $this->assertInstanceOf('\core\event\role_allow_switch_updated', $event);
-        $mode = 'switch';
-        $baseurl = new moodle_url('/admin/roles/allow.php', array('mode' => $mode));
-        $expectedlegacylog = array(SITEID, 'role', 'edit allow ' . $mode, str_replace($CFG->wwwroot . '/', '', $baseurl));
-        $this->assertEventLegacyLogData($expectedlegacylog, $event);
     }
 
     /**
@@ -1179,10 +1152,6 @@ class accesslib_test extends advanced_testcase {
         $sink->close();
         $event = array_pop($events);
         $this->assertInstanceOf('\core\event\role_allow_view_updated', $event);
-        $mode = 'view';
-        $baseurl = new moodle_url('/admin/roles/allow.php', array('mode' => $mode));
-        $expectedlegacylog = array(SITEID, 'role', 'edit allow ' . $mode, str_replace($CFG->wwwroot . '/', '', $baseurl));
-        $this->assertEventLegacyLogData($expectedlegacylog, $event);
     }
 
     /**
diff --git a/lib/tests/authlib_test.php b/lib/tests/authlib_test.php
index a424243298f..d1eb883c9a7 100644
--- a/lib/tests/authlib_test.php
+++ b/lib/tests/authlib_test.php
@@ -189,8 +189,6 @@ class authlib_test extends \advanced_testcase {
         $this->assertEquals(AUTH_LOGIN_FAILED, $reason);
         // Test Event.
         $this->assertInstanceOf('\core\event\user_login_failed', $event);
-        $expectedlogdata = array(SITEID, 'login', 'error', 'index.php', 'username1');
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
         $eventdata = $event->get_data();
         $this->assertSame($eventdata['other']['username'], 'username1');
         $this->assertSame($eventdata['other']['reason'], AUTH_LOGIN_FAILED);
@@ -209,8 +207,6 @@ class authlib_test extends \advanced_testcase {
         $this->assertEquals(AUTH_LOGIN_FAILED, $reason);
         // Test Event.
         $this->assertInstanceOf('\core\event\user_login_failed', $event);
-        $expectedlogdata = array(SITEID, 'login', 'error', 'index.php', 'username1');
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
         $eventdata = $event->get_data();
         $this->assertSame($eventdata['other']['username'], 'username1');
         $this->assertSame($eventdata['other']['reason'], AUTH_LOGIN_FAILED);
@@ -261,8 +257,6 @@ class authlib_test extends \advanced_testcase {
         $this->assertEquals(AUTH_LOGIN_SUSPENDED, $reason);
         // Test Event.
         $this->assertInstanceOf('\core\event\user_login_failed', $event);
-        $expectedlogdata = array(SITEID, 'login', 'error', 'index.php', 'username2');
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
         $eventdata = $event->get_data();
         $this->assertSame($eventdata['other']['username'], 'username2');
         $this->assertSame($eventdata['other']['reason'], AUTH_LOGIN_SUSPENDED);
@@ -280,8 +274,6 @@ class authlib_test extends \advanced_testcase {
         $this->assertEquals(AUTH_LOGIN_SUSPENDED, $reason);
         // Test Event.
         $this->assertInstanceOf('\core\event\user_login_failed', $event);
-        $expectedlogdata = array(SITEID, 'login', 'error', 'index.php', 'username3');
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
         $eventdata = $event->get_data();
         $this->assertSame($eventdata['other']['username'], 'username3');
         $this->assertSame($eventdata['other']['reason'], AUTH_LOGIN_SUSPENDED);
@@ -299,8 +291,6 @@ class authlib_test extends \advanced_testcase {
         $this->assertEquals(AUTH_LOGIN_NOUSER, $reason);
         // Test Event.
         $this->assertInstanceOf('\core\event\user_login_failed', $event);
-        $expectedlogdata = array(SITEID, 'login', 'error', 'index.php', 'username4');
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
         $eventdata = $event->get_data();
         $this->assertSame($eventdata['other']['username'], 'username4');
         $this->assertSame($eventdata['other']['reason'], AUTH_LOGIN_NOUSER);
diff --git a/lib/tests/completionlib_test.php b/lib/tests/completionlib_test.php
index b0d963b6e0a..16db96eabd4 100644
--- a/lib/tests/completionlib_test.php
+++ b/lib/tests/completionlib_test.php
@@ -1489,7 +1489,6 @@ class completionlib_test extends advanced_testcase {
         $this->assertEquals($USER->id, $event->userid);
         $this->assertEquals($this->user->id, $event->relateduserid);
         $this->assertInstanceOf('moodle_url', $event->get_url());
-        $this->assertEventLegacyData($current, $event);
     }
 
     /**
@@ -1519,8 +1518,6 @@ class completionlib_test extends advanced_testcase {
         $this->assertEquals($this->user->id, $event->relateduserid);
         $this->assertEquals(context_course::instance($this->course->id), $event->get_context());
         $this->assertInstanceOf('moodle_url', $event->get_url());
-        $data = $ccompletion->get_record_data();
-        $this->assertEventLegacyData($data, $event);
     }
 
     /**
@@ -1577,8 +1574,6 @@ class completionlib_test extends advanced_testcase {
         $this->assertEquals($this->course->id, $event->courseid);
         $this->assertEquals($coursecontext, $event->get_context());
         $this->assertInstanceOf('moodle_url', $event->get_url());
-        $expectedlegacylog = array($this->course->id, 'course', 'completion updated', 'completion.php?id='.$this->course->id);
-        $this->assertEventLegacyLogData($expectedlegacylog, $event);
     }
 
     /**
diff --git a/lib/tests/event/events_test.php b/lib/tests/event/events_test.php
index c3b69c7c6b9..e385981ac07 100644
--- a/lib/tests/event/events_test.php
+++ b/lib/tests/event/events_test.php
@@ -55,8 +55,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(\context_coursecat::instance($category->id), $event->get_context());
         $url = new \moodle_url('/course/management.php', array('categoryid' => $event->objectid));
         $this->assertEquals($url, $event->get_url());
-        $expected = array(SITEID, 'category', 'add', 'editcategory.php?id=' . $category->id, $category->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -82,8 +80,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(\context_coursecat::instance($category->id), $event->get_context());
         $url = new \moodle_url('/course/editcategory.php', array('id' => $event->objectid));
         $this->assertEquals($url, $event->get_url());
-        $expected = array(SITEID, 'category', 'update', 'editcategory.php?id=' . $category->id, $category->id);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Create another category and a child category.
         $category2 = $this->getDataGenerator()->create_category();
@@ -98,8 +94,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\course_category_updated', $event);
         $this->assertEquals(\context_coursecat::instance($childcat->id), $event->get_context());
-        $expected = array(SITEID, 'category', 'move', 'editcategory.php?id=' . $childcat->id, $childcat->id);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Trigger and capture the event for changing the sortorder of a category.
         $sink = $this->redirectEvents();
@@ -110,8 +104,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\course_category_updated', $event);
         $this->assertEquals(\context_coursecat::instance($category2->id), $event->get_context());
-        $expected = array(SITEID, 'category', 'move', 'management.php?categoryid=' . $category2->id, $category2->id);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Trigger and capture the event for deleting a category and moving it's children to another.
         $sink = $this->redirectEvents();
@@ -122,8 +114,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\course_category_updated', $event);
         $this->assertEquals(\context_coursecat::instance($childcat->id), $event->get_context());
-        $expected = array(SITEID, 'category', 'move', 'editcategory.php?id=' . $childcat->id, $childcat->id);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Trigger and capture the event for hiding a category.
         $sink = $this->redirectEvents();
@@ -134,8 +124,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\course_category_updated', $event);
         $this->assertEquals(\context_coursecat::instance($category2->id), $event->get_context());
-        $expected = array(SITEID, 'category', 'hide', 'editcategory.php?id=' . $category2->id, $category2->id);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Trigger and capture the event for unhiding a category.
         $sink = $this->redirectEvents();
@@ -146,8 +134,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\course_category_updated', $event);
         $this->assertEquals(\context_coursecat::instance($category2->id), $event->get_context());
-        $expected = array(SITEID, 'category', 'show', 'editcategory.php?id=' . $category2->id, $category2->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -178,8 +164,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\core\event\email_failed', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = array(SITEID, 'library', 'mailer', qualified_me(), 'ERROR: The email failed to send!');
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -207,9 +191,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\core\event\course_user_report_viewed', $event);
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
-        $expected = array($course->id, 'course', 'user report', 'user.php?id=' . $course->id . '&user='
-                . $user->id . '&mode=grade', $user->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -235,8 +216,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\core\event\course_viewed', $event);
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
-        $expected = array($course->id, 'course', 'view', 'view.php?id=' . $course->id, $course->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         // Now try with optional parameters.
@@ -256,9 +235,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\core\event\course_viewed', $event);
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
-        $expected = array($course->id, 'course', 'view section', 'view.php?id=' . $course->id . '&section='
-                . $sectionnumber, $sectionnumber);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         delete_course($course->id, false);
@@ -284,8 +260,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\core\event\recent_activity_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, "course", "recent", "recent.php?id=$course->id", $course->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/course/recent.php', array('id' => $course->id));
         $this->assertEquals($url, $event->get_url());
@@ -321,8 +295,6 @@ class events_test extends \advanced_testcase {
         $event = reset($events);
 
         $this->assertInstanceOf('\core\event\user_profile_viewed', $event);
-        $log = array($course->id, 'user', 'view', 'view.php?id=' . $user->id . '&course=' . $course->id, $user->id);
-        $this->assertEventLegacyLogData($log, $event);
         $this->assertEventContextNotUsed($event);
 
         // User profile viewed in user context.
@@ -338,8 +310,6 @@ class events_test extends \advanced_testcase {
         $event = reset($events);
 
         $this->assertInstanceOf('\core\event\user_profile_viewed', $event);
-        $expected = null;
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/lib/tests/event/user_graded_test.php b/lib/tests/event/user_graded_test.php
index 283f086c70e..6c36d7bbcde 100644
--- a/lib/tests/event/user_graded_test.php
+++ b/lib/tests/event/user_graded_test.php
@@ -61,10 +61,6 @@ class user_graded_test extends \advanced_testcase {
 
         $event = \core\event\user_graded::create_from_grade($grade_grade);
 
-        $this->assertEventLegacyLogData(
-            array($course->id, 'grade', 'update', '/report/grader/index.php?id=' . $course->id, $grade_item->itemname . ': ' . fullname($user)),
-            $event
-        );
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
         $this->assertSame($event->objecttable, 'grade_grades');
         $this->assertEquals($event->objectid, $grade_grade->id);
diff --git a/lib/tests/event/user_password_updated_test.php b/lib/tests/event/user_password_updated_test.php
index 73af86c35f6..f9069a9e6bb 100644
--- a/lib/tests/event/user_password_updated_test.php
+++ b/lib/tests/event/user_password_updated_test.php
@@ -43,7 +43,6 @@ class user_password_updated_test extends \advanced_testcase {
         $this->assertEventContextNotUsed($event);
         $this->assertEquals($user1->id, $event->relateduserid);
         $this->assertSame($context1, $event->get_context());
-        $this->assertEventLegacyLogData(null, $event);
         $this->assertFalse($event->other['forgottenreset']);
         $event->trigger();
 
@@ -52,7 +51,6 @@ class user_password_updated_test extends \advanced_testcase {
         $this->assertEventContextNotUsed($event);
         $this->assertEquals($user2->id, $event->relateduserid);
         $this->assertSame($context2, $event->get_context());
-        $this->assertEventLegacyLogData(null, $event);
         $this->assertFalse($event->other['forgottenreset']);
         $event->trigger();
 
@@ -61,7 +59,6 @@ class user_password_updated_test extends \advanced_testcase {
         $this->assertEventContextNotUsed($event);
         $this->assertEquals($user1->id, $event->relateduserid);
         $this->assertSame($context1, $event->get_context());
-        $this->assertEventLegacyLogData(array(SITEID, 'user', 'set password', 'profile.php?id='.$user1->id, $user1->id), $event);
         $this->assertTrue($event->other['forgottenreset']);
         $event->trigger();
     }
diff --git a/lib/tests/event_course_module_instance_list_viewed.php b/lib/tests/event_course_module_instance_list_viewed.php
index 3789ab7625c..fd3bb9aba00 100644
--- a/lib/tests/event_course_module_instance_list_viewed.php
+++ b/lib/tests/event_course_module_instance_list_viewed.php
@@ -53,8 +53,6 @@ class core_event_course_module_instance_list_viewed_testcase extends advanced_te
         $sink->close();
 
         // Test event data.
-        $legacydata = array($course->id, 'unittests', 'view all', 'index.php?id=' . $course->id, '');
-        $this->assertEventLegacyLogData($legacydata, $event);
         $url = new moodle_url('/mod/unittests/index.php', array('id' => $course->id));
         $this->assertEquals($url, $event->get_url());
         $this->assertEventContextNotUsed($event);
diff --git a/lib/tests/event_course_module_viewed.php b/lib/tests/event_course_module_viewed.php
index 67cb6fac508..7f77eaa7590 100644
--- a/lib/tests/event_course_module_viewed.php
+++ b/lib/tests/event_course_module_viewed.php
@@ -58,9 +58,6 @@ class core_event_course_module_viewed_testcase extends advanced_testcase {
         $event = reset($result);
         $sink->close();
 
-        // Test event data.
-        $legacydata = array($course->id, 'feedback', 'view', 'view.php?id=' . $cm->id, $feed->id, $cm->id);
-        $this->assertEventLegacyLogData($legacydata, $event);
         $this->assertSame('feedback', $event->objecttable);
         $url = new moodle_url('/mod/feedback/view.php', array('id' => $cm->id));
         $this->assertEquals($url, $event->get_url());
diff --git a/lib/tests/fixtures/event_fixtures.php b/lib/tests/fixtures/event_fixtures.php
index e13c2d84cde..33d02ceb2ff 100644
--- a/lib/tests/fixtures/event_fixtures.php
+++ b/lib/tests/fixtures/event_fixtures.php
@@ -47,18 +47,6 @@ class unittest_executed extends \core\event\base {
     public function get_url() {
         return new \moodle_url('/somepath/somefile.php', array('id'=>$this->data['other']['sample']));
     }
-
-    public static function get_legacy_eventname() {
-        return 'test_legacy';
-    }
-
-    protected function get_legacy_eventdata() {
-        return array($this->data['courseid'], $this->data['other']['sample']);
-    }
-
-    protected function get_legacy_logdata() {
-        return array($this->data['courseid'], 'core_unittest', 'view', 'unittest.php?id='.$this->data['other']['sample']);
-    }
 }
 
 
@@ -273,14 +261,6 @@ class context_used_in_event extends \core\event\base {
     public function get_url() {
         return new \moodle_url('/somepath/somefile.php', array('id' => $this->context->instanceid));
     }
-
-    protected function get_legacy_eventdata() {
-        return array($this->data['courseid'], $this->context->instanceid);
-    }
-
-    protected function get_legacy_logdata() {
-        return array($this->data['courseid'], 'core_unittest', 'view', 'unittest.php?id=' . $this->context->instanceid);
-    }
 }
 
 /**
diff --git a/lib/tests/moodlelib_test.php b/lib/tests/moodlelib_test.php
index 991c4ceef8d..70b8ec26d20 100644
--- a/lib/tests/moodlelib_test.php
+++ b/lib/tests/moodlelib_test.php
@@ -2532,10 +2532,6 @@ EOF;
         // Test Event.
         $this->assertInstanceOf('\core\event\user_deleted', $event);
         $this->assertSame($user->id, $event->objectid);
-        $this->assertSame('user_deleted', $event->get_legacy_eventname());
-        $this->assertEventLegacyData($user, $event);
-        $expectedlogdata = array(SITEID, 'user', 'delete', "view.php?id=$user->id", $user->firstname.' '.$user->lastname);
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
         $eventdata = $event->get_data();
         $this->assertSame($eventdata['other']['username'], $user->username);
         $this->assertSame($eventdata['other']['email'], $user->email);
@@ -3317,11 +3313,6 @@ EOF;
         // Test Event.
         $this->assertInstanceOf('\core\event\user_loggedout', $event);
         $this->assertSame($user->id, $event->objectid);
-        $this->assertSame('user_logout', $event->get_legacy_eventname());
-        $this->assertEventLegacyData($user, $event);
-        $expectedlogdata = array(SITEID, 'user', 'logout', 'view.php?id='.$event->objectid.'&course='.SITEID, $event->objectid, 0,
-            $event->objectid);
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/lib/tests/session_manager_test.php b/lib/tests/session_manager_test.php
index 6f9e223e794..9cd4df4173c 100644
--- a/lib/tests/session_manager_test.php
+++ b/lib/tests/session_manager_test.php
@@ -602,8 +602,6 @@ class session_manager_test extends \advanced_testcase {
         $this->assertEquals($coursecontext, $event->get_context());
         $oldfullname = fullname($user, true);
         $newfullname = fullname($adminuser, true);
-        $expectedlogdata = array($course->id, "course", "loginas", "../user/view.php?id=$course->id&user=$user->id", "$oldfullname -> $newfullname");
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
     }
 
     public function test_is_loggedinas() {
diff --git a/message/tests/event/events_test.php b/message/tests/event/events_test.php
index bbf1852bdf4..b5c4b9e0ab0 100644
--- a/message/tests/event/events_test.php
+++ b/message/tests/event/events_test.php
@@ -71,9 +71,6 @@ class events_test extends \core_message\messagelib_test {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\message_contact_added', $event);
         $this->assertEquals(\context_user::instance(2), $event->get_context());
-        $expected = array(SITEID, 'message', 'add contact', 'index.php?user1=' . $user->id .
-            '&user2=2', $user->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/message/index.php', array('user1' => $event->userid, 'user2' => $event->relateduserid));
         $this->assertEquals($url, $event->get_url());
     }
@@ -102,9 +99,6 @@ class events_test extends \core_message\messagelib_test {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\message_contact_removed', $event);
         $this->assertEquals(\context_user::instance(2), $event->get_context());
-        $expected = array(SITEID, 'message', 'remove contact', 'index.php?user1=' . $user->id .
-            '&user2=2', $user->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/message/index.php', array('user1' => $event->userid, 'user2' => $event->relateduserid));
         $this->assertEquals($url, $event->get_url());
     }
@@ -195,8 +189,6 @@ class events_test extends \core_message\messagelib_test {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\message_sent', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = array(SITEID, 'message', 'write', 'index.php?user=1&id=2&history=1#m3', 1);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/message/index.php', array('user1' => $event->userid, 'user2' => $event->relateduserid));
         $this->assertEquals($url, $event->get_url());
         $this->assertEquals(3, $event->objectid);
@@ -232,8 +224,6 @@ class events_test extends \core_message\messagelib_test {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\message_sent', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = array(SITEID, 'message', 'write', 'index.php?user=1&id=2&history=1#m3', 1);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/message/index.php', array('user1' => $event->userid, 'user2' => $event->relateduserid));
         $this->assertEquals($url, $event->get_url());
         $this->assertEquals(3, $event->objectid);
diff --git a/mnet/tests/event/events_test.php b/mnet/tests/event/events_test.php
index d662d51e995..3347df22a4b 100644
--- a/mnet/tests/event/events_test.php
+++ b/mnet/tests/event/events_test.php
@@ -66,9 +66,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\mnet_access_control_created', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = array(SITEID, 'admin/mnet', 'add', 'admin/mnet/access_control.php',
-            'SSO ACL: enabled user \'username\' from ' . $this->mnethost->name);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/admin/mnet/access_control.php');
         $this->assertEquals($url, $event->get_url());
@@ -96,9 +93,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\mnet_access_control_updated', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = array(SITEID, 'admin/mnet', 'update', 'admin/mnet/access_control.php',
-            'SSO ACL: enabled user \'username\' from ' . $this->mnethost->name);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/admin/mnet/access_control.php');
         $this->assertEquals($url, $event->get_url());
diff --git a/mod/assign/classes/event/all_submissions_downloaded.php b/mod/assign/classes/event/all_submissions_downloaded.php
index 09b6c824112..6f532ab868c 100644
--- a/mod/assign/classes/event/all_submissions_downloaded.php
+++ b/mod/assign/classes/event/all_submissions_downloaded.php
@@ -92,16 +92,6 @@ class all_submissions_downloaded extends base {
         $this->data['objecttable'] = 'assign';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $this->set_legacy_logdata('download all submissions', get_string('downloadall', 'assign'));
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/assessable_submitted.php b/mod/assign/classes/event/assessable_submitted.php
index c26375cd0f1..262670d0cdf 100644
--- a/mod/assign/classes/event/assessable_submitted.php
+++ b/mod/assign/classes/event/assessable_submitted.php
@@ -81,31 +81,6 @@ class assessable_submitted extends base {
             "for the assignment with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $eventdata = new \stdClass();
-        $eventdata->modulename = 'assign';
-        $eventdata->cmid = $this->contextinstanceid;
-        $eventdata->itemid = $this->objectid;
-        $eventdata->courseid = $this->courseid;
-        $eventdata->userid = $this->userid;
-        $eventdata->params = array('submission_editable' => $this->other['submission_editable']);
-        return $eventdata;
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'assessable_submitted';
-    }
-
     /**
      * Return localised event name.
      *
@@ -126,17 +101,6 @@ class assessable_submitted extends base {
         $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $submission = $this->get_record_snapshot('assign_submission', $this->objectid);
-        $this->set_legacy_logdata('submit for grading', $this->assign->format_submission_for_log($submission));
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/base.php b/mod/assign/classes/event/base.php
index c0b5e2dd5c6..db9662beab9 100644
--- a/mod/assign/classes/event/base.php
+++ b/mod/assign/classes/event/base.php
@@ -99,35 +99,6 @@ abstract class base extends \core\event\base {
         return new \moodle_url('/mod/assign/view.php', array('id' => $this->contextinstanceid));
     }
 
-    /**
-     * Sets the legacy event log data.
-     *
-     * @param string $action The current action
-     * @param string $info A detailed description of the change. But no more than 255 characters.
-     * @param string $url The url to the assign module instance.
-     */
-    public function set_legacy_logdata($action = '', $info = '', $url = '') {
-        $fullurl = 'view.php?id=' . $this->contextinstanceid;
-        if ($url != '') {
-            $fullurl .= '&' . $url;
-        }
-
-        $this->legacylogdata = array($this->courseid, 'assign', $action, $fullurl, $info, $this->contextinstanceid);
-    }
-
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        if (isset($this->legacylogdata)) {
-            return $this->legacylogdata;
-        }
-
-        return null;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/batch_set_marker_allocation_viewed.php b/mod/assign/classes/event/batch_set_marker_allocation_viewed.php
index 9481b0cb950..6d28137d192 100644
--- a/mod/assign/classes/event/batch_set_marker_allocation_viewed.php
+++ b/mod/assign/classes/event/batch_set_marker_allocation_viewed.php
@@ -95,17 +95,6 @@ class batch_set_marker_allocation_viewed extends base {
             "module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $logmessage = get_string('viewbatchmarkingallocation', 'assign');
-        $this->set_legacy_logdata('view batch set marker allocation', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/batch_set_workflow_state_viewed.php b/mod/assign/classes/event/batch_set_workflow_state_viewed.php
index b91c04537ea..6523d854999 100644
--- a/mod/assign/classes/event/batch_set_workflow_state_viewed.php
+++ b/mod/assign/classes/event/batch_set_workflow_state_viewed.php
@@ -95,17 +95,6 @@ class batch_set_workflow_state_viewed extends base {
             "module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $logmessage = get_string('viewbatchsetmarkingworkflowstate', 'assign');
-        $this->set_legacy_logdata('view batch set marking workflow state', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/extension_granted.php b/mod/assign/classes/event/extension_granted.php
index 51c4a9f7a5b..510a77583cc 100644
--- a/mod/assign/classes/event/extension_granted.php
+++ b/mod/assign/classes/event/extension_granted.php
@@ -94,16 +94,6 @@ class extension_granted extends base {
         $this->data['objecttable'] = 'assign';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $this->set_legacy_logdata('grant extension', $this->relateduserid);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/feedback_viewed.php b/mod/assign/classes/event/feedback_viewed.php
index 93d6aea615a..43254022f05 100644
--- a/mod/assign/classes/event/feedback_viewed.php
+++ b/mod/assign/classes/event/feedback_viewed.php
@@ -92,17 +92,6 @@ class feedback_viewed extends base {
             "for the assignment with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $logmessage = get_string('viewfeedbackforuser', 'assign', $this->relateduserid);
-        $this->set_legacy_logdata('view feedback', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/grading_form_viewed.php b/mod/assign/classes/event/grading_form_viewed.php
index dfa6b94bcc0..632c0cb08bd 100644
--- a/mod/assign/classes/event/grading_form_viewed.php
+++ b/mod/assign/classes/event/grading_form_viewed.php
@@ -98,19 +98,6 @@ class grading_form_viewed extends base {
             "for the assignment with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $user = $this->get_record_snapshot('user', $this->relateduserid);
-        $msg = get_string('viewgradingformforstudent', 'assign',
-            array('id' => $user->id, 'fullname' => fullname($user)));
-        $this->set_legacy_logdata('view grading form', $msg);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/grading_table_viewed.php b/mod/assign/classes/event/grading_table_viewed.php
index 464e8b02c56..a35b82876a9 100644
--- a/mod/assign/classes/event/grading_table_viewed.php
+++ b/mod/assign/classes/event/grading_table_viewed.php
@@ -95,17 +95,6 @@ class grading_table_viewed extends base {
             "id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $logmessage = get_string('viewsubmissiongradingtable', 'assign');
-        $this->set_legacy_logdata('view submission grading table', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/identities_revealed.php b/mod/assign/classes/event/identities_revealed.php
index 983ce4f0b69..921301ea92c 100644
--- a/mod/assign/classes/event/identities_revealed.php
+++ b/mod/assign/classes/event/identities_revealed.php
@@ -92,16 +92,6 @@ class identities_revealed extends base {
         $this->data['objecttable'] = 'assign';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $this->set_legacy_logdata('reveal identities', get_string('revealidentities', 'assign'));
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/marker_updated.php b/mod/assign/classes/event/marker_updated.php
index 761afc29cb0..a5d88b6092b 100644
--- a/mod/assign/classes/event/marker_updated.php
+++ b/mod/assign/classes/event/marker_updated.php
@@ -106,20 +106,6 @@ class marker_updated extends base {
         $this->data['objecttable'] = 'assign';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $user = $this->get_record_snapshot('user', $this->relateduserid);
-        $marker = $this->get_record_snapshot('user', $this->other['markerid']);
-        $a = array('id' => $user->id, 'fullname' => fullname($user), 'marker' => fullname($marker));
-        $logmessage = get_string('setmarkerallocationforlog', 'assign', $a);
-        $this->set_legacy_logdata('set marking allocation', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/remove_submission_form_viewed.php b/mod/assign/classes/event/remove_submission_form_viewed.php
index 6c27ab704c0..a06dbda4b39 100644
--- a/mod/assign/classes/event/remove_submission_form_viewed.php
+++ b/mod/assign/classes/event/remove_submission_form_viewed.php
@@ -98,22 +98,6 @@ class remove_submission_form_viewed extends base {
             "'$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        if ($this->relateduserid == $this->userid) {
-            $title = get_string('removesubmission', 'assign');
-        } else {
-            $user = $this->get_record_snapshot('user', $this->relateduserid);
-            $title = get_string('removesubmissionforstudent', 'assign', array('id' => $user->id, 'fullname' => fullname($user)));
-        }
-        $this->set_legacy_logdata('view remove submission assignment form', $title);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/reveal_identities_confirmation_page_viewed.php b/mod/assign/classes/event/reveal_identities_confirmation_page_viewed.php
index 922ec3b65c5..034ec281431 100644
--- a/mod/assign/classes/event/reveal_identities_confirmation_page_viewed.php
+++ b/mod/assign/classes/event/reveal_identities_confirmation_page_viewed.php
@@ -95,17 +95,6 @@ class reveal_identities_confirmation_page_viewed extends base {
             "assignment with course module id '$this->contextinstanceid'.";
     }
 
-
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $this->set_legacy_logdata('view', get_string('viewrevealidentitiesconfirm', 'assign'));
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/statement_accepted.php b/mod/assign/classes/event/statement_accepted.php
index 9212c9b3fa0..f5fa31fbd86 100644
--- a/mod/assign/classes/event/statement_accepted.php
+++ b/mod/assign/classes/event/statement_accepted.php
@@ -94,18 +94,6 @@ class statement_accepted extends base {
         $this->data['objecttable'] = 'assign_submission';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        global $USER;
-        $logmessage = get_string('submissionstatementacceptedlog', 'mod_assign', fullname($USER)); // Nasty hack.
-        $this->set_legacy_logdata('submission statement accepted', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/submission_confirmation_form_viewed.php b/mod/assign/classes/event/submission_confirmation_form_viewed.php
index 727b811d3c5..ccf5dc14058 100644
--- a/mod/assign/classes/event/submission_confirmation_form_viewed.php
+++ b/mod/assign/classes/event/submission_confirmation_form_viewed.php
@@ -95,17 +95,6 @@ class submission_confirmation_form_viewed extends base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $logmessage = get_string('viewownsubmissionform', 'assign');
-        $this->set_legacy_logdata('view confirm submit assignment form', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/submission_duplicated.php b/mod/assign/classes/event/submission_duplicated.php
index e2020b4fc6e..8a63fb14ff9 100644
--- a/mod/assign/classes/event/submission_duplicated.php
+++ b/mod/assign/classes/event/submission_duplicated.php
@@ -94,17 +94,6 @@ class submission_duplicated extends base {
         $this->data['objecttable'] = 'assign_submission';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $submission = $this->get_record_snapshot('assign_submission', $this->objectid);
-        $this->set_legacy_logdata('submissioncopied', $this->assign->format_submission_for_log($submission));
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/submission_form_viewed.php b/mod/assign/classes/event/submission_form_viewed.php
index fc2de8880e1..a7a2e618c45 100644
--- a/mod/assign/classes/event/submission_form_viewed.php
+++ b/mod/assign/classes/event/submission_form_viewed.php
@@ -103,22 +103,6 @@ class submission_form_viewed extends base {
             "'$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        if ($this->relateduserid == $this->userid) {
-            $title = get_string('editsubmission', 'assign');
-        } else {
-            $user = $this->get_record_snapshot('user', $this->relateduserid);
-            $title = get_string('editsubmissionother', 'assign', fullname($user));
-        }
-        $this->set_legacy_logdata('view submit assignment form', $title);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/submission_graded.php b/mod/assign/classes/event/submission_graded.php
index a6b0853cf0a..939bb4a2d97 100644
--- a/mod/assign/classes/event/submission_graded.php
+++ b/mod/assign/classes/event/submission_graded.php
@@ -95,17 +95,6 @@ class submission_graded extends base {
         $this->data['objecttable'] = 'assign_grades';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $grade = $this->get_record_snapshot('assign_grades', $this->objectid);
-        $this->set_legacy_logdata('grade submission', $this->assign->format_grade_for_log($grade));
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/submission_locked.php b/mod/assign/classes/event/submission_locked.php
index 32d99a0cc67..c967fa76a03 100644
--- a/mod/assign/classes/event/submission_locked.php
+++ b/mod/assign/classes/event/submission_locked.php
@@ -95,18 +95,6 @@ class submission_locked extends base {
         $this->data['objecttable'] = 'assign';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $user = $this->get_record_snapshot('user', $this->relateduserid);
-        $logmessage = get_string('locksubmissionforstudent', 'assign', array('id' => $user->id, 'fullname' => fullname($user)));
-        $this->set_legacy_logdata('lock submission', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/submission_status_updated.php b/mod/assign/classes/event/submission_status_updated.php
index 4d7608ea5d0..a1aaab3df64 100644
--- a/mod/assign/classes/event/submission_status_updated.php
+++ b/mod/assign/classes/event/submission_status_updated.php
@@ -96,23 +96,6 @@ class submission_status_updated extends base {
         $this->data['objecttable'] = 'assign_submission';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $submission = $this->get_record_snapshot('assign_submission', $this->objectid);
-        if ($this->assign->get_instance()->teamsubmission) {
-            $logmessage = get_string('reverttodraftforgroup', 'assign', $submission->groupid);
-        } else {
-            $user = $this->get_record_snapshot('user', $submission->userid);
-            $logmessage = get_string('reverttodraftforstudent', 'assign', ['id' => $user->id, 'fullname' => fullname($user)]);
-        }
-        $this->set_legacy_logdata('revert submission to draft', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/submission_status_viewed.php b/mod/assign/classes/event/submission_status_viewed.php
index 532cd150898..1fbdb38b463 100644
--- a/mod/assign/classes/event/submission_status_viewed.php
+++ b/mod/assign/classes/event/submission_status_viewed.php
@@ -97,16 +97,6 @@ class submission_status_viewed extends base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $this->set_legacy_logdata('view', get_string('viewownsubmissionstatus', 'assign'));
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/submission_unlocked.php b/mod/assign/classes/event/submission_unlocked.php
index 3cdfa6366a1..4f9efea4b6f 100644
--- a/mod/assign/classes/event/submission_unlocked.php
+++ b/mod/assign/classes/event/submission_unlocked.php
@@ -95,18 +95,6 @@ class submission_unlocked extends base {
         $this->data['objecttable'] = 'assign';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $user = $this->get_record_snapshot('user', $this->relateduserid);
-        $logmessage = get_string('unlocksubmissionforstudent', 'assign', array('id' => $user->id, 'fullname' => fullname($user)));
-        $this->set_legacy_logdata('unlock submission', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/submission_viewed.php b/mod/assign/classes/event/submission_viewed.php
index 4793786c23f..8852c432b19 100644
--- a/mod/assign/classes/event/submission_viewed.php
+++ b/mod/assign/classes/event/submission_viewed.php
@@ -92,17 +92,6 @@ class submission_viewed extends base {
             "assignment with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $logmessage = get_string('viewsubmissionforuser', 'assign', $this->relateduserid);
-        $this->set_legacy_logdata('view submission', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/classes/event/workflow_state_updated.php b/mod/assign/classes/event/workflow_state_updated.php
index 5928f537159..36eaeafbb6e 100644
--- a/mod/assign/classes/event/workflow_state_updated.php
+++ b/mod/assign/classes/event/workflow_state_updated.php
@@ -105,19 +105,6 @@ class workflow_state_updated extends base {
         $this->data['objecttable'] = 'assign';
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $user = $this->get_record_snapshot('user', $this->relateduserid);
-        $a = array('id' => $user->id, 'fullname' => fullname($user), 'state' => $this->other['newstate']);
-        $logmessage = get_string('setmarkingworkflowstateforlog', 'assign', $a);
-        $this->set_legacy_logdata('set marking workflow state', $logmessage);
-        return parent::get_legacy_logdata();
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/assign/submission/file/classes/event/assessable_uploaded.php b/mod/assign/submission/file/classes/event/assessable_uploaded.php
index 06f7fdbc539..d270822f3ff 100644
--- a/mod/assign/submission/file/classes/event/assessable_uploaded.php
+++ b/mod/assign/submission/file/classes/event/assessable_uploaded.php
@@ -53,35 +53,6 @@ class assessable_uploaded extends \core\event\assessable_uploaded {
             "in the assignment activity with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $eventdata = new \stdClass();
-        $eventdata->modulename = 'assign';
-        $eventdata->cmid = $this->contextinstanceid;
-        $eventdata->itemid = $this->objectid;
-        $eventdata->courseid = $this->courseid;
-        $eventdata->userid = $this->userid;
-        if (count($this->legacyfiles) > 1) {
-            $eventdata->files = $this->legacyfiles;
-        }
-        $eventdata->file = $this->legacyfiles;
-        $eventdata->pathnamehashes = array_keys($this->legacyfiles);
-        return $eventdata;
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'assessable_file_uploaded';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/assign/submission/file/tests/event/events_test.php b/mod/assign/submission/file/tests/event/events_test.php
index bb5739663da..68deb4a36e4 100644
--- a/mod/assign/submission/file/tests/event/events_test.php
+++ b/mod/assign/submission/file/tests/event/events_test.php
@@ -96,7 +96,6 @@ class events_test extends \advanced_testcase {
         $expected->file = $files;
         $expected->files = $files;
         $expected->pathnamehashes = array($fi->get_pathnamehash(), $fi2->get_pathnamehash());
-        $this->assertEventLegacyData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/mod/assign/submission/onlinetext/classes/event/assessable_uploaded.php b/mod/assign/submission/onlinetext/classes/event/assessable_uploaded.php
index d1ef0766f2c..27172914585 100644
--- a/mod/assign/submission/onlinetext/classes/event/assessable_uploaded.php
+++ b/mod/assign/submission/onlinetext/classes/event/assessable_uploaded.php
@@ -52,34 +52,6 @@ class assessable_uploaded extends \core\event\assessable_uploaded {
             "in the assignment activity with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $eventdata = new \stdClass();
-        $eventdata->modulename = 'assign';
-        $eventdata->cmid = $this->contextinstanceid;
-        $eventdata->itemid = $this->objectid;
-        $eventdata->courseid = $this->courseid;
-        $eventdata->userid = $this->userid;
-        $eventdata->content = $this->other['content'];
-        if ($this->other['pathnamehashes']) {
-            $eventdata->pathnamehashes = $this->other['pathnamehashes'];
-        }
-        return $eventdata;
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'assessable_content_uploaded';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/assign/submission/onlinetext/tests/event/events_test.php b/mod/assign/submission/onlinetext/tests/event/events_test.php
index 15f6cc8106f..7f9be48e58a 100644
--- a/mod/assign/submission/onlinetext/tests/event/events_test.php
+++ b/mod/assign/submission/onlinetext/tests/event/events_test.php
@@ -79,7 +79,6 @@ class events_test extends \advanced_testcase {
         $expected->courseid = $course->id;
         $expected->userid = $student->id;
         $expected->content = 'Submission text';
-        $this->assertEventLegacyData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/mod/assign/tests/event/events_test.php b/mod/assign/tests/event/events_test.php
index c499948a296..58b7b2268cb 100644
--- a/mod/assign/tests/event/events_test.php
+++ b/mod/assign/tests/event/events_test.php
@@ -293,16 +293,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($assign->get_context(), $event->get_context());
         $this->assertEquals($assign->get_instance()->id, $event->objectid);
         $this->assertEquals($student->id, $event->relateduserid);
-
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'grant extension',
-            'view.php?id=' . $assign->get_course_module()->id,
-            $student->id,
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
     }
 
@@ -328,16 +318,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($assign->get_context(), $event->get_context());
         $this->assertEquals($assign->get_instance()->id, $event->objectid);
         $this->assertEquals($student->id, $event->relateduserid);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'lock submission',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('locksubmissionforstudent', 'assign', array('id' => $student->id,
-                'fullname' => fullname($student))),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
     }
 
@@ -364,15 +344,6 @@ class events_test extends \advanced_testcase {
                 $this->assertInstanceOf('\mod_assign\event\identities_revealed', $event);
                 $this->assertEquals($assign->get_context(), $event->get_context());
                 $this->assertEquals($assign->get_instance()->id, $event->objectid);
-                $expected = array(
-                    $assign->get_course()->id,
-                    'assign',
-                    'reveal identities',
-                    'view.php?id=' . $assign->get_course_module()->id,
-                    get_string('revealidentities', 'assign'),
-                    $assign->get_course_module()->id
-                );
-                $this->assertEventLegacyLogData($expected, $event);
             }
         }
 
@@ -407,16 +378,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_assign\event\submission_status_viewed', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'view',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('viewownsubmissionstatus', 'assign'),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -449,16 +410,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($submission->id, $event->objectid);
         $this->assertEquals($student->id, $event->relateduserid);
         $this->assertEquals(ASSIGN_SUBMISSION_STATUS_DRAFT, $event->other['newstatus']);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'revert submission to draft',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('reverttodraftforstudent', 'assign', array('id' => $student->id,
-                'fullname' => fullname($student))),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
     }
 
@@ -490,16 +441,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($submission->id, $event->objectid);
         $this->assertEquals($student->id, $event->relateduserid);
         $this->assertEquals(ASSIGN_SUBMISSION_STATUS_NEW, $event->other['newstatus']);
-        $expected = [
-            $assign->get_course()->id,
-            'assign',
-            'revert submission to draft',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('reverttodraftforstudent', 'assign', ['id' => $student->id,
-                'fullname' => fullname($student)]),
-            $assign->get_course_module()->id
-        ];
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
     }
 
@@ -539,15 +480,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($submission->id, $event->objectid);
         $this->assertEquals(null, $event->relateduserid);
         $this->assertEquals(ASSIGN_SUBMISSION_STATUS_NEW, $event->other['newstatus']);
-        $expected = [
-            $course->id,
-            'assign',
-            'revert submission to draft',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('reverttodraftforgroup', 'assign', $group->id),
-            $assign->get_course_module()->id
-        ];
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
     }
 
@@ -575,16 +507,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($student->id, $event->relateduserid);
         $this->assertEquals($teacher->id, $event->userid);
         $this->assertEquals($teacher->id, $event->other['markerid']);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'set marking allocation',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('setmarkerallocationforlog', 'assign', array('id' => $student->id,
-                'fullname' => fullname($student), 'marker' => fullname($teacher))),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
     }
 
@@ -620,16 +542,6 @@ class events_test extends \advanced_testcase {
                 $this->assertEquals($student->id, $event->relateduserid);
                 $this->assertEquals($teacher->id, $event->userid);
                 $this->assertEquals(ASSIGN_MARKING_WORKFLOW_STATE_INREVIEW, $event->other['newstate']);
-                $expected = array(
-                    $assign->get_course()->id,
-                    'assign',
-                    'set marking workflow state',
-                    'view.php?id=' . $assign->get_course_module()->id,
-                    get_string('setmarkingworkflowstateforlog', 'assign', array('id' => $student->id,
-                        'fullname' => fullname($student), 'state' => ASSIGN_MARKING_WORKFLOW_STATE_INREVIEW)),
-                    $assign->get_course_module()->id
-                );
-                $this->assertEventLegacyLogData($expected, $event);
             }
         }
         $this->assertEquals(2, $eventcount);
@@ -651,16 +563,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($student->id, $event->relateduserid);
         $this->assertEquals($teacher->id, $event->userid);
         $this->assertEquals(ASSIGN_MARKING_WORKFLOW_STATE_READYFORRELEASE, $event->other['newstate']);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'set marking workflow state',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('setmarkingworkflowstateforlog', 'assign', array('id' => $student->id,
-                'fullname' => fullname($student), 'state' => ASSIGN_MARKING_WORKFLOW_STATE_READYFORRELEASE)),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
 
         // Test setting workflow state in process_save_quick_grades.
@@ -683,16 +585,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($student->id, $event->relateduserid);
         $this->assertEquals($teacher->id, $event->userid);
         $this->assertEquals(ASSIGN_MARKING_WORKFLOW_STATE_INMARKING, $event->other['newstate']);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'set marking workflow state',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('setmarkingworkflowstateforlog', 'assign', array('id' => $student->id,
-                'fullname' => fullname($student), 'state' => ASSIGN_MARKING_WORKFLOW_STATE_INMARKING)),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
     }
 
@@ -722,15 +614,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($submission2->id, $event->objectid);
         $this->assertEquals($student->id, $event->userid);
         $submission2->status = ASSIGN_SUBMISSION_STATUS_DRAFT;
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'submissioncopied',
-            'view.php?id=' . $assign->get_course_module()->id,
-            $assign->testable_format_submission_for_log($submission2),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
     }
 
@@ -756,16 +639,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($assign->get_context(), $event->get_context());
         $this->assertEquals($assign->get_instance()->id, $event->objectid);
         $this->assertEquals($student->id, $event->relateduserid);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'unlock submission',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('unlocksubmissionforstudent', 'assign', array('id' => $student->id,
-                'fullname' => fullname($student))),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
     }
 
@@ -796,15 +669,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($assign->get_context(), $event->get_context());
         $this->assertEquals($grade->id, $event->objectid);
         $this->assertEquals($student->id, $event->relateduserid);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'grade submission',
-            'view.php?id=' . $assign->get_course_module()->id,
-            $assign->format_grade_for_log($grade),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
 
         // Test process_save_quick_grades.
@@ -827,15 +691,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($assign->get_context(), $event->get_context());
         $this->assertEquals($grade->id, $event->objectid);
         $this->assertEquals($student->id, $event->relateduserid);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'grade submission',
-            'view.php?id=' . $assign->get_course_module()->id,
-            $assign->format_grade_for_log($grade),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
 
         // Test update_grade.
@@ -853,15 +708,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($assign->get_context(), $event->get_context());
         $this->assertEquals($grade->id, $event->objectid);
         $this->assertEquals($student->id, $event->relateduserid);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'grade submission',
-            'view.php?id=' . $assign->get_course_module()->id,
-            $assign->format_grade_for_log($grade),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $sink->close();
     }
 
@@ -901,16 +747,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_assign\event\submission_viewed', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
         $this->assertEquals($submission->id, $event->objectid);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'view submission',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('viewsubmissionforuser', 'assign', $student->id),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -956,16 +792,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_assign\event\feedback_viewed', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
         $this->assertEquals($gradeid, $event->objectid);
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'view feedback',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('viewfeedbackforuser', 'assign', $student->id),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -1001,17 +827,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_assign\event\grading_form_viewed', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'view grading form',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('viewgradingformforstudent', 'assign', array('id' => $student->id,
-                'fullname' => fullname($student))),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -1047,15 +862,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_assign\event\grading_table_viewed', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'view submission grading table',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('viewsubmissiongradingtable', 'assign'),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -1087,15 +893,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_assign\event\submission_form_viewed', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'view submit assignment form',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('editsubmission', 'assign'),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -1127,15 +924,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_assign\event\submission_confirmation_form_viewed', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'view confirm submit assignment form',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('viewownsubmissionform', 'assign'),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -1165,15 +953,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_assign\event\reveal_identities_confirmation_page_viewed', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'view',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('viewrevealidentitiesconfirm', 'assign'),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -1208,17 +987,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_assign\event\statement_accepted', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'submission statement accepted',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('submissionstatementacceptedlog',
-                'mod_assign',
-                fullname($student)),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         // Enable the online text submission plugin.
@@ -1249,7 +1017,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_assign\event\statement_accepted', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -1272,15 +1039,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_assign\event\batch_set_workflow_state_viewed', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'view batch set marking workflow state',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('viewbatchsetmarkingworkflowstate', 'assign'),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -1303,15 +1061,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_assign\event\batch_set_marker_allocation_viewed', $event);
         $this->assertEquals($assign->get_context(), $event->get_context());
-        $expected = array(
-            $assign->get_course()->id,
-            'assign',
-            'view batch set marker allocation',
-            'view.php?id=' . $assign->get_course_module()->id,
-            get_string('viewbatchmarkingallocation', 'assign'),
-            $assign->get_course_module()->id
-        );
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/mod/book/classes/event/chapter_created.php b/mod/book/classes/event/chapter_created.php
index 0adef111a40..96f8a0db28f 100644
--- a/mod/book/classes/event/chapter_created.php
+++ b/mod/book/classes/event/chapter_created.php
@@ -66,16 +66,6 @@ class chapter_created extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'book', 'add chapter', 'view.php?id=' . $this->contextinstanceid . '&chapterid=' .
-            $this->objectid, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/book/classes/event/chapter_deleted.php b/mod/book/classes/event/chapter_deleted.php
index c58c04ae96c..6d5c375fe60 100644
--- a/mod/book/classes/event/chapter_deleted.php
+++ b/mod/book/classes/event/chapter_deleted.php
@@ -66,16 +66,6 @@ class chapter_deleted extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        $chapter = $this->get_record_snapshot('book_chapters', $this->objectid);
-        return array($this->courseid, 'book', 'update', 'view.php?id='.$this->contextinstanceid, $chapter->bookid, $this->contextinstanceid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/book/classes/event/chapter_updated.php b/mod/book/classes/event/chapter_updated.php
index 7f8580c82a0..125c9899749 100644
--- a/mod/book/classes/event/chapter_updated.php
+++ b/mod/book/classes/event/chapter_updated.php
@@ -66,16 +66,6 @@ class chapter_updated extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'book', 'update chapter', 'view.php?id=' . $this->contextinstanceid . '&chapterid=' .
-            $this->objectid, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/book/classes/event/chapter_viewed.php b/mod/book/classes/event/chapter_viewed.php
index 7a0fc782418..ebcb376f9dc 100644
--- a/mod/book/classes/event/chapter_viewed.php
+++ b/mod/book/classes/event/chapter_viewed.php
@@ -66,16 +66,6 @@ class chapter_viewed extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'book', 'view chapter', 'view.php?id=' . $this->contextinstanceid .
-            '&chapterid=' . $this->objectid, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/book/tests/event/events_test.php b/mod/book/tests/event/events_test.php
index 0e7258856b8..b51861b9373 100644
--- a/mod/book/tests/event/events_test.php
+++ b/mod/book/tests/event/events_test.php
@@ -63,10 +63,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_book\event\chapter_created', $event);
         $this->assertEquals(\context_module::instance($book->cmid), $event->get_context());
         $this->assertEquals($chapter->id, $event->objectid);
-        $expected = array($course->id, 'book', 'add chapter', 'view.php?id='.$book->cmid.'&chapterid='.$chapter->id,
-            $chapter->id, $book->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     public function test_chapter_updated() {
@@ -93,10 +89,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_book\event\chapter_updated', $event);
         $this->assertEquals(\context_module::instance($book->cmid), $event->get_context());
         $this->assertEquals($chapter->id, $event->objectid);
-        $expected = array($course->id, 'book', 'update chapter', 'view.php?id='.$book->cmid.'&chapterid='.$chapter->id,
-            $chapter->id, $book->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     public function test_chapter_deleted() {
@@ -125,8 +117,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(\context_module::instance($book->cmid), $event->get_context());
         $this->assertEquals($chapter->id, $event->objectid);
         $this->assertEquals($chapter, $event->get_record_snapshot('book_chapters', $chapter->id));
-        $this->assertEventLegacyLogData($legacy, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     public function test_course_module_instance_list_viewed() {
@@ -149,9 +139,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_book\event\course_module_instance_list_viewed', $event);
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
-        $expected = array($course->id, 'book', 'view all', 'index.php?id='.$course->id, '');
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     public function test_course_module_viewed() {
@@ -178,9 +165,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_book\event\course_module_viewed', $event);
         $this->assertEquals(\context_module::instance($book->cmid), $event->get_context());
         $this->assertEquals($book->id, $event->objectid);
-        $expected = array($course->id, 'book', 'view', 'view.php?id=' . $book->cmid, $book->id, $book->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     public function test_chapter_viewed() {
@@ -207,10 +191,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_book\event\chapter_viewed', $event);
         $this->assertEquals(\context_module::instance($book->cmid), $event->get_context());
         $this->assertEquals($chapter->id, $event->objectid);
-        $expected = array($course->id, 'book', 'view chapter', 'view.php?id=' . $book->cmid . '&chapterid=' .
-            $chapter->id, $chapter->id, $book->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
 }
diff --git a/mod/book/tool/exportimscp/classes/event/book_exported.php b/mod/book/tool/exportimscp/classes/event/book_exported.php
index 08b63fdac50..121fd9d88ab 100644
--- a/mod/book/tool/exportimscp/classes/event/book_exported.php
+++ b/mod/book/tool/exportimscp/classes/event/book_exported.php
@@ -63,16 +63,6 @@ class book_exported extends \core\event\base {
         return "The user with id '$this->userid' has exported the book with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'book', 'exportimscp', 'tool/exportimscp/index.php?id=' . $this->contextinstanceid,
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/book/tool/exportimscp/tests/event/events_test.php b/mod/book/tool/exportimscp/tests/event/events_test.php
index b1c2f51bcb9..6aabcb433ff 100644
--- a/mod/book/tool/exportimscp/tests/event/events_test.php
+++ b/mod/book/tool/exportimscp/tests/event/events_test.php
@@ -60,10 +60,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\booktool_exportimscp\event\book_exported', $event);
         $this->assertEquals(\context_module::instance($book->cmid), $event->get_context());
         $this->assertEquals($book->id, $event->objectid);
-        $expected = array($course->id, 'book', 'exportimscp', 'tool/exportimscp/index.php?id=' . $book->cmid,
-            $book->id, $book->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
 }
diff --git a/mod/book/tool/print/classes/event/book_printed.php b/mod/book/tool/print/classes/event/book_printed.php
index 62d91b184df..a7a57e8ee3b 100644
--- a/mod/book/tool/print/classes/event/book_printed.php
+++ b/mod/book/tool/print/classes/event/book_printed.php
@@ -63,16 +63,6 @@ class book_printed extends \core\event\base {
         return "The user with id '$this->userid' has printed the book with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'book', 'print', 'tool/print/index.php?id=' . $this->contextinstanceid,
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/book/tool/print/classes/event/chapter_printed.php b/mod/book/tool/print/classes/event/chapter_printed.php
index c0c3b7ade77..f2b31769986 100644
--- a/mod/book/tool/print/classes/event/chapter_printed.php
+++ b/mod/book/tool/print/classes/event/chapter_printed.php
@@ -66,16 +66,6 @@ class chapter_printed extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'book', 'print chapter', 'tool/print/index.php?id=' . $this->contextinstanceid .
-            '&chapterid=' . $this->objectid, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/book/tool/print/tests/event/events_test.php b/mod/book/tool/print/tests/event/events_test.php
index 23929f8c66a..254073c5276 100644
--- a/mod/book/tool/print/tests/event/events_test.php
+++ b/mod/book/tool/print/tests/event/events_test.php
@@ -60,9 +60,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\booktool_print\event\book_printed', $event);
         $this->assertEquals(\context_module::instance($book->cmid), $event->get_context());
         $this->assertEquals($book->id, $event->objectid);
-        $expected = array($course->id, 'book',  'print', 'tool/print/index.php?id=' . $book->cmid, $book->id, $book->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
 
@@ -89,10 +86,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\booktool_print\event\chapter_printed', $event);
         $this->assertEquals(\context_module::instance($book->cmid), $event->get_context());
         $this->assertEquals($chapter->id, $event->objectid);
-        $expected = array($course->id, 'book', 'print chapter', 'tool/print/index.php?id=' . $book->cmid .
-            '&chapterid=' . $chapter->id, $chapter->id, $book->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
 }
diff --git a/mod/chat/classes/event/message_sent.php b/mod/chat/classes/event/message_sent.php
index 8397bb50905..ab491a3bdd4 100644
--- a/mod/chat/classes/event/message_sent.php
+++ b/mod/chat/classes/event/message_sent.php
@@ -45,17 +45,6 @@ class message_sent extends \core\event\base {
             '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $message = $this->get_record_snapshot('chat_messages', $this->objectid);
-        return array($this->courseid, 'chat', 'talk', 'view.php?id=' . $this->contextinstanceid,
-            $message->chatid, $this->contextinstanceid, $this->relateduserid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/chat/classes/event/sessions_viewed.php b/mod/chat/classes/event/sessions_viewed.php
index b2ec0c4431b..77d2caafb47 100644
--- a/mod/chat/classes/event/sessions_viewed.php
+++ b/mod/chat/classes/event/sessions_viewed.php
@@ -52,16 +52,6 @@ class sessions_viewed extends \core\event\base {
             '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'chat', 'report', 'report.php?id=' . $this->contextinstanceid,
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/chat/tests/event/events_test.php b/mod/chat/tests/event/events_test.php
index 00aa1ec501b..a577d8e2d8b 100644
--- a/mod/chat/tests/event/events_test.php
+++ b/mod/chat/tests/event/events_test.php
@@ -74,8 +74,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($messageid, $event->objectid);
         $this->assertEquals($user1->id, $event->relateduserid);
         $this->assertEquals($user1->id, $event->userid);
-        $expected = array($course->id, 'chat', 'talk', "view.php?id=$cm->id", $chat->id, $cm->id, $user1->id);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Send a messaging from the first user. We DO NOT pass the CM to chat_send_chatmessage() this time.
         // This ensures that the event triggered when sending a message is filled with the correct information.
@@ -89,9 +87,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($messageid, $event->objectid);
         $this->assertEquals($user2->id, $event->relateduserid);
         $this->assertEquals($user2->id, $event->userid);
-        $expected = array($course->id, 'chat', 'talk', "view.php?id=$cm->id", $chat->id, $cm->id, $user2->id);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
 
         // Sending a message from the system should not trigger any event.
         $sink->clear();
@@ -133,9 +128,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(5678, $event->other['end']);
         $this->assertEquals($chat->id, $event->objectid);
         $this->assertEquals($chat, $event->get_record_snapshot('chat', $chat->id));
-        $expected = array($course->id, 'chat', 'report', "report.php?id=$chat->cmid", $chat->id, $chat->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     public function test_course_module_instance_list_viewed() {
@@ -158,9 +150,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_chat\event\course_module_instance_list_viewed', $event);
         $this->assertEquals($USER->id, $event->userid);
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
-        $expected = array($course->id, 'chat', 'view all', "index.php?id=$course->id", '');
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     public function test_course_module_viewed() {
@@ -179,9 +168,6 @@ class events_test extends \advanced_testcase {
         $event->add_record_snapshot('chat', $chat);
         $event->trigger();
 
-        $expected = array($course->id, 'chat', 'view', "view.php?id=$cm->id", $chat->id, $cm->id);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/mod/chat/view.php', array('id' => $cm->id));
         $this->assertEquals($url, $event->get_url());
         $event->get_name();
diff --git a/mod/choice/classes/event/answer_submitted.php b/mod/choice/classes/event/answer_submitted.php
index e4c051d9580..8ac9fa20b69 100644
--- a/mod/choice/classes/event/answer_submitted.php
+++ b/mod/choice/classes/event/answer_submitted.php
@@ -61,22 +61,6 @@ class answer_submitted extends \core\event\base {
             with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $legacylogdata = array($this->courseid,
-            'choice',
-            'choose',
-            'view.php?id=' . $this->contextinstanceid,
-            $this->other['choiceid'],
-            $this->contextinstanceid);
-
-        return $legacylogdata;
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/choice/classes/event/answer_updated.php b/mod/choice/classes/event/answer_updated.php
index f33296242cf..c728a8c30f3 100644
--- a/mod/choice/classes/event/answer_updated.php
+++ b/mod/choice/classes/event/answer_updated.php
@@ -62,22 +62,6 @@ class answer_updated extends \core\event\base {
             with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $legacylogdata = array($this->courseid,
-            'choice',
-            'choose again',
-            'view.php?id=' . $this->contextinstanceid,
-            $this->other['choiceid'],
-            $this->contextinstanceid);
-
-        return $legacylogdata;
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/choice/classes/event/report_viewed.php b/mod/choice/classes/event/report_viewed.php
index 3e3f97d9194..ede748fda65 100644
--- a/mod/choice/classes/event/report_viewed.php
+++ b/mod/choice/classes/event/report_viewed.php
@@ -77,16 +77,6 @@ class report_viewed extends \core\event\base {
         return new \moodle_url('/mod/choice/report.php', array('id' => $this->contextinstanceid));
     }
 
-    /**
-     * replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        $url = new \moodle_url('report.php', array('id' => $this->contextinstanceid));
-        return array($this->courseid, 'choice', 'report', $url->out(), $this->objectid, $this->contextinstanceid);
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'choice', 'restore' => 'choice');
     }
diff --git a/mod/choice/tests/event/events_test.php b/mod/choice/tests/event/events_test.php
index 8d21ffe1db5..60807ede129 100644
--- a/mod/choice/tests/event/events_test.php
+++ b/mod/choice/tests/event/events_test.php
@@ -299,10 +299,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_choice\event\report_viewed', $event[0]);
         $this->assertEquals($USER->id, $event[0]->userid);
         $this->assertEquals(\context_module::instance($this->choice->cmid), $event[0]->get_context());
-        $expected = array($this->course->id, "choice", "report", 'report.php?id=' . $this->context->instanceid,
-            $this->choice->id, $this->context->instanceid);
-        $this->assertEventLegacyLogData($expected, $event[0]);
-        $this->assertEventContextNotUsed($event[0]);
         $sink->close();
     }
 
@@ -371,10 +367,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_choice\event\course_module_viewed', $event[0]);
         $this->assertEquals($USER->id, $event[0]->userid);
         $this->assertEquals(\context_module::instance($this->choice->cmid), $event[0]->get_context());
-        $expected = array($this->course->id, "choice", "view", 'view.php?id=' . $this->context->instanceid,
-            $this->choice->id, $this->context->instanceid);
-        $this->assertEventLegacyLogData($expected, $event[0]);
-        $this->assertEventContextNotUsed($event[0]);
         $sink->close();
     }
 
@@ -397,8 +389,5 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_choice\event\course_module_instance_list_viewed', $event);
         $this->assertEquals($USER->id, $event->userid);
         $this->assertEquals(\context_course::instance($this->course->id), $event->get_context());
-        $expected = array($this->course->id, 'choice', 'view all', 'index.php?id=' . $this->course->id, '');
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 }
diff --git a/mod/data/classes/event/field_created.php b/mod/data/classes/event/field_created.php
index dc1bb0e0ec6..6a37ce1dba0 100644
--- a/mod/data/classes/event/field_created.php
+++ b/mod/data/classes/event/field_created.php
@@ -83,16 +83,6 @@ class field_created extends \core\event\base {
         return new \moodle_url('/mod/data/field.php', array('d' => $this->other['dataid']));
     }
 
-    /**
-     * Get the legacy event log data.
-     *
-     * @return array
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'data', 'fields add', 'field.php?d=' . $this->other['dataid'] . '&mode=display&fid=' .
-            $this->objectid, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/data/classes/event/field_deleted.php b/mod/data/classes/event/field_deleted.php
index 4a6b4af135f..338455c1149 100644
--- a/mod/data/classes/event/field_deleted.php
+++ b/mod/data/classes/event/field_deleted.php
@@ -82,16 +82,6 @@ class field_deleted extends \core\event\base {
         return new \moodle_url('/mod/data/field.php', array('d' => $this->other['dataid']));
     }
 
-    /**
-     * Get the legacy event log data.
-     *
-     * @return array
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'data', 'fields delete', 'field.php?d=' . $this->other['dataid'],
-            $this->other['fieldname'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/data/classes/event/field_updated.php b/mod/data/classes/event/field_updated.php
index 0f35080a514..7432da6167d 100644
--- a/mod/data/classes/event/field_updated.php
+++ b/mod/data/classes/event/field_updated.php
@@ -82,16 +82,6 @@ class field_updated extends \core\event\base {
         return new \moodle_url('/mod/data/field.php', array('d' => $this->other['dataid']));
     }
 
-    /**
-     * Get the legacy event log data.
-     *
-     * @return array
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'data', 'fields update', 'field.php?d=' . $this->other['dataid'] .
-            '&mode=display&fid=' . $this->objectid, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/data/classes/event/record_created.php b/mod/data/classes/event/record_created.php
index d0c15af0cbf..351d168e0e4 100644
--- a/mod/data/classes/event/record_created.php
+++ b/mod/data/classes/event/record_created.php
@@ -81,16 +81,6 @@ class record_created extends \core\event\base {
         return new \moodle_url('/mod/data/view.php', array('d' => $this->other['dataid'], 'rid' => $this->objectid));
     }
 
-    /**
-     * Get the legacy event log data.
-     *
-     * @return array
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'data', 'add', 'view.php?d=' . $this->other['dataid'] . '&rid=' . $this->objectid,
-            $this->other['dataid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/data/classes/event/record_deleted.php b/mod/data/classes/event/record_deleted.php
index 58356ad926f..8994f6326d9 100644
--- a/mod/data/classes/event/record_deleted.php
+++ b/mod/data/classes/event/record_deleted.php
@@ -81,16 +81,6 @@ class record_deleted extends \core\event\base {
         return new \moodle_url('/mod/data/view.php', array('d' => $this->other['dataid']));
     }
 
-    /**
-     * Get the legacy event log data.
-     *
-     * @return array
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'data', 'record delete', 'view.php?id=' . $this->contextinstanceid,
-            $this->other['dataid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/data/classes/event/record_updated.php b/mod/data/classes/event/record_updated.php
index b053d12df3d..faf8dfb6b6e 100644
--- a/mod/data/classes/event/record_updated.php
+++ b/mod/data/classes/event/record_updated.php
@@ -81,16 +81,6 @@ class record_updated extends \core\event\base {
         return new \moodle_url('/mod/data/view.php', array('d' => $this->other['dataid'], 'rid' => $this->objectid));
     }
 
-    /**
-     * Get the legacy event log data.
-     *
-     * @return array
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'data', 'update', 'view.php?d=' . $this->other['dataid'] . '&rid=' . $this->objectid,
-            $this->other['dataid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/data/classes/event/template_updated.php b/mod/data/classes/event/template_updated.php
index e484e51da11..8b22771902c 100644
--- a/mod/data/classes/event/template_updated.php
+++ b/mod/data/classes/event/template_updated.php
@@ -72,16 +72,6 @@ class template_updated extends \core\event\base {
             "id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Get the legacy event log data.
-     *
-     * @return array
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'data', 'templates saved', 'templates.php?id=' . $this->contextinstanceid .
-            '&d=' . $this->other['dataid'], $this->other['dataid'], $this->contextinstanceid);
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/data/classes/event/template_viewed.php b/mod/data/classes/event/template_viewed.php
index 00f921749ee..28e58f8fbfa 100644
--- a/mod/data/classes/event/template_viewed.php
+++ b/mod/data/classes/event/template_viewed.php
@@ -80,16 +80,6 @@ class template_viewed extends \core\event\base {
         return new \moodle_url('/mod/data/templates.php', array('d' => $this->other['dataid']));
     }
 
-    /**
-     * Get the legacy event log data.
-     *
-     * @return array
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'data', 'templates view', 'templates.php?id=' . $this->contextinstanceid .
-            '&d=' . $this->other['dataid'], $this->other['dataid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/data/tests/event/events_test.php b/mod/data/tests/event/events_test.php
index 6df9fb43650..aa7b8207da5 100644
--- a/mod/data/tests/event/events_test.php
+++ b/mod/data/tests/event/events_test.php
@@ -71,10 +71,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_data\event\field_created', $event);
         $this->assertEquals(\context_module::instance($data->cmid), $event->get_context());
-        $expected = array($course->id, 'data', 'fields add', 'field.php?d=' . $data->id . '&mode=display&fid=' .
-            $field->field->id, $field->field->id, $data->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/mod/data/field.php', array('d' => $data->id));
         $this->assertEquals($url, $event->get_url());
     }
@@ -111,10 +107,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_data\event\field_updated', $event);
         $this->assertEquals(\context_module::instance($data->cmid), $event->get_context());
-        $expected = array($course->id, 'data', 'fields update', 'field.php?d=' . $data->id . '&mode=display&fid=' .
-            $field->field->id, $field->field->id, $data->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/mod/data/field.php', array('d' => $data->id));
         $this->assertEquals($url, $event->get_url());
     }
@@ -151,9 +143,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_data\event\field_deleted', $event);
         $this->assertEquals(\context_module::instance($data->cmid), $event->get_context());
-        $expected = array($course->id, 'data', 'fields delete', 'field.php?d=' . $data->id, $field->field->name, $data->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/mod/data/field.php', array('d' => $data->id));
         $this->assertEquals($url, $event->get_url());
     }
@@ -180,10 +169,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_data\event\record_created', $event);
         $this->assertEquals(\context_module::instance($data->cmid), $event->get_context());
-        $expected = array($course->id, 'data', 'add', 'view.php?d=' . $data->id . '&rid=' . $recordid,
-            $data->id, $data->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/mod/data/view.php', array('d' => $data->id, 'rid' => $recordid));
         $this->assertEquals($url, $event->get_url());
     }
@@ -223,9 +208,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_data\event\record_updated', $event);
         $this->assertEquals(\context_module::instance($data->cmid), $event->get_context());
-        $expected = array($course->id, 'data', 'update', 'view.php?d=' . $data->id . '&rid=1', $data->id, $data->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/mod/data/view.php', array('d' => $data->id, 'rid' => $event->objectid));
         $this->assertEquals($url, $event->get_url());
     }
@@ -274,9 +256,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_data\event\record_deleted', $event);
         $this->assertEquals(\context_module::instance($data->cmid), $event->get_context());
-        $expected = array($course->id, 'data', 'record delete', 'view.php?id=' . $data->cmid, $data->id, $data->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/mod/data/view.php', array('d' => $data->id));
         $this->assertEquals($url, $event->get_url());
     }
@@ -315,10 +294,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_data\event\template_viewed', $event);
         $this->assertEquals(\context_module::instance($data->cmid), $event->get_context());
-        $expected = array($course->id, 'data', 'templates view', 'templates.php?id=' . $data->cmid . '&d=' .
-            $data->id, $data->id, $data->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/mod/data/templates.php', array('d' => $data->id));
         $this->assertEquals($url, $event->get_url());
     }
@@ -357,10 +332,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_data\event\template_updated', $event);
         $this->assertEquals(\context_module::instance($data->cmid), $event->get_context());
-        $expected = array($course->id, 'data', 'templates saved', 'templates.php?id=' . $data->cmid . '&d=' .
-            $data->id, $data->id, $data->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/mod/data/templates.php', array('d' => $data->id));
         $this->assertEquals($url, $event->get_url());
     }
diff --git a/mod/feedback/classes/event/course_module_viewed.php b/mod/feedback/classes/event/course_module_viewed.php
index 39e45e55612..fc0a39387de 100644
--- a/mod/feedback/classes/event/course_module_viewed.php
+++ b/mod/feedback/classes/event/course_module_viewed.php
@@ -95,20 +95,6 @@ class course_module_viewed extends \core\event\course_module_viewed {
         }
     }
 
-    /**
-     * Replace add_to_log() statement.Do this only for the case when anonymous mode is off,
-     * since this is what was happening before.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        if ($this->anonymous) {
-            return null;
-        } else {
-            return parent::get_legacy_logdata();
-        }
-    }
-
     /**
      * Custom validations.
      *
diff --git a/mod/feedback/classes/event/response_deleted.php b/mod/feedback/classes/event/response_deleted.php
index d0820a10eb3..3ee9b604557 100644
--- a/mod/feedback/classes/event/response_deleted.php
+++ b/mod/feedback/classes/event/response_deleted.php
@@ -99,16 +99,6 @@ class response_deleted extends \core\event\base {
             "for the feedback activity with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'feedback', 'delete', 'view.php?id=' . $this->other['cmid'], $this->other['instanceid'],
-                $this->other['instanceid']);
-    }
-
     /**
      * Define whether a user can view the event or not. Make sure no one except admin can see details of an anonymous response.
      *
diff --git a/mod/feedback/classes/event/response_submitted.php b/mod/feedback/classes/event/response_submitted.php
index f012f6920be..42f32eaa20c 100644
--- a/mod/feedback/classes/event/response_submitted.php
+++ b/mod/feedback/classes/event/response_submitted.php
@@ -113,21 +113,6 @@ class response_submitted extends \core\event\base {
         }
     }
 
-    /**
-     * Replace add_to_log() statement. Do this only for the case when anonymous mode is off,
-     * since this is what was happening before.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        if ($this->anonymous) {
-            return null;
-        } else {
-            return array($this->courseid, 'feedback', 'submit', 'view.php?id=' . $this->other['cmid'],
-                    $this->other['instanceid'], $this->other['cmid'], $this->relateduserid);
-        }
-    }
-
     /**
      * Define whether a user can view the event or not. Make sure no one except admin can see details of an anonymous response.
      *
diff --git a/mod/feedback/tests/event/events_test.php b/mod/feedback/tests/event/events_test.php
index 79d91162021..afcc627d410 100644
--- a/mod/feedback/tests/event/events_test.php
+++ b/mod/feedback/tests/event/events_test.php
@@ -126,12 +126,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($this->eventcourse, $event->get_record_snapshot('course', $event->courseid));
         $this->assertEquals($this->eventfeedback, $event->get_record_snapshot('feedback', $event->other['instanceid']));
 
-        // Test legacy data.
-        $arr = array($this->eventcourse->id, 'feedback', 'delete', 'view.php?id=' . $this->eventcm->id, $this->eventfeedback->id,
-                $this->eventfeedback->id);
-        $this->assertEventLegacyLogData($arr, $event);
-        $this->assertEventContextNotUsed($event);
-
         // Test can_view() .
         $this->setUser($this->eventuser);
         $this->assertFalse($event->can_view());
@@ -238,9 +232,6 @@ class events_test extends \advanced_testcase {
         $this->assertTrue($event->can_view());
         $this->assertDebuggingCalled();
 
-        // Test legacy data.
-        $this->assertEventLegacyLogData(null, $event);
-
         // Create a temporary response, with anonymous set to no.
         $response = new \stdClass();
         $response->feedback = $this->eventcm->instance;
@@ -262,11 +253,6 @@ class events_test extends \advanced_testcase {
         $event = array_pop($events); // Response submitted feedback event.
         $sink->close();
 
-        // Test legacy data.
-        $arr = array($this->eventcourse->id, 'feedback', 'submit', 'view.php?id=' . $this->eventcm->id, $this->eventfeedback->id,
-                     $this->eventcm->id, $this->eventuser->id);
-        $this->assertEventLegacyLogData($arr, $event);
-
         // Test can_view().
         $this->assertTrue($event->can_view());
         $this->assertDebuggingCalled();
diff --git a/mod/folder/classes/event/folder_updated.php b/mod/folder/classes/event/folder_updated.php
index d3a20e84361..b2189984751 100644
--- a/mod/folder/classes/event/folder_updated.php
+++ b/mod/folder/classes/event/folder_updated.php
@@ -72,16 +72,6 @@ class folder_updated extends \core\event\base {
         return new \moodle_url('/mod/folder/edit.php', array('id' => $this->contextinstanceid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'folder', 'edit', 'edit.php?id=' . $this->contextinstanceid, $this->objectid,
-            $this->contextinstanceid);
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'folder', 'restore' => 'folder');
     }
diff --git a/mod/folder/tests/event/events_test.php b/mod/folder/tests/event/events_test.php
index cb6311844eb..35e39a25845 100644
--- a/mod/folder/tests/event/events_test.php
+++ b/mod/folder/tests/event/events_test.php
@@ -64,9 +64,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_folder\event\folder_updated', $event);
         $this->assertEquals(\context_module::instance($folder->cmid), $event->get_context());
         $this->assertEquals($folder->id, $event->objectid);
-        $expected = array($course->id, 'folder', 'edit', 'edit.php?id=' . $folder->cmid, $folder->id, $folder->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
diff --git a/mod/forum/classes/event/assessable_uploaded.php b/mod/forum/classes/event/assessable_uploaded.php
index 93f37bdbbcd..7b70f7d47f6 100644
--- a/mod/forum/classes/event/assessable_uploaded.php
+++ b/mod/forum/classes/event/assessable_uploaded.php
@@ -54,35 +54,6 @@ class assessable_uploaded extends \core\event\assessable_uploaded {
             "'$this->contextinstanceid'.";
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $eventdata = new \stdClass();
-        $eventdata->modulename   = 'forum';
-        $eventdata->name         = $this->other['triggeredfrom'];
-        $eventdata->cmid         = $this->contextinstanceid;
-        $eventdata->itemid       = $this->objectid;
-        $eventdata->courseid     = $this->courseid;
-        $eventdata->userid       = $this->userid;
-        $eventdata->content      = $this->other['content'];
-        if ($this->other['pathnamehashes']) {
-            $eventdata->pathnamehashes = $this->other['pathnamehashes'];
-        }
-        return $eventdata;
-    }
-
-    /**
-     * Return the legacy event name.
-     *
-     * @return string
-     */
-    public static function get_legacy_eventname() {
-        return 'assessable_content_uploaded';
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/forum/classes/event/course_module_viewed.php b/mod/forum/classes/event/course_module_viewed.php
index a4c2f033dbc..16f2341fd7c 100644
--- a/mod/forum/classes/event/course_module_viewed.php
+++ b/mod/forum/classes/event/course_module_viewed.php
@@ -56,16 +56,6 @@ class course_module_viewed extends \core\event\course_module_viewed {
         return new \moodle_url('/mod/forum/view.php', array('f' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'forum', 'view forum', 'view.php?f=' . $this->objectid,
-            $this->objectid, $this->contextinstanceid);
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'forum', 'restore' => 'forum');
     }
diff --git a/mod/forum/classes/event/course_searched.php b/mod/forum/classes/event/course_searched.php
index 40ab3dc88b0..99b31ed456a 100644
--- a/mod/forum/classes/event/course_searched.php
+++ b/mod/forum/classes/event/course_searched.php
@@ -82,18 +82,6 @@ class course_searched extends \core\event\base {
             array('id' => $this->courseid, 'search' => $this->other['searchterm']));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        // The legacy log table expects a relative path to /mod/forum/.
-        $logurl = substr($this->get_url()->out_as_local_url(), strlen('/mod/forum/'));
-
-        return array($this->courseid, 'forum', 'search', $logurl, $this->other['searchterm']);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/discussion_created.php b/mod/forum/classes/event/discussion_created.php
index ad5e372ba03..cfb158ff286 100644
--- a/mod/forum/classes/event/discussion_created.php
+++ b/mod/forum/classes/event/discussion_created.php
@@ -80,19 +80,6 @@ class discussion_created extends \core\event\base {
         return new \moodle_url('/mod/forum/discuss.php', array('d' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-
-        // The legacy log table expects a relative path to /mod/forum/.
-        $logurl = substr($this->get_url()->out_as_local_url(), strlen('/mod/forum/'));
-
-        return array($this->courseid, 'forum', 'add discussion', $logurl, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/discussion_deleted.php b/mod/forum/classes/event/discussion_deleted.php
index 6bd2d2ffa14..065c690ad00 100644
--- a/mod/forum/classes/event/discussion_deleted.php
+++ b/mod/forum/classes/event/discussion_deleted.php
@@ -81,16 +81,6 @@ class discussion_deleted extends \core\event\base {
         return new \moodle_url('/mod/forum/view.php', array('id' => $this->contextinstanceid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'forum', 'delete discussion', 'view.php?id=' . $this->contextinstanceid,
-            $this->other['forumid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/discussion_moved.php b/mod/forum/classes/event/discussion_moved.php
index c0aaa1b93ca..b81d723ce82 100644
--- a/mod/forum/classes/event/discussion_moved.php
+++ b/mod/forum/classes/event/discussion_moved.php
@@ -81,16 +81,6 @@ class discussion_moved extends \core\event\base {
         return new \moodle_url('/mod/forum/discuss.php', array('d' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'forum', 'move discussion', 'discuss.php?d=' . $this->objectid,
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/discussion_pinned.php b/mod/forum/classes/event/discussion_pinned.php
index fd74bdd45d0..7e23f7a3468 100644
--- a/mod/forum/classes/event/discussion_pinned.php
+++ b/mod/forum/classes/event/discussion_pinned.php
@@ -70,17 +70,6 @@ class discussion_pinned extends \core\event\base {
         return new \moodle_url('/mod/forum/discuss.php', array('d' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        // The legacy log table expects a relative path to /mod/forum/.
-        $logurl = substr($this->get_url()->out_as_local_url(), strlen('/mod/forum/'));
-        return array($this->courseid, 'forum', 'pin discussion', $logurl, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/discussion_unpinned.php b/mod/forum/classes/event/discussion_unpinned.php
index 5c38d42ebdf..e985dd3594a 100644
--- a/mod/forum/classes/event/discussion_unpinned.php
+++ b/mod/forum/classes/event/discussion_unpinned.php
@@ -70,17 +70,6 @@ class discussion_unpinned extends \core\event\base {
         return new \moodle_url('/mod/forum/discuss.php', array('d' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        // The legacy log table expects a relative path to /mod/forum/.
-        $logurl = substr($this->get_url()->out_as_local_url(), strlen('/mod/forum/'));
-        return array($this->courseid, 'forum', 'unpin discussion', $logurl, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/discussion_viewed.php b/mod/forum/classes/event/discussion_viewed.php
index e99290e0cb0..450f165a3e5 100644
--- a/mod/forum/classes/event/discussion_viewed.php
+++ b/mod/forum/classes/event/discussion_viewed.php
@@ -75,16 +75,6 @@ class discussion_viewed extends \core\event\base {
         return new \moodle_url('/mod/forum/discuss.php', array('d' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'forum', 'view discussion', 'discuss.php?d=' . $this->objectid,
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/post_created.php b/mod/forum/classes/event/post_created.php
index ea170e569ae..a495b2a1644 100644
--- a/mod/forum/classes/event/post_created.php
+++ b/mod/forum/classes/event/post_created.php
@@ -91,18 +91,6 @@ class post_created extends \core\event\base {
         return $url;
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        // The legacy log table expects a relative path to /mod/forum/.
-        $logurl = substr($this->get_url()->out_as_local_url(), strlen('/mod/forum/'));
-
-        return array($this->courseid, 'forum', 'add post', $logurl, $this->other['forumid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/post_deleted.php b/mod/forum/classes/event/post_deleted.php
index 91d2f4c12db..86ceb5a9d9c 100644
--- a/mod/forum/classes/event/post_deleted.php
+++ b/mod/forum/classes/event/post_deleted.php
@@ -90,18 +90,6 @@ class post_deleted extends \core\event\base {
         return $url;
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        // The legacy log table expects a relative path to /mod/forum/.
-        $logurl = substr($this->get_url()->out_as_local_url(), strlen('/mod/forum/'));
-
-        return array($this->courseid, 'forum', 'delete post', $logurl, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/post_updated.php b/mod/forum/classes/event/post_updated.php
index 2ab41ff3a16..5b2a7ed96d2 100644
--- a/mod/forum/classes/event/post_updated.php
+++ b/mod/forum/classes/event/post_updated.php
@@ -91,18 +91,6 @@ class post_updated extends \core\event\base {
         return $url;
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        // The legacy log table expects a relative path to /mod/forum/.
-        $logurl = substr($this->get_url()->out_as_local_url(), strlen('/mod/forum/'));
-
-        return array($this->courseid, 'forum', 'update post', $logurl, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/readtracking_disabled.php b/mod/forum/classes/event/readtracking_disabled.php
index 3e35ff3cc9b..0f90e947a04 100644
--- a/mod/forum/classes/event/readtracking_disabled.php
+++ b/mod/forum/classes/event/readtracking_disabled.php
@@ -79,16 +79,6 @@ class readtracking_disabled extends \core\event\base {
         return new \moodle_url('/mod/forum/view.php', array('f' => $this->other['forumid']));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'forum', 'stop tracking', 'view.php?f=' . $this->other['forumid'],
-            $this->other['forumid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/readtracking_enabled.php b/mod/forum/classes/event/readtracking_enabled.php
index c2dcc40c87e..78103c85917 100644
--- a/mod/forum/classes/event/readtracking_enabled.php
+++ b/mod/forum/classes/event/readtracking_enabled.php
@@ -79,16 +79,6 @@ class readtracking_enabled extends \core\event\base {
         return new \moodle_url('/mod/forum/view.php', array('f' => $this->other['forumid']));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'forum', 'start tracking', 'view.php?f=' . $this->other['forumid'],
-            $this->other['forumid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/subscribers_viewed.php b/mod/forum/classes/event/subscribers_viewed.php
index deec581902c..0aa54776bb1 100644
--- a/mod/forum/classes/event/subscribers_viewed.php
+++ b/mod/forum/classes/event/subscribers_viewed.php
@@ -80,16 +80,6 @@ class subscribers_viewed extends \core\event\base {
         return new \moodle_url('/mod/forum/subscribers.php', array('id' => $this->other['forumid']));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'forum', 'view subscribers', 'subscribers.php?id=' . $this->other['forumid'],
-            $this->other['forumid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/subscription_created.php b/mod/forum/classes/event/subscription_created.php
index c3531aafd9a..df4fd1f3a28 100644
--- a/mod/forum/classes/event/subscription_created.php
+++ b/mod/forum/classes/event/subscription_created.php
@@ -80,16 +80,6 @@ class subscription_created extends \core\event\base {
         return new \moodle_url('/mod/forum/subscribers.php', array('id' => $this->other['forumid']));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'forum', 'subscribe', 'view.php?f=' . $this->other['forumid'],
-            $this->other['forumid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/subscription_deleted.php b/mod/forum/classes/event/subscription_deleted.php
index 129e9b2e6c3..a52149a529f 100644
--- a/mod/forum/classes/event/subscription_deleted.php
+++ b/mod/forum/classes/event/subscription_deleted.php
@@ -80,16 +80,6 @@ class subscription_deleted extends \core\event\base {
         return new \moodle_url('/mod/forum/subscribers.php', array('id' => $this->other['forumid']));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'forum', 'unsubscribe', 'view.php?f=' . $this->other['forumid'],
-            $this->other['forumid'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/classes/event/user_report_viewed.php b/mod/forum/classes/event/user_report_viewed.php
index 1fdc5c96f0b..7267e7cccbb 100644
--- a/mod/forum/classes/event/user_report_viewed.php
+++ b/mod/forum/classes/event/user_report_viewed.php
@@ -88,18 +88,6 @@ class user_report_viewed extends \core\event\base {
         return $url;
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    protected function get_legacy_logdata() {
-        // The legacy log table expects a relative path to /mod/forum/.
-        $logurl = substr($this->get_url()->out_as_local_url(), strlen('/mod/forum/'));
-
-        return array($this->courseid, 'forum', 'user report', $logurl, $this->relateduserid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/forum/tests/event/events_test.php b/mod/forum/tests/event/events_test.php
index 21208aba859..1d0a9c585e2 100644
--- a/mod/forum/tests/event/events_test.php
+++ b/mod/forum/tests/event/events_test.php
@@ -112,8 +112,6 @@ class events_test extends \advanced_testcase {
          // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\course_searched', $event);
         $this->assertEquals($coursectx, $event->get_context());
-        $expected = array($course->id, 'forum', 'search', "search.php?id={$course->id}&search={$searchterm}", $searchterm);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         $this->assertNotEmpty($event->get_name());
@@ -191,8 +189,6 @@ class events_test extends \advanced_testcase {
         // Check that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\discussion_created', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'add discussion', "discuss.php?d={$discussion->id}", $discussion->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         $this->assertNotEmpty($event->get_name());
@@ -346,8 +342,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\discussion_deleted', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'delete discussion', "view.php?id={$forum->cmid}", $forum->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         $this->assertNotEmpty($event->get_name());
@@ -455,9 +449,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\discussion_moved', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'move discussion', "discuss.php?d={$discussion->id}",
-            $discussion->id, $toforum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         $this->assertNotEmpty($event->get_name());
@@ -524,9 +515,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\discussion_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'view discussion', "discuss.php?d={$discussion->id}",
-            $discussion->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         $this->assertNotEmpty($event->get_name());
@@ -576,8 +564,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\course_module_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'view forum', "view.php?f={$forum->id}", $forum->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/view.php', array('f' => $forum->id));
         $this->assertEquals($url, $event->get_url());
         $this->assertEventContextNotUsed($event);
@@ -676,8 +662,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\subscription_created', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'subscribe', "view.php?f={$forum->id}", $forum->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/subscribers.php', array('id' => $forum->id));
         $this->assertEquals($url, $event->get_url());
         $this->assertEventContextNotUsed($event);
@@ -776,8 +760,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\subscription_deleted', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'unsubscribe', "view.php?f={$forum->id}", $forum->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/subscribers.php', array('id' => $forum->id));
         $this->assertEquals($url, $event->get_url());
         $this->assertEventContextNotUsed($event);
@@ -867,8 +849,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\readtracking_enabled', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'start tracking', "view.php?f={$forum->id}", $forum->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/view.php', array('f' => $forum->id));
         $this->assertEquals($url, $event->get_url());
         $this->assertEventContextNotUsed($event);
@@ -958,8 +938,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\readtracking_disabled', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'stop tracking', "view.php?f={$forum->id}", $forum->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/view.php', array('f' => $forum->id));
         $this->assertEquals($url, $event->get_url());
         $this->assertEventContextNotUsed($event);
@@ -1030,8 +1008,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\subscribers_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'view subscribers', "subscribers.php?id={$forum->id}", $forum->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         $this->assertNotEmpty($event->get_name());
@@ -1115,9 +1091,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\user_report_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'user report',
-            "user.php?id={$user->id}&mode=discussions&course={$course->id}", $user->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         $this->assertNotEmpty($event->get_name());
@@ -1316,9 +1289,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\post_created', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'add post', "discuss.php?d={$discussion->id}#p{$post->id}",
-            $forum->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/discuss.php', array('d' => $discussion->id));
         $url->set_anchor('p'.$event->objectid);
         $this->assertEquals($url, $event->get_url());
@@ -1369,9 +1339,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\post_created', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'add post', "view.php?f={$forum->id}#p{$post->id}",
-            $forum->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/view.php', array('f' => $forum->id));
         $url->set_anchor('p'.$event->objectid);
         $this->assertEquals($url, $event->get_url());
@@ -1577,8 +1544,6 @@ class events_test extends \advanced_testcase {
         // Check that the events contain the expected values.
         $this->assertInstanceOf('\mod_forum\event\post_deleted', $event);
         $this->assertEquals(\context_module::instance($forum->cmid), $event->get_context());
-        $expected = array($course->id, 'forum', 'delete post', "discuss.php?d={$discussion->id}", $lastpost->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/discuss.php', array('d' => $discussion->id));
         $this->assertEquals($url, $event->get_url());
         $this->assertEventContextNotUsed($event);
@@ -1597,9 +1562,6 @@ class events_test extends \advanced_testcase {
                 // Check that the event contains the expected values.
                 $this->assertEquals($event->objectid, $discussion->id);
                 $this->assertEquals(\context_module::instance($forum->cmid), $event->get_context());
-                $expected = array($course->id, 'forum', 'delete discussion', "view.php?id={$forum->cmid}",
-                    $forum->id, $forum->cmid);
-                $this->assertEventLegacyLogData($expected, $event);
                 $url = new \moodle_url('/mod/forum/view.php', array('id' => $forum->cmid));
                 $this->assertEquals($url, $event->get_url());
                 $this->assertEventContextNotUsed($event);
@@ -1610,8 +1572,6 @@ class events_test extends \advanced_testcase {
                 $this->assertInstanceOf('\mod_forum\event\post_deleted', $event);
                 $this->assertEquals($event->objectid, $post->id);
                 $this->assertEquals(\context_module::instance($forum->cmid), $event->get_context());
-                $expected = array($course->id, 'forum', 'delete post', "discuss.php?d={$discussion->id}", $post->id, $forum->cmid);
-                $this->assertEventLegacyLogData($expected, $event);
                 $url = new \moodle_url('/mod/forum/discuss.php', array('d' => $discussion->id));
                 $this->assertEquals($url, $event->get_url());
                 $this->assertEventContextNotUsed($event);
@@ -1662,8 +1622,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\post_deleted', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'delete post', "view.php?f={$forum->id}", $post->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/view.php', array('f' => $forum->id));
         $this->assertEquals($url, $event->get_url());
         $this->assertEventContextNotUsed($event);
@@ -1841,9 +1799,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\post_updated', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'update post', "discuss.php?d={$discussion->id}#p{$post->id}",
-            $post->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/discuss.php', array('d' => $discussion->id));
         $url->set_anchor('p'.$event->objectid);
         $this->assertEquals($url, $event->get_url());
@@ -1894,9 +1849,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\post_updated', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'update post', "view.php?f={$forum->id}#p{$post->id}",
-            $post->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $url = new \moodle_url('/mod/forum/view.php', array('f' => $forum->id));
         $url->set_anchor('p'.$post->id);
         $this->assertEquals($url, $event->get_url());
diff --git a/mod/forum/tests/lib_test.php b/mod/forum/tests/lib_test.php
index 1c13e3711c1..7f0cd63f43f 100644
--- a/mod/forum/tests/lib_test.php
+++ b/mod/forum/tests/lib_test.php
@@ -92,7 +92,6 @@ class lib_test extends \advanced_testcase {
         $expected->userid = $user->id;
         $expected->content = $fakepost->message;
         $expected->pathnamehashes = array($fi->get_pathnamehash());
-        $this->assertEventLegacyData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -2230,9 +2229,6 @@ class lib_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_forum\event\discussion_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'forum', 'view discussion', "discuss.php?d={$discussion->id}",
-            $discussion->id, $forum->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         $this->assertNotEmpty($event->get_name());
diff --git a/mod/glossary/classes/event/category_created.php b/mod/glossary/classes/event/category_created.php
index 56a644612c5..34804c6bcb0 100644
--- a/mod/glossary/classes/event/category_created.php
+++ b/mod/glossary/classes/event/category_created.php
@@ -72,17 +72,6 @@ class category_created extends \core\event\base {
                 array('id' => $this->contextinstanceid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'glossary', 'add category',
-            "editcategories.php?id={$this->contextinstanceid}",
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/glossary/classes/event/category_deleted.php b/mod/glossary/classes/event/category_deleted.php
index 3b25a4699b9..2151bc06f73 100644
--- a/mod/glossary/classes/event/category_deleted.php
+++ b/mod/glossary/classes/event/category_deleted.php
@@ -72,17 +72,6 @@ class category_deleted extends \core\event\base {
                 array('id' => $this->contextinstanceid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'glossary', 'delete category',
-            "editcategories.php?id={$this->contextinstanceid}",
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/glossary/classes/event/category_updated.php b/mod/glossary/classes/event/category_updated.php
index 887123d48ed..4e25b253d40 100644
--- a/mod/glossary/classes/event/category_updated.php
+++ b/mod/glossary/classes/event/category_updated.php
@@ -72,17 +72,6 @@ class category_updated extends \core\event\base {
                 array('id' => $this->contextinstanceid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'glossary', 'edit category',
-            "editcategories.php?id={$this->contextinstanceid}",
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/glossary/classes/event/course_module_viewed.php b/mod/glossary/classes/event/course_module_viewed.php
index 33680aa5da6..a3365a2582a 100644
--- a/mod/glossary/classes/event/course_module_viewed.php
+++ b/mod/glossary/classes/event/course_module_viewed.php
@@ -63,18 +63,6 @@ class course_module_viewed extends \core\event\course_module_viewed {
         return new \moodle_url("/mod/$this->objecttable/view.php", $params);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    public function get_legacy_logdata() {
-        // In moodle 2.6 and below the url was logged incorrectly, always having tab=-1 .
-        return array($this->courseid, $this->objecttable, 'view',
-            'view.php?id=' . $this->contextinstanceid . '&tab=-1',
-            $this->objectid, $this->contextinstanceid);
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'glossary', 'restore' => 'glossary');
     }
diff --git a/mod/glossary/classes/event/entry_approved.php b/mod/glossary/classes/event/entry_approved.php
index 38bae26cf49..85567d36606 100644
--- a/mod/glossary/classes/event/entry_approved.php
+++ b/mod/glossary/classes/event/entry_approved.php
@@ -74,17 +74,6 @@ class entry_approved extends \core\event\base {
                     'hook' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'glossary', 'approve entry',
-            "showentry.php?id={$this->contextinstanceid}&eid={$this->objectid}",
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/glossary/classes/event/entry_created.php b/mod/glossary/classes/event/entry_created.php
index fba39d75a19..ea098a0f402 100644
--- a/mod/glossary/classes/event/entry_created.php
+++ b/mod/glossary/classes/event/entry_created.php
@@ -80,17 +80,6 @@ class entry_created extends \core\event\base {
                     'hook' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'glossary', 'add entry',
-            "view.php?id={$this->contextinstanceid}&mode=entry&hook={$this->objectid}",
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/glossary/classes/event/entry_deleted.php b/mod/glossary/classes/event/entry_deleted.php
index 7721668d17b..c1e0292e658 100644
--- a/mod/glossary/classes/event/entry_deleted.php
+++ b/mod/glossary/classes/event/entry_deleted.php
@@ -87,24 +87,6 @@ class entry_deleted extends \core\event\base {
         return new \moodle_url("/mod/glossary/view.php", $params);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    public function get_legacy_logdata() {
-        $hook = $mode = '';
-        if (isset($this->other['hook'])) {
-            $hook = $this->other['hook'];
-        }
-        if (isset($this->other['mode'])) {
-            $mode = $this->other['mode'];
-        }
-        return array($this->courseid, 'glossary', 'delete entry',
-            "view.php?id={$this->contextinstanceid}&mode={$mode}&hook={$hook}",
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/glossary/classes/event/entry_disapproved.php b/mod/glossary/classes/event/entry_disapproved.php
index faa47213d2a..8e9d2cf333b 100644
--- a/mod/glossary/classes/event/entry_disapproved.php
+++ b/mod/glossary/classes/event/entry_disapproved.php
@@ -74,17 +74,6 @@ class entry_disapproved extends \core\event\base {
                     'hook' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'glossary', 'disapprove entry',
-            "showentry.php?id={$this->contextinstanceid}&eid={$this->objectid}",
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/glossary/classes/event/entry_updated.php b/mod/glossary/classes/event/entry_updated.php
index 88c10de469c..188832927de 100644
--- a/mod/glossary/classes/event/entry_updated.php
+++ b/mod/glossary/classes/event/entry_updated.php
@@ -80,17 +80,6 @@ class entry_updated extends \core\event\base {
                     'hook' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'glossary', 'update entry',
-            "view.php?id={$this->contextinstanceid}&mode=entry&hook={$this->objectid}",
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/glossary/classes/event/entry_viewed.php b/mod/glossary/classes/event/entry_viewed.php
index f04695568a5..a5f7d7971e8 100644
--- a/mod/glossary/classes/event/entry_viewed.php
+++ b/mod/glossary/classes/event/entry_viewed.php
@@ -74,17 +74,6 @@ class entry_viewed extends \core\event\base {
                 array('eid' => $this->objectid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array|null
-     */
-    public function get_legacy_logdata() {
-        return array($this->courseid, 'glossary', 'view entry',
-            "showentry.php?eid={$this->objectid}",
-            $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/glossary/tests/event/events_test.php b/mod/glossary/tests/event/events_test.php
index b039a6b230e..87b262c013e 100644
--- a/mod/glossary/tests/event/events_test.php
+++ b/mod/glossary/tests/event/events_test.php
@@ -158,9 +158,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(CONTEXT_MODULE, $event->contextlevel);
         $this->assertEquals($glossary->cmid, $event->contextinstanceid);
         $this->assertEquals($glossary->id, $event->objectid);
-        $expected = array($course->id, 'glossary', 'view', 'view.php?id=' . $glossary->cmid . '&tab=-1',
-            $glossary->id, $glossary->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEquals(new \moodle_url('/mod/glossary/view.php', array('id' => $glossary->cmid, 'mode' => $mode)), $event->get_url());
         $this->assertEventContextNotUsed($event);
     }
@@ -186,8 +183,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_glossary\event\course_module_instance_list_viewed', $event);
         $this->assertEquals(CONTEXT_COURSE, $event->contextlevel);
         $this->assertEquals($course->id, $event->contextinstanceid);
-        $expected = array($course->id, 'glossary', 'view all', 'index.php?id='.$course->id, '');
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -221,9 +216,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_glossary\event\entry_created', $event);
         $this->assertEquals(CONTEXT_MODULE, $event->contextlevel);
         $this->assertEquals($glossary->cmid, $event->contextinstanceid);
-        $expected = array($course->id, "glossary", "add entry",
-            "view.php?id={$glossary->cmid}&mode=entry&hook={$entry->id}", $entry->id, $glossary->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -257,9 +249,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_glossary\event\entry_updated', $event);
         $this->assertEquals(CONTEXT_MODULE, $event->contextlevel);
         $this->assertEquals($glossary->cmid, $event->contextinstanceid);
-        $expected = array($course->id, "glossary", "update entry",
-            "view.php?id={$glossary->cmid}&mode=entry&hook={$entry->id}", $entry->id, $glossary->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -302,9 +291,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_glossary\event\entry_deleted', $event);
         $this->assertEquals(CONTEXT_MODULE, $event->contextlevel);
         $this->assertEquals($glossary->cmid, $event->contextinstanceid);
-        $expected = array($course->id, "glossary", "delete entry",
-            "view.php?id={$glossary->cmid}&mode={$prevmode}&hook={$hook}", $entry->id, $glossary->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -339,10 +325,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_glossary\event\category_created', $event);
         $this->assertEquals(CONTEXT_MODULE, $event->contextlevel);
         $this->assertEquals($glossary->cmid, $event->contextinstanceid);
-        //add_to_log($course->id, "glossary", "add category", "editcategories.php?id=$cm->id", $cat->id,$cm->id);
-        $expected = array($course->id, "glossary", "add category",
-            "editcategories.php?id={$glossary->cmid}", $category->id, $glossary->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
         // Update category and trigger event.
@@ -364,10 +346,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_glossary\event\category_updated', $event);
         $this->assertEquals(CONTEXT_MODULE, $event->contextlevel);
         $this->assertEquals($glossary->cmid, $event->contextinstanceid);
-        //add_to_log($course->id, "glossary", "edit category", "editcategories.php?id=$cm->id", $hook,$cm->id);
-        $expected = array($course->id, "glossary", "edit category",
-            "editcategories.php?id={$glossary->cmid}", $category->id, $glossary->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
 
@@ -391,10 +369,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_glossary\event\category_deleted', $event);
         $this->assertEquals(CONTEXT_MODULE, $event->contextlevel);
         $this->assertEquals($glossary->cmid, $event->contextinstanceid);
-        //add_to_log($course->id, "glossary", "delete category", "editcategories.php?id=$cm->id", $hook,$cm->id);
-        $expected = array($course->id, "glossary", "delete category",
-            "editcategories.php?id={$glossary->cmid}", $category->id, $glossary->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -445,9 +419,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_glossary\event\entry_approved', $event);
         $this->assertEquals(CONTEXT_MODULE, $event->contextlevel);
         $this->assertEquals($glossary->cmid, $event->contextinstanceid);
-        $expected = array($course->id, "glossary", "approve entry",
-            "showentry.php?id={$glossary->cmid}&eid={$entry->id}", $entry->id, $glossary->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
 
 
@@ -474,9 +445,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_glossary\event\entry_disapproved', $event);
         $this->assertEquals(CONTEXT_MODULE, $event->contextlevel);
         $this->assertEquals($glossary->cmid, $event->contextinstanceid);
-        $expected = array($course->id, "glossary", "disapprove entry",
-            "showentry.php?id={$glossary->cmid}&eid={$entry->id}", $entry->id, $glossary->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -507,9 +475,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_glossary\event\entry_viewed', $event);
         $this->assertEquals(CONTEXT_MODULE, $event->contextlevel);
         $this->assertEquals($glossary->cmid, $event->contextinstanceid);
-        $expected = array($course->id, "glossary", "view entry",
-            "showentry.php?eid={$entry->id}", $entry->id, $glossary->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 }
diff --git a/mod/h5pactivity/tests/event/course_module_instance_list_viewed_test.php b/mod/h5pactivity/tests/event/course_module_instance_list_viewed_test.php
index f587a7a8a13..545bab2b62f 100644
--- a/mod/h5pactivity/tests/event/course_module_instance_list_viewed_test.php
+++ b/mod/h5pactivity/tests/event/course_module_instance_list_viewed_test.php
@@ -64,8 +64,6 @@ class course_module_instance_list_viewed_test extends advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_h5pactivity\event\course_module_instance_list_viewed', $event);
         $this->assertEquals(context_course::instance($course->id), $event->get_context());
-        $expected = [$course->id, 'h5pactivity', 'view all', 'index.php?id='.$course->id, ''];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 }
diff --git a/mod/h5pactivity/tests/event/course_module_viewed_test.php b/mod/h5pactivity/tests/event/course_module_viewed_test.php
index 8426db7dcc6..acad09525aa 100644
--- a/mod/h5pactivity/tests/event/course_module_viewed_test.php
+++ b/mod/h5pactivity/tests/event/course_module_viewed_test.php
@@ -68,8 +68,6 @@ class course_module_viewed_test extends advanced_testcase {
         $this->assertInstanceOf('\mod_h5pactivity\event\course_module_viewed', $event);
         $this->assertEquals(context_module::instance($activity->cmid), $event->get_context());
         $this->assertEquals($activity->id, $event->objectid);
-        $expected = [$course->id, 'h5pactivity', 'view', 'view.php?id=' . $activity->cmid, $activity->id, $activity->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 }
diff --git a/mod/lesson/classes/event/essay_assessed.php b/mod/lesson/classes/event/essay_assessed.php
index 92079ac4e89..33e4e4d07be 100644
--- a/mod/lesson/classes/event/essay_assessed.php
+++ b/mod/lesson/classes/event/essay_assessed.php
@@ -64,17 +64,6 @@ class essay_assessed extends \core\event\base {
             "recorded a mark '$this->objectid' in the lesson with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return legacy data for add_to_log().
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $lesson = $this->get_record_snapshot('lesson', $this->other['lessonid']);
-        return array($this->courseid, 'lesson', 'update grade', 'essay.php?id=' .
-                $this->contextinstanceid, $lesson->name, $this->contextinstanceid);
-    }
-
     /**
      * Return localised event name.
      *
diff --git a/mod/lesson/classes/event/essay_attempt_viewed.php b/mod/lesson/classes/event/essay_attempt_viewed.php
index 1af109f0bd9..0241f2e2337 100644
--- a/mod/lesson/classes/event/essay_attempt_viewed.php
+++ b/mod/lesson/classes/event/essay_attempt_viewed.php
@@ -74,16 +74,6 @@ class essay_attempt_viewed extends \core\event\base {
             "the attempt with id '$this->objectid' for the lesson activity with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'lesson', 'view grade', 'essay.php?id=' . $this->contextinstanceid . '&mode=grade&attemptid='
-            . $this->objectid, get_string('manualgrading', 'lesson'), $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/lesson/classes/event/highscore_added.php b/mod/lesson/classes/event/highscore_added.php
index 25d61bebc94..a30f9df2f4b 100644
--- a/mod/lesson/classes/event/highscore_added.php
+++ b/mod/lesson/classes/event/highscore_added.php
@@ -84,16 +84,6 @@ class highscore_added extends \core\event\base {
             "id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'lesson', 'update highscores', 'highscores.php?id=' . $this->contextinstanceid,
-            $this->other['nickname'], $this->contextinstanceid);
-    }
-
     /**
      * Custom validations.
      *
diff --git a/mod/lesson/classes/event/highscores_viewed.php b/mod/lesson/classes/event/highscores_viewed.php
index 91fa720cd22..9173a50698a 100644
--- a/mod/lesson/classes/event/highscores_viewed.php
+++ b/mod/lesson/classes/event/highscores_viewed.php
@@ -76,18 +76,6 @@ class highscores_viewed extends \core\event\base {
             "id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        $lesson = $this->get_record_snapshot('lesson', $this->objectid);
-
-        return array($this->courseid, 'lesson', 'view highscores', 'highscores.php?id=' . $this->contextinstanceid,
-            $lesson->name, $this->contextinstanceid);
-    }
-
     public static function get_objectid_mapping() {
         // The 'highscore' functionality was removed from core.
         return false;
diff --git a/mod/lesson/classes/event/lesson_ended.php b/mod/lesson/classes/event/lesson_ended.php
index e090a789f86..e8bfde2704f 100644
--- a/mod/lesson/classes/event/lesson_ended.php
+++ b/mod/lesson/classes/event/lesson_ended.php
@@ -73,16 +73,6 @@ class lesson_ended extends \core\event\base {
         return "The user with id '$this->userid' ended the lesson with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'lesson', 'end', 'view.php?id=' . $this->contextinstanceid, $this->objectid,
-            $this->contextinstanceid);
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'lesson', 'restore' => 'lesson');
     }
diff --git a/mod/lesson/classes/event/lesson_started.php b/mod/lesson/classes/event/lesson_started.php
index 204d0ce7798..a55997fe3a3 100644
--- a/mod/lesson/classes/event/lesson_started.php
+++ b/mod/lesson/classes/event/lesson_started.php
@@ -72,16 +72,6 @@ class lesson_started extends \core\event\base {
         return "The user with id '$this->userid' started the lesson with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Replace add_to_log() statement.
-     *
-     * @return array of parameters to be passed to legacy add_to_log() function.
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'lesson', 'start', 'view.php?id=' . $this->contextinstanceid,
-            $this->objectid, $this->contextinstanceid);
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'lesson', 'restore' => 'lesson');
     }
diff --git a/mod/lesson/tests/event/events_test.php b/mod/lesson/tests/event/events_test.php
index e753b8abf67..24bfc74cc59 100644
--- a/mod/lesson/tests/event/events_test.php
+++ b/mod/lesson/tests/event/events_test.php
@@ -197,9 +197,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_lesson\event\essay_attempt_viewed', $event);
         $this->assertEquals(\context_module::instance($this->lesson->properties()->cmid), $event->get_context());
-        $expected = array($this->course->id, 'lesson', 'view grade', 'essay.php?id=' . $this->lesson->properties()->cmid .
-            '&mode=grade&attemptid='.$this->lesson->id, get_string('manualgrading', 'lesson'), $this->lesson->properties()->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -216,9 +213,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_lesson\event\lesson_started', $event);
         $this->assertEquals(\context_module::instance($this->lesson->properties()->cmid), $event->get_context());
-        $expected = array($this->course->id, 'lesson', 'start', 'view.php?id=' . $this->lesson->properties()->cmid,
-            $this->lesson->properties()->id, $this->lesson->properties()->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -290,9 +284,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_lesson\event\lesson_ended', $event);
         $this->assertEquals(\context_module::instance($this->lesson->properties()->cmid), $event->get_context());
-        $expected = array($this->course->id, 'lesson', 'end', 'view.php?id=' . $this->lesson->properties()->cmid,
-            $this->lesson->properties()->id, $this->lesson->properties()->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -326,9 +317,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_lesson\event\essay_assessed', $event);
         $this->assertEquals(\context_module::instance($this->lesson->properties()->cmid), $event->get_context());
-        $expected = array($this->course->id, 'lesson', 'update grade', 'essay.php?id=' . $this->lesson->properties()->cmid,
-                $this->lesson->name, $this->lesson->properties()->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/mod/lti/classes/event/unknown_service_api_called.php b/mod/lti/classes/event/unknown_service_api_called.php
index 6dd453dc689..962c826ed57 100644
--- a/mod/lti/classes/event/unknown_service_api_called.php
+++ b/mod/lti/classes/event/unknown_service_api_called.php
@@ -87,23 +87,4 @@ class unknown_service_api_called extends \core\event\base {
     public static function get_name() {
         return get_string('ltiunknownserviceapicall', 'mod_lti');
     }
-
-    /**
-     * Does this event replace a legacy event?
-     *
-     * @return null|string legacy event name
-     */
-    public static function get_legacy_eventname() {
-        return 'lti_unknown_service_api_call';
-    }
-
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return mixed
-     */
-    protected function get_legacy_eventdata() {
-        return $this->eventdata;
-    }
-
 }
diff --git a/mod/quiz/classes/event/attempt_abandoned.php b/mod/quiz/classes/event/attempt_abandoned.php
index b6435cf19b8..bd129c0e348 100644
--- a/mod/quiz/classes/event/attempt_abandoned.php
+++ b/mod/quiz/classes/event/attempt_abandoned.php
@@ -69,15 +69,6 @@ class attempt_abandoned extends \core\event\base {
         return get_string('eventquizattemptabandoned', 'mod_quiz');
     }
 
-    /**
-     * Does this event replace a legacy event?
-     *
-     * @return string legacy event name
-     */
-    static public function get_legacy_eventname() {
-        return 'quiz_attempt_abandoned';
-    }
-
     /**
      * Returns relevant URL.
      *
@@ -87,28 +78,6 @@ class attempt_abandoned extends \core\event\base {
         return new \moodle_url('/mod/quiz/review.php', ['attempt' => $this->objectid]);
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $attempt = $this->get_record_snapshot('quiz_attempts', $this->objectid);
-
-        $legacyeventdata = new \stdClass();
-        $legacyeventdata->component = 'mod_quiz';
-        $legacyeventdata->attemptid = $this->objectid;
-        $legacyeventdata->timestamp = $attempt->timemodified;
-        $legacyeventdata->userid = $this->relateduserid;
-        $legacyeventdata->quizid = $attempt->quiz;
-        $legacyeventdata->cmid = $this->contextinstanceid;
-        $legacyeventdata->courseid = $this->courseid;
-        $legacyeventdata->submitterid = $this->other['submitterid'];
-
-        return $legacyeventdata;
-
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/attempt_becameoverdue.php b/mod/quiz/classes/event/attempt_becameoverdue.php
index b4298da02b4..1ec54603f25 100644
--- a/mod/quiz/classes/event/attempt_becameoverdue.php
+++ b/mod/quiz/classes/event/attempt_becameoverdue.php
@@ -72,15 +72,6 @@ class attempt_becameoverdue extends \core\event\base {
         return get_string('eventquizattempttimelimitexceeded', 'mod_quiz');
     }
 
-    /**
-     * Does this event replace a legacy event?
-     *
-     * @return string legacy event name
-     */
-    static public function get_legacy_eventname() {
-        return 'quiz_attempt_overdue';
-    }
-
     /**
      * Returns relevant URL.
      *
@@ -90,27 +81,6 @@ class attempt_becameoverdue extends \core\event\base {
         return new \moodle_url('/mod/quiz/review.php', ['attempt' => $this->objectid]);
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $attempt = $this->get_record_snapshot('quiz_attempts', $this->objectid);
-
-        $legacyeventdata = new \stdClass();
-        $legacyeventdata->component = 'mod_quiz';
-        $legacyeventdata->attemptid = $this->objectid;
-        $legacyeventdata->timestamp = $attempt->timemodified;
-        $legacyeventdata->userid = $this->relateduserid;
-        $legacyeventdata->quizid = $attempt->quiz;
-        $legacyeventdata->cmid = $this->contextinstanceid;
-        $legacyeventdata->courseid = $this->courseid;
-        $legacyeventdata->submitterid = $this->other['submitterid'];
-
-        return $legacyeventdata;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/attempt_deleted.php b/mod/quiz/classes/event/attempt_deleted.php
index c656f7c1162..537090b67e3 100644
--- a/mod/quiz/classes/event/attempt_deleted.php
+++ b/mod/quiz/classes/event/attempt_deleted.php
@@ -78,16 +78,6 @@ class attempt_deleted extends \core\event\base {
         return new \moodle_url('/mod/quiz/report.php', ['id' => $this->contextinstanceid]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'delete attempt', 'report.php?id=' . $this->contextinstanceid,
-            $this->objectid, $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/attempt_preview_started.php b/mod/quiz/classes/event/attempt_preview_started.php
index 5565dec8bb5..6f3d5b1930b 100644
--- a/mod/quiz/classes/event/attempt_preview_started.php
+++ b/mod/quiz/classes/event/attempt_preview_started.php
@@ -79,16 +79,6 @@ class attempt_preview_started extends \core\event\base {
         return new \moodle_url('/mod/quiz/view.php', ['id' => $this->contextinstanceid]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'preview', 'view.php?id=' . $this->contextinstanceid,
-            $this->other['quizid'],  $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/attempt_reviewed.php b/mod/quiz/classes/event/attempt_reviewed.php
index 3bca6d11f83..99833c98197 100644
--- a/mod/quiz/classes/event/attempt_reviewed.php
+++ b/mod/quiz/classes/event/attempt_reviewed.php
@@ -78,16 +78,6 @@ class attempt_reviewed extends \core\event\base {
         return new \moodle_url('/mod/quiz/review.php', ['attempt' => $this->objectid]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'review', 'review.php?attempt=' . $this->objectid,
-            $this->other['quizid'], $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/attempt_started.php b/mod/quiz/classes/event/attempt_started.php
index 681c4bb6c90..20dc3a51e09 100644
--- a/mod/quiz/classes/event/attempt_started.php
+++ b/mod/quiz/classes/event/attempt_started.php
@@ -68,15 +68,6 @@ class attempt_started extends \core\event\base {
         return get_string('eventquizattemptstarted', 'mod_quiz');
     }
 
-    /**
-     * Does this event replace a legacy event?
-     *
-     * @return string legacy event name
-     */
-    static public function get_legacy_eventname() {
-        return 'quiz_attempt_started';
-    }
-
     /**
      * Returns relevant URL.
      *
@@ -86,39 +77,6 @@ class attempt_started extends \core\event\base {
         return new \moodle_url('/mod/quiz/review.php', ['attempt' => $this->objectid]);
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $attempt = $this->get_record_snapshot('quiz_attempts', $this->objectid);
-
-        $legacyeventdata = new \stdClass();
-        $legacyeventdata->component = 'mod_quiz';
-        $legacyeventdata->attemptid = $attempt->id;
-        $legacyeventdata->timestart = $attempt->timestart;
-        $legacyeventdata->timestamp = $attempt->timestart;
-        $legacyeventdata->userid = $this->relateduserid;
-        $legacyeventdata->quizid = $attempt->quiz;
-        $legacyeventdata->cmid = $this->contextinstanceid;
-        $legacyeventdata->courseid = $this->courseid;
-
-        return $legacyeventdata;
-    }
-
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $attempt = $this->get_record_snapshot('quiz_attempts', $this->objectid);
-
-        return [$this->courseid, 'quiz', 'attempt', 'review.php?attempt=' . $this->objectid,
-            $attempt->quiz, $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/attempt_submitted.php b/mod/quiz/classes/event/attempt_submitted.php
index 3c186ca125b..9c7cce554cd 100644
--- a/mod/quiz/classes/event/attempt_submitted.php
+++ b/mod/quiz/classes/event/attempt_submitted.php
@@ -70,15 +70,6 @@ class attempt_submitted extends \core\event\base {
         return get_string('eventquizattemptsubmitted', 'mod_quiz');
     }
 
-    /**
-     * Does this event replace a legacy event?
-     *
-     * @return string legacy event name
-     */
-    static public function get_legacy_eventname() {
-        return 'quiz_attempt_submitted';
-    }
-
     /**
      * Returns relevant URL.
      *
@@ -88,28 +79,6 @@ class attempt_submitted extends \core\event\base {
         return new \moodle_url('/mod/quiz/review.php', ['attempt' => $this->objectid]);
     }
 
-    /**
-     * Legacy event data if get_legacy_eventname() is not empty.
-     *
-     * @return \stdClass
-     */
-    protected function get_legacy_eventdata() {
-        $attempt = $this->get_record_snapshot('quiz_attempts', $this->objectid);
-
-        $legacyeventdata = new \stdClass();
-        $legacyeventdata->component = 'mod_quiz';
-        $legacyeventdata->attemptid = $this->objectid;
-        $legacyeventdata->timestamp = $attempt->timefinish;
-        $legacyeventdata->userid = $this->relateduserid;
-        $legacyeventdata->quizid = $attempt->quiz;
-        $legacyeventdata->cmid = $this->contextinstanceid;
-        $legacyeventdata->courseid = $this->courseid;
-        $legacyeventdata->submitterid = $this->other['submitterid'];
-        $legacyeventdata->timefinish = $attempt->timefinish;
-
-        return $legacyeventdata;
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/attempt_summary_viewed.php b/mod/quiz/classes/event/attempt_summary_viewed.php
index b08e2e14a37..31b4d8566c7 100644
--- a/mod/quiz/classes/event/attempt_summary_viewed.php
+++ b/mod/quiz/classes/event/attempt_summary_viewed.php
@@ -81,16 +81,6 @@ class attempt_summary_viewed extends \core\event\base {
         return new \moodle_url('/mod/quiz/summary.php', ['attempt' => $this->objectid]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'view summary', 'summary.php?attempt=' . $this->objectid,
-            $this->other['quizid'], $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/attempt_viewed.php b/mod/quiz/classes/event/attempt_viewed.php
index 05c34b7d1e7..60b64f6b407 100644
--- a/mod/quiz/classes/event/attempt_viewed.php
+++ b/mod/quiz/classes/event/attempt_viewed.php
@@ -85,16 +85,6 @@ class attempt_viewed extends \core\event\base {
         ]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'continue attempt', 'review.php?attempt=' . $this->objectid,
-            $this->other['quizid'], $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/edit_page_viewed.php b/mod/quiz/classes/event/edit_page_viewed.php
index 2d102b4e5d1..1a2dd294f5c 100644
--- a/mod/quiz/classes/event/edit_page_viewed.php
+++ b/mod/quiz/classes/event/edit_page_viewed.php
@@ -78,16 +78,6 @@ class edit_page_viewed extends \core\event\base {
         return new \moodle_url('/mod/quiz/edit.php', ['cmid' => $this->contextinstanceid]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'editquestions', 'view.php?id=' . $this->contextinstanceid,
-            $this->other['quizid'], $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/group_override_deleted.php b/mod/quiz/classes/event/group_override_deleted.php
index 9ae146d8877..584c703859f 100644
--- a/mod/quiz/classes/event/group_override_deleted.php
+++ b/mod/quiz/classes/event/group_override_deleted.php
@@ -79,16 +79,6 @@ class group_override_deleted extends \core\event\base {
         return new \moodle_url('/mod/quiz/overrides.php', ['cmid' => $this->contextinstanceid]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'delete override', 'overrides.php?cmid=' . $this->contextinstanceid,
-            $this->other['quizid'], $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/group_override_updated.php b/mod/quiz/classes/event/group_override_updated.php
index d60fc19f327..439830ab941 100644
--- a/mod/quiz/classes/event/group_override_updated.php
+++ b/mod/quiz/classes/event/group_override_updated.php
@@ -79,16 +79,6 @@ class group_override_updated extends \core\event\base {
         return new \moodle_url('/mod/quiz/overrideedit.php', ['id' => $this->objectid]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'edit override', 'overrideedit.php?id=' . $this->objectid, $this->other['quizid'],
-            $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/question_manually_graded.php b/mod/quiz/classes/event/question_manually_graded.php
index f769181da1e..7f0b668f9f5 100644
--- a/mod/quiz/classes/event/question_manually_graded.php
+++ b/mod/quiz/classes/event/question_manually_graded.php
@@ -81,16 +81,6 @@ class question_manually_graded extends \core\event\base {
             'slot' => $this->other['slot']]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'manualgrade', 'comment.php?attempt=' . $this->other['attemptid'] .
-            '&slot=' . $this->other['slot'], $this->other['quizid'], $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/report_viewed.php b/mod/quiz/classes/event/report_viewed.php
index f8c32e03dc0..6523c123ba1 100644
--- a/mod/quiz/classes/event/report_viewed.php
+++ b/mod/quiz/classes/event/report_viewed.php
@@ -82,16 +82,6 @@ class report_viewed extends \core\event\base {
             'mode' => $this->other['reportname']]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'report', 'report.php?id=' . $this->contextinstanceid . '&mode=' .
-            $this->other['reportname'], $this->other['quizid'], $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/user_override_deleted.php b/mod/quiz/classes/event/user_override_deleted.php
index c6bed782fa1..0ccbd09a894 100644
--- a/mod/quiz/classes/event/user_override_deleted.php
+++ b/mod/quiz/classes/event/user_override_deleted.php
@@ -78,16 +78,6 @@ class user_override_deleted extends \core\event\base {
         return new \moodle_url('/mod/quiz/overrides.php', ['cmid' => $this->contextinstanceid]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'delete override', 'overrides.php?cmid=' . $this->contextinstanceid,
-            $this->other['quizid'], $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/classes/event/user_override_updated.php b/mod/quiz/classes/event/user_override_updated.php
index d801d2bfab5..465302456bb 100644
--- a/mod/quiz/classes/event/user_override_updated.php
+++ b/mod/quiz/classes/event/user_override_updated.php
@@ -79,16 +79,6 @@ class user_override_updated extends \core\event\base {
         return new \moodle_url('/mod/quiz/overrideedit.php', ['id' => $this->objectid]);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return [$this->courseid, 'quiz', 'edit override', 'overrideedit.php?id=' . $this->objectid, $this->other['quizid'],
-            $this->contextinstanceid];
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/quiz/tests/event/events_test.php b/mod/quiz/tests/event/events_test.php
index ae5dab4d5f7..983f6af3361 100644
--- a/mod/quiz/tests/event/events_test.php
+++ b/mod/quiz/tests/event/events_test.php
@@ -129,19 +129,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($quizobj->get_context(), $event->get_context());
         $this->assertEquals($attempt->userid, $event->relateduserid);
         $this->assertEquals(null, $event->other['submitterid']); // Should be the user, but PHP Unit complains...
-        $this->assertEquals('quiz_attempt_submitted', $event->get_legacy_eventname());
-        $legacydata = new \stdClass();
-        $legacydata->component = 'mod_quiz';
-        $legacydata->attemptid = (string) $attempt->id;
-        $legacydata->timestamp = $timefinish;
-        $legacydata->userid = $attempt->userid;
-        $legacydata->cmid = $quizobj->get_cmid();
-        $legacydata->courseid = $quizobj->get_courseid();
-        $legacydata->quizid = $quizobj->get_quizid();
-        // Submitterid should be the user, but as we are in PHP Unit, CLI_SCRIPT is set to true which sets null in submitterid.
-        $legacydata->submitterid = null;
-        $legacydata->timefinish = $timefinish;
-        $this->assertEventLegacyData($legacydata, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -166,17 +153,6 @@ class events_test extends \advanced_testcase {
         $this->assertNotEmpty($event->get_description());
         // Submitterid should be the user, but as we are in PHP Unit, CLI_SCRIPT is set to true which sets null in submitterid.
         $this->assertEquals(null, $event->other['submitterid']);
-        $this->assertEquals('quiz_attempt_overdue', $event->get_legacy_eventname());
-        $legacydata = new \stdClass();
-        $legacydata->component = 'mod_quiz';
-        $legacydata->attemptid = (string) $attempt->id;
-        $legacydata->timestamp = $timefinish;
-        $legacydata->userid = $attempt->userid;
-        $legacydata->cmid = $quizobj->get_cmid();
-        $legacydata->courseid = $quizobj->get_courseid();
-        $legacydata->quizid = $quizobj->get_quizid();
-        $legacydata->submitterid = null; // Should be the user, but PHP Unit complains...
-        $this->assertEventLegacyData($legacydata, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -200,17 +176,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($attempt->userid, $event->relateduserid);
         // Submitterid should be the user, but as we are in PHP Unit, CLI_SCRIPT is set to true which sets null in submitterid.
         $this->assertEquals(null, $event->other['submitterid']);
-        $this->assertEquals('quiz_attempt_abandoned', $event->get_legacy_eventname());
-        $legacydata = new \stdClass();
-        $legacydata->component = 'mod_quiz';
-        $legacydata->attemptid = (string) $attempt->id;
-        $legacydata->timestamp = $timefinish;
-        $legacydata->userid = $attempt->userid;
-        $legacydata->cmid = $quizobj->get_cmid();
-        $legacydata->courseid = $quizobj->get_courseid();
-        $legacydata->quizid = $quizobj->get_quizid();
-        $legacydata->submitterid = null; // Should be the user, but PHP Unit complains...
-        $this->assertEventLegacyData($legacydata, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -236,24 +201,7 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($attempt->id, $event->objectid);
         $this->assertEquals($attempt->userid, $event->relateduserid);
         $this->assertEquals($quizobj->get_context(), $event->get_context());
-        $this->assertEquals('quiz_attempt_started', $event->get_legacy_eventname());
         $this->assertEquals(\context_module::instance($quizobj->get_cmid()), $event->get_context());
-        // Check legacy log data.
-        $expected = [$quizobj->get_courseid(), 'quiz', 'attempt', 'review.php?attempt=' . $attempt->id,
-            $quizobj->get_quizid(), $quizobj->get_cmid()];
-        $this->assertEventLegacyLogData($expected, $event);
-        // Check legacy event data.
-        $legacydata = new \stdClass();
-        $legacydata->component = 'mod_quiz';
-        $legacydata->attemptid = $attempt->id;
-        $legacydata->timestart = $attempt->timestart;
-        $legacydata->timestamp = $attempt->timestart;
-        $legacydata->userid = $attempt->userid;
-        $legacydata->quizid = $quizobj->get_quizid();
-        $legacydata->cmid = $quizobj->get_cmid();
-        $legacydata->courseid = $quizobj->get_courseid();
-        $this->assertEventLegacyData($legacydata, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -389,8 +337,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\edit_page_viewed', $event);
         $this->assertEquals(\context_module::instance($quiz->cmid), $event->get_context());
-        $expected = [$course->id, 'quiz', 'editquestions', 'view.php?id=' . $quiz->cmid, $quiz->id, $quiz->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -409,9 +355,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\attempt_deleted', $event);
         $this->assertEquals(\context_module::instance($quizobj->get_cmid()), $event->get_context());
-        $expected = [$quizobj->get_courseid(), 'quiz', 'delete attempt', 'report.php?id=' . $quizobj->get_cmid(),
-            $attempt->id, $quizobj->get_cmid()];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -461,9 +404,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\report_viewed', $event);
         $this->assertEquals(\context_module::instance($quiz->cmid), $event->get_context());
-        $expected = [$course->id, 'quiz', 'report', 'report.php?id=' . $quiz->cmid . '&mode=overview',
-            $quiz->id, $quiz->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -500,8 +440,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\attempt_reviewed', $event);
         $this->assertEquals(\context_module::instance($quiz->cmid), $event->get_context());
-        $expected = [$course->id, 'quiz', 'review', 'review.php?attempt=1', $quiz->id, $quiz->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -538,8 +476,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\attempt_summary_viewed', $event);
         $this->assertEquals(\context_module::instance($quiz->cmid), $event->get_context());
-        $expected = [$course->id, 'quiz', 'view summary', 'summary.php?attempt=1', $quiz->id, $quiz->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -645,8 +581,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\user_override_updated', $event);
         $this->assertEquals(\context_module::instance($quiz->cmid), $event->get_context());
-        $expected = [$course->id, 'quiz', 'edit override', 'overrideedit.php?id=1', $quiz->id, $quiz->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -682,8 +616,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\group_override_updated', $event);
         $this->assertEquals(\context_module::instance($quiz->cmid), $event->get_context());
-        $expected = [$course->id, 'quiz', 'edit override', 'overrideedit.php?id=1', $quiz->id, $quiz->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -714,8 +646,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\user_override_deleted', $event);
         $this->assertEquals(\context_module::instance($quiz->cmid), $event->get_context());
-        $expected = [$course->id, 'quiz', 'delete override', 'overrides.php?cmid=' . $quiz->cmid, $quiz->id, $quiz->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -746,8 +676,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\group_override_deleted', $event);
         $this->assertEquals(\context_module::instance($quiz->cmid), $event->get_context());
-        $expected = [$course->id, 'quiz', 'delete override', 'overrides.php?cmid=' . $quiz->cmid, $quiz->id, $quiz->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -785,8 +713,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\attempt_viewed', $event);
         $this->assertEquals(\context_module::instance($quiz->cmid), $event->get_context());
-        $expected = [$course->id, 'quiz', 'continue attempt', 'review.php?attempt=1', $quiz->id, $quiz->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -812,9 +738,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\attempt_preview_started', $event);
         $this->assertEquals(\context_module::instance($quizobj->get_cmid()), $event->get_context());
-        $expected = [$quizobj->get_courseid(), 'quiz', 'preview', 'view.php?id=' . $quizobj->get_cmid(),
-            $quizobj->get_quizid(), $quizobj->get_cmid()];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -848,9 +771,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\mod_quiz\event\question_manually_graded', $event);
         $this->assertEquals(\context_module::instance($quizobj->get_cmid()), $event->get_context());
-        $expected = [$quizobj->get_courseid(), 'quiz', 'manualgrade', 'comment.php?attempt=2&slot=3',
-            $quizobj->get_quizid(), $quizobj->get_cmid()];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/mod/resource/tests/event/events_test.php b/mod/resource/tests/event/events_test.php
index 8ddb9acbf00..a60e695c6a0 100644
--- a/mod/resource/tests/event/events_test.php
+++ b/mod/resource/tests/event/events_test.php
@@ -66,8 +66,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_resource\event\course_module_instance_list_viewed', $event);
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
-        $expected = array($course->id, 'resource', 'view all', 'index.php?id='.$course->id, '');
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -98,8 +96,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_resource\event\course_module_viewed', $event);
         $this->assertEquals(\context_module::instance($resource->cmid), $event->get_context());
         $this->assertEquals($resource->id, $event->objectid);
-        $expected = array($course->id, 'resource', 'view', 'view.php?id=' . $resource->cmid, $resource->id, $resource->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 }
diff --git a/mod/survey/classes/event/course_module_viewed.php b/mod/survey/classes/event/course_module_viewed.php
index 6fcb582e3df..e51c902d31b 100644
--- a/mod/survey/classes/event/course_module_viewed.php
+++ b/mod/survey/classes/event/course_module_viewed.php
@@ -51,16 +51,6 @@ class course_module_viewed extends \core\event\course_module_viewed {
         $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, $this->objecttable, 'view '. $this->other['viewed'], 'view.php?id=' .
-            $this->contextinstanceid, $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/survey/classes/event/report_downloaded.php b/mod/survey/classes/event/report_downloaded.php
index 62f9f92e3b2..80af6347e2a 100644
--- a/mod/survey/classes/event/report_downloaded.php
+++ b/mod/survey/classes/event/report_downloaded.php
@@ -83,15 +83,6 @@ class report_downloaded extends \core\event\base {
         return new \moodle_url("/mod/survey/download.php", $params);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, "survey", "download", $this->get_url(), $this->objectid, $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/survey/classes/event/report_viewed.php b/mod/survey/classes/event/report_viewed.php
index a9a44b4b036..605836e5ae3 100644
--- a/mod/survey/classes/event/report_viewed.php
+++ b/mod/survey/classes/event/report_viewed.php
@@ -84,16 +84,6 @@ class report_viewed extends \core\event\base {
         return new \moodle_url("/mod/survey/report.php", $params);
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, "survey", "view report", "report.php?id=" . $this->contextinstanceid, $this->objectid,
-                     $this->contextinstanceid);
-    }
-
     public static function get_objectid_mapping() {
         return array('db' => 'survey', 'restore' => 'survey');
     }
diff --git a/mod/survey/classes/event/response_submitted.php b/mod/survey/classes/event/response_submitted.php
index 9d748f422dc..d2638ff68f0 100644
--- a/mod/survey/classes/event/response_submitted.php
+++ b/mod/survey/classes/event/response_submitted.php
@@ -77,16 +77,6 @@ class response_submitted extends \core\event\base {
         return new \moodle_url("/mod/survey/view.php", array('id' => $this->contextinstanceid));
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, "survey", "submit", "view.php?id=" . $this->contextinstanceid, $this->other['surveyid'],
-                     $this->contextinstanceid);
-    }
-
     /**
      * Custom validation.
      *
diff --git a/mod/survey/tests/event/events_test.php b/mod/survey/tests/event/events_test.php
index 74e169892d6..cf5bd501c80 100644
--- a/mod/survey/tests/event/events_test.php
+++ b/mod/survey/tests/event/events_test.php
@@ -69,9 +69,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_survey\event\report_downloaded', $event);
         $this->assertEquals(\context_module::instance($survey->cmid), $event->get_context());
         $this->assertEquals($survey->id, $event->objectid);
-        $url = new \moodle_url('/mod/survey/download.php', array('id' => $survey->cmid, 'type' => 'xls'));
-        $expected = array($course->id, "survey", "download", $url->out(), $survey->id, $survey->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -103,9 +100,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_survey\event\report_viewed', $event);
         $this->assertEquals(\context_module::instance($survey->cmid), $event->get_context());
         $this->assertEquals($survey->id, $event->objectid);
-        $expected = array($course->id, "survey", "view report", 'report.php?id=' . $survey->cmid, $survey->id, $survey->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -136,8 +130,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_survey\event\response_submitted', $event);
         $this->assertEquals(\context_module::instance($survey->cmid), $event->get_context());
         $this->assertEquals($survey->id, $event->other['surveyid']);
-        $expected = array($course->id, "survey", "submit", 'view.php?id=' . $survey->cmid, $survey->id, $survey->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 }
diff --git a/mod/wiki/classes/event/comments_viewed.php b/mod/wiki/classes/event/comments_viewed.php
index 9d18302bd3c..59c75f5ceaa 100644
--- a/mod/wiki/classes/event/comments_viewed.php
+++ b/mod/wiki/classes/event/comments_viewed.php
@@ -55,16 +55,6 @@ class comments_viewed extends \core\event\comments_viewed {
             "with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'comments',
-            'comments.php?pageid=' . $this->objectid, $this->objectid, $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_created.php b/mod/wiki/classes/event/page_created.php
index 9b97a94e750..4482ffec109 100644
--- a/mod/wiki/classes/event/page_created.php
+++ b/mod/wiki/classes/event/page_created.php
@@ -64,16 +64,6 @@ class page_created extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'add page',
-            'view.php?pageid=' . $this->objectid, $this->objectid, $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_deleted.php b/mod/wiki/classes/event/page_deleted.php
index 52eed433370..4067d4c3dc2 100644
--- a/mod/wiki/classes/event/page_deleted.php
+++ b/mod/wiki/classes/event/page_deleted.php
@@ -70,16 +70,6 @@ class page_deleted extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'admin', 'admin.php?pageid=' . $this->objectid, $this->objectid,
-            $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_diff_viewed.php b/mod/wiki/classes/event/page_diff_viewed.php
index 8d43c1352b0..e0348a5b044 100644
--- a/mod/wiki/classes/event/page_diff_viewed.php
+++ b/mod/wiki/classes/event/page_diff_viewed.php
@@ -71,17 +71,6 @@ class page_diff_viewed extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'diff', 'diff.php?pageid=' . $this->objectid . '&comparewith=' .
-            $this->other['comparewith'] . '&compare=' .  $this->other['compare'], $this->objectid,
-            $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_history_viewed.php b/mod/wiki/classes/event/page_history_viewed.php
index 52af74d77e5..1d22570f5a1 100644
--- a/mod/wiki/classes/event/page_history_viewed.php
+++ b/mod/wiki/classes/event/page_history_viewed.php
@@ -64,16 +64,6 @@ class page_history_viewed extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'history',
-            'history.php?pageid=' . $this->objectid, $this->objectid, $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_locks_deleted.php b/mod/wiki/classes/event/page_locks_deleted.php
index cf81976b27d..e7f20e88784 100644
--- a/mod/wiki/classes/event/page_locks_deleted.php
+++ b/mod/wiki/classes/event/page_locks_deleted.php
@@ -70,16 +70,6 @@ class page_locks_deleted extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'overridelocks', 'view.php?pageid=' . $this->objectid, $this->objectid,
-            $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_map_viewed.php b/mod/wiki/classes/event/page_map_viewed.php
index a668badefb9..cd3080230b7 100644
--- a/mod/wiki/classes/event/page_map_viewed.php
+++ b/mod/wiki/classes/event/page_map_viewed.php
@@ -70,16 +70,6 @@ class page_map_viewed extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'map',
-            'map.php?pageid=' . $this->objectid, $this->objectid, $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_updated.php b/mod/wiki/classes/event/page_updated.php
index 7075535c21f..c49c46d451d 100644
--- a/mod/wiki/classes/event/page_updated.php
+++ b/mod/wiki/classes/event/page_updated.php
@@ -70,16 +70,6 @@ class page_updated extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'edit', 'view.php?pageid=' . $this->objectid, $this->objectid,
-            $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_version_deleted.php b/mod/wiki/classes/event/page_version_deleted.php
index ef0f7bfbd6f..67c14d4d480 100644
--- a/mod/wiki/classes/event/page_version_deleted.php
+++ b/mod/wiki/classes/event/page_version_deleted.php
@@ -70,16 +70,6 @@ class page_version_deleted extends \core\event\base {
             "for the wiki with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'admin', 'admin.php?pageid=' . $this->other['pageid'], $this->other['pageid'],
-            $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_version_restored.php b/mod/wiki/classes/event/page_version_restored.php
index 3a10c0f8978..c70230b6fdd 100644
--- a/mod/wiki/classes/event/page_version_restored.php
+++ b/mod/wiki/classes/event/page_version_restored.php
@@ -70,16 +70,6 @@ class page_version_restored extends \core\event\base {
             "for the wiki with course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'restore',
-            'view.php?pageid=' . $this->other['pageid'], $this->other['pageid'], $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_version_viewed.php b/mod/wiki/classes/event/page_version_viewed.php
index aed8a7c84f7..0040bf37e25 100644
--- a/mod/wiki/classes/event/page_version_viewed.php
+++ b/mod/wiki/classes/event/page_version_viewed.php
@@ -70,17 +70,6 @@ class page_version_viewed extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return(array($this->courseid, 'wiki', 'history',
-            'viewversion.php?pageid=' . $this->objectid . '&versionid=' . $this->other['versionid'],
-            $this->objectid, $this->contextinstanceid));
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/classes/event/page_viewed.php b/mod/wiki/classes/event/page_viewed.php
index 357663281c8..26f3d63d870 100644
--- a/mod/wiki/classes/event/page_viewed.php
+++ b/mod/wiki/classes/event/page_viewed.php
@@ -73,25 +73,6 @@ class page_viewed extends \core\event\base {
             "course module id '$this->contextinstanceid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        if (!empty($this->other['wid'])) {
-            return(array($this->courseid, 'wiki', 'view',
-                'view.php?wid=' . $this->data['other']['wid'] . '&title=' . $this->data['other']['title'],
-                $this->data['other']['wid'], $this->contextinstanceid));
-        } else if (!empty($this->other['prettyview'])) {
-            return(array($this->courseid, 'wiki', 'view',
-                'prettyview.php?pageid=' . $this->objectid, $this->objectid, $this->contextinstanceid));
-        } else {
-            return(array($this->courseid, 'wiki', 'view',
-                'view.php?pageid=' . $this->objectid, $this->objectid, $this->contextinstanceid));
-        }
-    }
-
     /**
      * Get URL related to the action.
      *
diff --git a/mod/wiki/tests/event/events_test.php b/mod/wiki/tests/event/events_test.php
index 1d9fd3a6ec1..e1363b6722d 100644
--- a/mod/wiki/tests/event/events_test.php
+++ b/mod/wiki/tests/event/events_test.php
@@ -144,9 +144,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_wiki\event\comments_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($this->course->id, 'wiki', 'comments', 'comments.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -172,9 +169,6 @@ class events_test extends \advanced_testcase {
         // Checking that the event contains the expected values.
         $this->assertInstanceOf('\mod_wiki\event\course_module_instance_list_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($this->course->id, 'wiki', 'view all', 'index.php?id=' . $this->course->id, '');
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -204,10 +198,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_wiki\event\course_module_viewed', $event);
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($this->wiki->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'view', 'view.php?id=' . $this->wiki->cmid,
-            $this->wiki->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -239,9 +229,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_wiki\event\page_viewed', $event);
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'view', 'view.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -274,9 +261,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_wiki\event\page_viewed', $event);
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'view', 'prettyview.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -300,10 +284,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_wiki\event\page_created', $event);
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'add page',
-            'view.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -331,24 +311,18 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->other['pageid']);
         $this->assertEquals($oldversion->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'admin', 'admin.php?pageid=' .  $page->id,  $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Checking that the event contains the page_deleted event.
         $event = array_pop($events);
         $this->assertInstanceOf('\mod_wiki\event\page_deleted', $event);
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'admin', 'admin.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Checking that the event contains the expected values.
         $event = array_pop($events);
         $this->assertInstanceOf('\mod_wiki\event\page_locks_deleted', $event);
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'overridelocks', 'view.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Delete all pages.
         $page1 = $this->wikigenerator->create_first_page($this->wiki);
@@ -366,9 +340,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_wiki\event\page_deleted', $event);
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page2->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'admin', 'admin.php?pageid=' . $page2->id, $page2->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -393,10 +364,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_wiki\event\page_updated', $event);
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'edit',
-            'view.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -432,10 +399,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_wiki\event\page_diff_viewed', $event);
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'diff', 'diff.php?pageid=' . $page->id . '&comparewith=' .
-            1 . '&compare=' .  2, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -467,9 +430,6 @@ class events_test extends \advanced_testcase {
         $this->assertInstanceOf('\mod_wiki\event\page_history_viewed', $event);
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->objectid);
-        $expected = array($this->course->id, 'wiki', 'history', 'history.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -505,9 +465,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->objectid);
         $this->assertEquals(0, $event->other['option']);
-        $expected = array($this->course->id, 'wiki', 'map', 'map.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -543,10 +500,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($page->id, $event->objectid);
         $this->assertEquals(1, $event->other['versionid']);
-        $expected = array($this->course->id, 'wiki', 'history', 'viewversion.php?pageid=' . $page->id . '&versionid=1',
-            $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 
     /**
@@ -571,8 +524,5 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($context, $event->get_context());
         $this->assertEquals($version->id, $event->objectid);
         $this->assertEquals($page->id, $event->other['pageid']);
-        $expected = array($this->course->id, 'wiki', 'restore', 'view.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
-        $this->assertEventLegacyLogData($expected, $event);
-        $this->assertEventContextNotUsed($event);
     }
 }
diff --git a/notes/tests/event/events_test.php b/notes/tests/event/events_test.php
index a0425b6cb68..c449a3630bb 100644
--- a/notes/tests/event/events_test.php
+++ b/notes/tests/event/events_test.php
@@ -81,8 +81,6 @@ class events_test extends \advanced_testcase {
         $logurl = new \moodle_url('index.php',
                 array('course' => $this->eventnote->courseid, 'user' => $this->eventnote->userid));
         $logurl->set_anchor('note-' . $this->eventnote->id);
-        $arr = array($this->eventnote->courseid, 'notes', 'delete', $logurl, 'delete note');
-        $this->assertEventLegacyLogData($arr, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -107,13 +105,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($note->userid, $event->relateduserid);
         $this->assertEquals('post', $event->objecttable);
         $this->assertEquals(NOTES_STATE_SITE, $event->other['publishstate']);
-
-        // Test legacy data.
-        $logurl = new \moodle_url('index.php',
-            array('course' => $note->courseid, 'user' => $note->userid));
-        $logurl->set_anchor('note-' . $note->id);
-        $arr = array($note->courseid, 'notes', 'add', $logurl, 'add note');
-        $this->assertEventLegacyLogData($arr, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -138,13 +129,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($note->userid, $event->relateduserid);
         $this->assertEquals('post', $event->objecttable);
         $this->assertEquals(NOTES_STATE_DRAFT, $event->other['publishstate']);
-
-        // Test legacy data.
-        $logurl = new \moodle_url('index.php',
-            array('course' => $note->courseid, 'user' => $note->userid));
-        $logurl->set_anchor('note-' . $note->id);
-        $arr = array($note->courseid, 'notes', 'update', $logurl, 'update note');
-        $this->assertEventLegacyLogData($arr, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -170,9 +154,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\core\event\notes_viewed', $event);
         $this->assertEquals($coursecontext, $event->get_context());
-        $expected = array($this->eventnote->courseid, 'notes', 'view', 'index.php?course=' .
-                $this->eventnote->courseid.'&user=' . $this->eventnote->userid, 'view notes');
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 }
diff --git a/question/bank/managecategories/tests/question_category_object_test.php b/question/bank/managecategories/tests/question_category_object_test.php
index 8b6efbaacd7..398a769cd3a 100644
--- a/question/bank/managecategories/tests/question_category_object_test.php
+++ b/question/bank/managecategories/tests/question_category_object_test.php
@@ -261,8 +261,6 @@ class question_category_object_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\question_category_created', $event);
         $this->assertEquals(context_module::instance($this->quiz->cmid), $event->get_context());
-        $expected = [$this->course->id, 'quiz', 'addcategory', 'view.php?id=' . $this->quiz->cmid , $categoryid, $this->quiz->cmid];
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
diff --git a/report/completion/classes/event/user_report_viewed.php b/report/completion/classes/event/user_report_viewed.php
index f8193a85096..461c08a1334 100644
--- a/report/completion/classes/event/user_report_viewed.php
+++ b/report/completion/classes/event/user_report_viewed.php
@@ -64,16 +64,6 @@ class user_report_viewed extends \core\event\base {
         return "The user with id '$this->userid' viewed the user completion report for the user with id '$this->relateduserid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $url = 'report/completion/user.php?id=' . $this->relateduserid . '&course=' . $this->courseid;
-        return array($this->courseid, 'course', 'report completion', $url, $this->courseid);
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/report/completion/tests/event/events_test.php b/report/completion/tests/event/events_test.php
index 2ed2d966c94..c3b58673e61 100644
--- a/report/completion/tests/event/events_test.php
+++ b/report/completion/tests/event/events_test.php
@@ -91,9 +91,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(3, $event->relateduserid);
         $this->assertEquals(new \moodle_url('/report/completion/user.php', array('id' => 3, 'course' => $course->id)),
                 $event->get_url());
-        $expected = array($course->id, 'course', 'report completion', "report/completion/user.php?id=3&course=$course->id",
-                $course->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 }
diff --git a/report/eventlist/classes/list_generator.php b/report/eventlist/classes/list_generator.php
index 0929f54449d..e9dbd034937 100644
--- a/report/eventlist/classes/list_generator.php
+++ b/report/eventlist/classes/list_generator.php
@@ -302,7 +302,6 @@ class report_eventlist_list_generator {
 
         $eventdata[$eventfullpath]['crud'] = self::get_crud_string($eventdata[$eventfullpath]['crud']);
         $eventdata[$eventfullpath]['edulevel'] = self::get_edulevel_string($eventdata[$eventfullpath]['edulevel']);
-        $eventdata[$eventfullpath]['legacyevent'] = $eventfullpath::get_legacy_eventname();
 
         // Mess around getting since information.
         $ref = new \ReflectionClass($eventdata[$eventfullpath]['eventname']);
diff --git a/report/eventlist/eventdetail.php b/report/eventlist/eventdetail.php
index 9f1566740e3..f560e246671 100644
--- a/report/eventlist/eventdetail.php
+++ b/report/eventlist/eventdetail.php
@@ -61,7 +61,6 @@ $eventinformation['explanation'] = $eventname::get_explanation($eventname);
 // Get event information nicely if we can.
 if (!$ref->isAbstract()) {
     $eventinformation = array_merge($eventinformation, $eventname::get_static_info());
-    $eventinformation['legacyevent'] = $eventname::get_legacy_eventname();
     $eventinformation['crud'] = report_eventlist_list_generator::get_crud_string($eventinformation['crud']);
     $eventinformation['edulevel'] = report_eventlist_list_generator::get_edulevel_string($eventinformation['edulevel']);
 } else {
diff --git a/report/log/classes/event/report_viewed.php b/report/log/classes/event/report_viewed.php
index eaf24ab0654..a3d83b1fe54 100644
--- a/report/log/classes/event/report_viewed.php
+++ b/report/log/classes/event/report_viewed.php
@@ -73,15 +73,6 @@ class report_viewed extends \core\event\base {
         return "The user with id '$this->userid' viewed the log report for the course with id '$this->courseid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, "course", "report log", "report/log/index.php?id=$this->courseid", $this->courseid);
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/report/log/classes/event/user_report_viewed.php b/report/log/classes/event/user_report_viewed.php
index 46672d00d54..4c22e633b5d 100644
--- a/report/log/classes/event/user_report_viewed.php
+++ b/report/log/classes/event/user_report_viewed.php
@@ -69,16 +69,6 @@ class user_report_viewed extends \core\event\base {
         return "The user with id '$this->userid' viewed the user log report for the user with id '$this->relateduserid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $url = 'report/log/user.php?id=' . $this->relateduserid . '&course=' . $this->courseid . '&mode=' . $this->other['mode'];
-        return array($this->courseid, 'course', 'report log', $url, $this->courseid);
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/report/log/tests/event/events_test.php b/report/log/tests/event/events_test.php
index 848d5628841..c5ff682ba7d 100644
--- a/report/log/tests/event/events_test.php
+++ b/report/log/tests/event/events_test.php
@@ -66,8 +66,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\report_log\event\report_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, "course", "report log", "report/log/index.php?id=$course->id", $course->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/report/log/index.php', array('id' => $event->courseid));
         $this->assertEquals($url, $event->get_url());
@@ -96,9 +94,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\report_log\event\user_report_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $url = 'report/log/user.php?id=' . $user->id . '&course=' . $course->id . '&mode=today';
-        $expected = array($course->id, "course", "report log", $url, $course->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/report/log/user.php', array('course' => $course->id, 'id' => $user->id, 'mode' => 'today'));
         $this->assertEquals($url, $event->get_url());
diff --git a/report/loglive/classes/event/report_viewed.php b/report/loglive/classes/event/report_viewed.php
index f37ae0301e9..570bb2edd5d 100644
--- a/report/loglive/classes/event/report_viewed.php
+++ b/report/loglive/classes/event/report_viewed.php
@@ -63,15 +63,6 @@ class report_viewed extends \core\event\base {
         return "The user with id '$this->userid' viewed the live log report for the course with id '$this->courseid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'course', 'report live', "report/loglive/index.php?id=$this->courseid", $this->courseid);
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/report/loglive/tests/event/events_test.php b/report/loglive/tests/event/events_test.php
index 3ad88a512c7..cb57595a785 100644
--- a/report/loglive/tests/event/events_test.php
+++ b/report/loglive/tests/event/events_test.php
@@ -63,8 +63,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\report_loglive\event\report_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, 'course', 'report live', "report/loglive/index.php?id=$course->id", $course->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/report/loglive/index.php', array('id' => $course->id));
         $this->assertEquals($url, $event->get_url());
diff --git a/report/outline/classes/event/activity_report_viewed.php b/report/outline/classes/event/activity_report_viewed.php
index 09df8365a53..252df476e14 100644
--- a/report/outline/classes/event/activity_report_viewed.php
+++ b/report/outline/classes/event/activity_report_viewed.php
@@ -63,15 +63,6 @@ class activity_report_viewed extends \core\event\base {
         return "The user with id '$this->userid' viewed the outline activity report for the course with id '$this->courseid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, 'course', 'report outline', "report/outline/index.php?id=$this->courseid", $this->courseid);
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/report/outline/classes/event/report_viewed.php b/report/outline/classes/event/report_viewed.php
index 45277b9bea7..e2c36af999e 100644
--- a/report/outline/classes/event/report_viewed.php
+++ b/report/outline/classes/event/report_viewed.php
@@ -70,16 +70,6 @@ class report_viewed extends \core\event\base {
             "for the course with id '$this->courseid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $url = "report/outline/user.php?id=". $this->userid . "&course=" . $this->courseid . "&mode=" . $this->other['mode'];
-        return array($this->courseid, 'course', 'report outline', $url, $this->courseid);
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/report/participation/classes/event/report_viewed.php b/report/participation/classes/event/report_viewed.php
index 8a4d8aea4f1..49627c7e2c3 100644
--- a/report/participation/classes/event/report_viewed.php
+++ b/report/participation/classes/event/report_viewed.php
@@ -73,16 +73,6 @@ class report_viewed extends \core\event\base {
         return "The user with id '$this->userid' viewed the course participation report for the course with id '$this->courseid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, "course", "report participation", "report/participation/index.php?id=" . $this->courseid,
-                $this->courseid);
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/report/questioninstances/classes/event/report_viewed.php b/report/questioninstances/classes/event/report_viewed.php
index 36e3f6520e2..bca71bd5a73 100644
--- a/report/questioninstances/classes/event/report_viewed.php
+++ b/report/questioninstances/classes/event/report_viewed.php
@@ -70,16 +70,6 @@ class report_viewed extends \core\event\base {
         return "The user with id '$this->userid' viewed the question instances report.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $requestedqtype = $this->other['requestedqtype'];
-        return array(SITEID, "admin", "report questioninstances", "report/questioninstances/index.php?qtype=$requestedqtype", $requestedqtype);
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/report/questioninstances/tests/event/events_test.php b/report/questioninstances/tests/event/events_test.php
index 278c222d912..9704ea31b30 100644
--- a/report/questioninstances/tests/event/events_test.php
+++ b/report/questioninstances/tests/event/events_test.php
@@ -56,8 +56,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\report_questioninstances\event\report_viewed', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = array(SITEID, "admin", "report questioninstances", "report/questioninstances/index.php?qtype=$requestedqtype", $requestedqtype);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
         $url = new \moodle_url('/report/questioninstances/index.php', array('qtype' => $requestedqtype));
         $this->assertEquals($url, $event->get_url());
diff --git a/report/stats/classes/event/report_viewed.php b/report/stats/classes/event/report_viewed.php
index 35803d00dac..118dba47a10 100644
--- a/report/stats/classes/event/report_viewed.php
+++ b/report/stats/classes/event/report_viewed.php
@@ -71,15 +71,6 @@ class report_viewed extends \core\event\base {
         return "The user with id '$this->userid' viewed the statistics report for the course with id '$this->courseid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        return array($this->courseid, "course", "report stats", "report/stats/index.php?course=$this->courseid", $this->courseid);
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/report/stats/classes/event/user_report_viewed.php b/report/stats/classes/event/user_report_viewed.php
index 3854175dfab..68107dfc31a 100644
--- a/report/stats/classes/event/user_report_viewed.php
+++ b/report/stats/classes/event/user_report_viewed.php
@@ -63,16 +63,6 @@ class user_report_viewed extends \core\event\base {
         return "The user with id '$this->userid' viewed the user statistics report for the user with id '$this->relateduserid'.";
     }
 
-    /**
-     * Return the legacy event log data.
-     *
-     * @return array
-     */
-    protected function get_legacy_logdata() {
-        $url = 'report/stats/user.php?id=' . $this->relateduserid . '&course=' . $this->courseid;
-        return (array($this->courseid, 'course', 'report stats', $url, $this->courseid));
-    }
-
     /**
      * Returns relevant URL.
      *
diff --git a/report/stats/tests/event/events_test.php b/report/stats/tests/event/events_test.php
index 25e7ce38b1a..c4034d31ffd 100644
--- a/report/stats/tests/event/events_test.php
+++ b/report/stats/tests/event/events_test.php
@@ -66,8 +66,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\report_stats\event\report_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $expected = array($course->id, "course", "report stats", "report/stats/index.php?course=$course->id", $course->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -93,9 +91,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertInstanceOf('\report_stats\event\user_report_viewed', $event);
         $this->assertEquals($context, $event->get_context());
-        $url = $url = 'report/stats/user.php?id=' . $user->id . '&course=' . $course->id;
-        $expected = array($course->id, 'course', 'report stats', $url, $course->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 }
diff --git a/tag/classes/tag.php b/tag/classes/tag.php
index fd5ff3a1aa6..0297522aa6d 100644
--- a/tag/classes/tag.php
+++ b/tag/classes/tag.php
@@ -1092,10 +1092,6 @@ class core_tag_tag {
                 'rawname' => $this->rawname
             )
         ));
-        if (isset($data['rawname'])) {
-            $event->set_legacy_logdata(array($COURSE->id, 'tag', 'update', 'index.php?id='. $this->id,
-                $originalname . '->'. $this->name));
-        }
         $event->trigger();
         return true;
     }
diff --git a/tag/tests/event/events_test.php b/tag/tests/event/events_test.php
index 64213de687c..8cac237e2df 100644
--- a/tag/tests/event/events_test.php
+++ b/tag/tests/event/events_test.php
@@ -69,8 +69,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\tag_updated', $event);
         $this->assertEquals($systemcontext, $event->get_context());
-        $expected = array(SITEID, 'tag', 'update', 'index.php?id=' . $tag->id, $oldname . '->'. $tag->name);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Trigger and capture the event when setting the type of a tag.
         $sink = $this->redirectEvents();
@@ -81,8 +79,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\tag_updated', $event);
         $this->assertEquals($systemcontext, $event->get_context());
-        $expected = array(0, 'tag', 'update', 'index.php?id=' . $tag->id, $tag->name);
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Trigger and capture the event for setting the description of a tag.
         $sink = $this->redirectEvents();
@@ -94,8 +90,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\tag_updated', $event);
         $this->assertEquals($systemcontext, $event->get_context());
-        $expected = array(0, 'tag', 'update', 'index.php?id=' . $tag->id, $tag->name);
-        $this->assertEventLegacyLogData($expected, $event);
     }
 
     /**
@@ -117,8 +111,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(1, $DB->count_records('tag_instance', array('component' => 'core')));
         $this->assertInstanceOf('\core\event\tag_added', $event);
         $this->assertEquals(\context_course::instance($course->id), $event->get_context());
-        $expected = array($course->id, 'coursetags', 'add', 'tag/search.php?query=A+tag', 'Course tagged');
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Create a question to tag.
         $questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
@@ -137,8 +129,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(1, $DB->count_records('tag_instance', array('component' => 'core')));
         $this->assertInstanceOf('\core\event\tag_added', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = null;
-        $this->assertEventLegacyLogData($expected, $event);
     }
 
     /**
@@ -284,8 +274,6 @@ class events_test extends \advanced_testcase {
         // Check that the event data is valid.
         $this->assertInstanceOf('\core\event\tag_flagged', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = array(SITEID, 'tag', 'flag', 'index.php?id=' . $tag->id, $tag->id, '', '2');
-        $this->assertEventLegacyLogData($expected, $event);
 
         // Unset the flag for both (though by default tag2 should have been created with 0 already).
         foreach ($tags as $t) {
@@ -309,14 +297,10 @@ class events_test extends \advanced_testcase {
         $event = $events[0];
         $this->assertInstanceOf('\core\event\tag_flagged', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = array(SITEID, 'tag', 'flag', 'index.php?id=' . $tag->id, $tag->id, '', '2');
-        $this->assertEventLegacyLogData($expected, $event);
 
         $event = $events[1];
         $this->assertInstanceOf('\core\event\tag_flagged', $event);
         $this->assertEquals(\context_system::instance(), $event->get_context());
-        $expected = array(SITEID, 'tag', 'flag', 'index.php?id=' . $tag2->id, $tag2->id, '', '2');
-        $this->assertEventLegacyLogData($expected, $event);
     }
 
     /**
diff --git a/user/tests/userlib_test.php b/user/tests/userlib_test.php
index 35b05d00227..901f940acf9 100644
--- a/user/tests/userlib_test.php
+++ b/user/tests/userlib_test.php
@@ -201,11 +201,7 @@ class userlib_test extends \advanced_testcase {
         // Test event.
         $this->assertInstanceOf('\core\event\user_updated', $event);
         $this->assertSame($user->id, $event->objectid);
-        $this->assertSame('user_updated', $event->get_legacy_eventname());
-        $this->assertEventLegacyData($dbuser, $event);
         $this->assertEquals(\context_user::instance($user->id), $event->get_context());
-        $expectedlogdata = array(SITEID, 'user', 'update', 'view.php?id='.$user->id, '');
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
 
         // Update user with no password update.
         $password = $user->password = hash_internal_user_password('M00dLe@T');
@@ -296,11 +292,7 @@ class userlib_test extends \advanced_testcase {
         // Test event.
         $this->assertInstanceOf('\core\event\user_created', $event);
         $this->assertEquals($user['id'], $event->objectid);
-        $this->assertEquals('user_created', $event->get_legacy_eventname());
         $this->assertEquals(\context_user::instance($user['id']), $event->get_context());
-        $this->assertEventLegacyData($dbuser, $event);
-        $expectedlogdata = array(SITEID, 'user', 'add', '/view.php?id='.$event->objectid, fullname($dbuser));
-        $this->assertEventLegacyLogData($expectedlogdata, $event);
 
         // Verify event is not triggred by user_create_user when needed.
         $user = array('username' => 'usernametest2'); // Create another user.
diff --git a/webservice/lib.php b/webservice/lib.php
index 993d1960c17..503deaf9809 100644
--- a/webservice/lib.php
+++ b/webservice/lib.php
@@ -95,8 +95,6 @@ class webservice {
             $params['other']['reason'] = 'token_expired';
             $event = \core\event\webservice_login_failed::create($params);
             $event->add_record_snapshot('external_tokens', $token);
-            $event->set_legacy_logdata(array(SITEID, 'webservice', get_string('tokenauthlog', 'webservice'), '',
-                get_string('invalidtimedtoken', 'webservice'), 0));
             $event->trigger();
             $DB->delete_records('external_tokens', array('token' => $token->token));
             throw new webservice_access_exception('Invalid token - token expired - check validuntil time for the token');
@@ -108,8 +106,6 @@ class webservice {
             $params['other']['reason'] = 'ip_restricted';
             $event = \core\event\webservice_login_failed::create($params);
             $event->add_record_snapshot('external_tokens', $token);
-            $event->set_legacy_logdata(array(SITEID, 'webservice', get_string('tokenauthlog', 'webservice'), '',
-                get_string('failedtolog', 'webservice') . ": " . getremoteaddr(), 0));
             $event->trigger();
             throw new webservice_access_exception('Invalid token - IP:' . getremoteaddr()
                     . ' is not supported');
@@ -178,7 +174,6 @@ class webservice {
             $params['other']['reason'] = 'user_unconfirmed';
             $event = \core\event\webservice_login_failed::create($params);
             $event->add_record_snapshot('external_tokens', $token);
-            $event->set_legacy_logdata(array(SITEID, 'webservice', 'user unconfirmed', '', $user->username));
             $event->trigger();
             throw new moodle_exception('usernotconfirmed', 'moodle', '', $user->username);
         }
@@ -189,7 +184,6 @@ class webservice {
             $params['other']['reason'] = 'user_suspended';
             $event = \core\event\webservice_login_failed::create($params);
             $event->add_record_snapshot('external_tokens', $token);
-            $event->set_legacy_logdata(array(SITEID, 'webservice', 'user suspended', '', $user->username));
             $event->trigger();
             throw new moodle_exception('wsaccessusersuspended', 'moodle', '', $user->username);
         }
@@ -200,7 +194,6 @@ class webservice {
             $params['other']['reason'] = 'nologin';
             $event = \core\event\webservice_login_failed::create($params);
             $event->add_record_snapshot('external_tokens', $token);
-            $event->set_legacy_logdata(array(SITEID, 'webservice', 'nologin auth attempt with web service', '', $user->username));
             $event->trigger();
             throw new moodle_exception('wsaccessusernologin', 'moodle', '', $user->username);
         }
@@ -214,7 +207,6 @@ class webservice {
                 $params['other']['reason'] = 'password_expired';
                 $event = \core\event\webservice_login_failed::create($params);
                 $event->add_record_snapshot('external_tokens', $token);
-                $event->set_legacy_logdata(array(SITEID, 'webservice', 'expired password', '', $user->username));
                 $event->trigger();
                 throw new moodle_exception('passwordisexpired', 'webservice');
             }
@@ -1046,8 +1038,6 @@ abstract class webservice_server implements webservice_server_interface {
                 $params['other']['reason'] = 'password';
                 $params['other']['username'] = $this->username;
                 $event = \core\event\webservice_login_failed::create($params);
-                $event->set_legacy_logdata(array(SITEID, 'webservice', get_string('simpleauthlog', 'webservice'), '' ,
-                    get_string('failedtolog', 'webservice').": ".$this->username."/".$this->password." - ".getremoteaddr() , 0));
                 $event->trigger();
 
                 throw new moodle_exception('wrongusernamepassword', 'webservice');
@@ -1073,8 +1063,6 @@ abstract class webservice_server implements webservice_server_interface {
             $params['other']['reason'] = 'user_deleted';
             $params['other']['username'] = $user->username;
             $event = \core\event\webservice_login_failed::create($params);
-            $event->set_legacy_logdata(array(SITEID, '', '', '', get_string('wsaccessuserdeleted', 'webservice',
-                $user->username) . " - ".getremoteaddr(), 0, $user->id));
             $event->trigger();
             throw new moodle_exception('wsaccessuserdeleted', 'webservice', '', $user->username);
         }
@@ -1085,8 +1073,6 @@ abstract class webservice_server implements webservice_server_interface {
             $params['other']['reason'] = 'user_unconfirmed';
             $params['other']['username'] = $user->username;
             $event = \core\event\webservice_login_failed::create($params);
-            $event->set_legacy_logdata(array(SITEID, '', '', '', get_string('wsaccessuserunconfirmed', 'webservice',
-                $user->username) . " - ".getremoteaddr(), 0, $user->id));
             $event->trigger();
             throw new moodle_exception('wsaccessuserunconfirmed', 'webservice', '', $user->username);
         }
@@ -1097,8 +1083,6 @@ abstract class webservice_server implements webservice_server_interface {
             $params['other']['reason'] = 'user_unconfirmed';
             $params['other']['username'] = $user->username;
             $event = \core\event\webservice_login_failed::create($params);
-            $event->set_legacy_logdata(array(SITEID, '', '', '', get_string('wsaccessusersuspended', 'webservice',
-                $user->username) . " - ".getremoteaddr(), 0, $user->id));
             $event->trigger();
             throw new moodle_exception('wsaccessusersuspended', 'webservice', '', $user->username);
         }
@@ -1116,8 +1100,6 @@ abstract class webservice_server implements webservice_server_interface {
                 $params['other']['reason'] = 'password_expired';
                 $params['other']['username'] = $user->username;
                 $event = \core\event\webservice_login_failed::create($params);
-                $event->set_legacy_logdata(array(SITEID, '', '', '', get_string('wsaccessuserexpired', 'webservice',
-                    $user->username) . " - ".getremoteaddr(), 0, $user->id));
                 $event->trigger();
                 throw new moodle_exception('wsaccessuserexpired', 'webservice', '', $user->username);
             }
@@ -1129,8 +1111,6 @@ abstract class webservice_server implements webservice_server_interface {
             $params['other']['reason'] = 'login';
             $params['other']['username'] = $user->username;
             $event = \core\event\webservice_login_failed::create($params);
-            $event->set_legacy_logdata(array(SITEID, '', '', '', get_string('wsaccessusernologin', 'webservice',
-                $user->username) . " - ".getremoteaddr(), 0, $user->id));
             $event->trigger();
             throw new moodle_exception('wsaccessusernologin', 'webservice', '', $user->username);
         }
@@ -1171,8 +1151,6 @@ abstract class webservice_server implements webservice_server_interface {
             $params = $loginfaileddefaultparams;
             $params['other']['reason'] = 'invalid_token';
             $event = \core\event\webservice_login_failed::create($params);
-            $event->set_legacy_logdata(array(SITEID, 'webservice', get_string('tokenauthlog', 'webservice'), '' ,
-                get_string('failedtolog', 'webservice').": ".$this->token. " - ".getremoteaddr() , 0));
             $event->trigger();
             throw new moodle_exception('invalidtoken', 'webservice');
         }
@@ -1195,8 +1173,6 @@ abstract class webservice_server implements webservice_server_interface {
             $params['other']['tokenid'] = $token->id;
             $event = \core\event\webservice_login_failed::create($params);
             $event->add_record_snapshot('external_tokens', $token);
-            $event->set_legacy_logdata(array(SITEID, 'webservice', get_string('tokenauthlog', 'webservice'), '' ,
-                get_string('failedtolog', 'webservice').": ".getremoteaddr() , 0));
             $event->trigger();
             throw new webservice_access_exception('Invalid service - IP:' . getremoteaddr()
                     . ' is not supported - check this allowed user');
@@ -1337,7 +1313,6 @@ abstract class webservice_base_server extends webservice_server {
             )
         );
         $event = \core\event\webservice_function_called::create($params);
-        $event->set_legacy_logdata(array(SITEID, 'webservice', $this->functionname, '' , getremoteaddr() , 0, $this->userid));
         $event->trigger();
 
         // Do additional setup stuff.
diff --git a/webservice/soap/locallib.php b/webservice/soap/locallib.php
index ebfa5ca046c..593f2d9c288 100644
--- a/webservice/soap/locallib.php
+++ b/webservice/soap/locallib.php
@@ -140,8 +140,6 @@ class webservice_soap_server extends webservice_base_server {
             )
         );
         $event = \core\event\webservice_function_called::create($params);
-        $logdataparams = array(SITEID, 'webservice_soap', '', '', $this->serviceclass . ' ' . getremoteaddr(), 0, $this->userid);
-        $event->set_legacy_logdata($logdataparams);
         $event->trigger();
 
         // Handle the SOAP request.
diff --git a/webservice/tests/event/events_test.php b/webservice/tests/event/events_test.php
index 20de794adbb..6ceef550580 100644
--- a/webservice/tests/event/events_test.php
+++ b/webservice/tests/event/events_test.php
@@ -46,14 +46,12 @@ class events_test extends \advanced_testcase {
 
         $sink = $this->redirectEvents();
 
-        $fakelogdata = array(1, 'B', true, null);
         $params = array(
             'other' => array(
                 'function' => 'A function'
             )
         );
         $event = \core\event\webservice_function_called::create($params);
-        $event->set_legacy_logdata($fakelogdata);
         $event->trigger();
 
         $events = $sink->get_events();
@@ -62,7 +60,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals('A function', $event->other['function']);
-        $this->assertEventLegacyLogData($fakelogdata, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -73,7 +70,6 @@ class events_test extends \advanced_testcase {
 
         $sink = $this->redirectEvents();
 
-        $fakelogdata = array(1, 'B', true, null);
         $params = array(
             'other' => array(
                 'reason' => 'Unit Test',
@@ -82,7 +78,6 @@ class events_test extends \advanced_testcase {
             )
         );
         $event = \core\event\webservice_login_failed::create($params);
-        $event->set_legacy_logdata($fakelogdata);
         $event->trigger();
 
         $events = $sink->get_events();
@@ -93,7 +88,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals($params['other']['reason'], $event->other['reason']);
         $this->assertEquals($params['other']['method'], $event->other['method']);
         $this->assertEquals($params['other']['tokenid'], $event->other['tokenid']);
-        $this->assertEventLegacyLogData($fakelogdata, $event);
 
         // We cannot set the token in the other properties.
         $params['other']['token'] = 'I should not be set';
@@ -144,9 +138,6 @@ class events_test extends \advanced_testcase {
         // Assert that the event contains the right information.
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals($service->id, $event->objectid);
-        $returnurl = $CFG->wwwroot . "/" . $CFG->admin . "/settings.php?section=externalservices";
-        $expected = array(SITEID, 'webservice', 'add', $returnurl, get_string('addservice', 'webservice', $service));
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -189,9 +180,6 @@ class events_test extends \advanced_testcase {
         // Assert that the event contains the right information.
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals($service->id, $event->objectid);
-        $returnurl = $CFG->wwwroot . "/" . $CFG->admin . "/settings.php?section=externalservices";
-        $expected = array(SITEID, 'webservice', 'edit', $returnurl, get_string('editservice', 'webservice', $service));
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -234,9 +222,6 @@ class events_test extends \advanced_testcase {
         // Assert that the event contains the right information.
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals($service->id, $event->objectid);
-        $returnurl = $CFG->wwwroot . "/" . $CFG->admin . "/settings.php?section=externalservices";
-        $expected = array(SITEID, 'webservice', 'delete', $returnurl, get_string('deleteservice', 'webservice', $service));
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -263,9 +248,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals(1, $event->objectid);
         $this->assertEquals(2, $event->relateduserid);
-        $expected = array(SITEID, 'core', 'assign', $CFG->admin . '/webservice/service_users.php?id=' . $params['objectid'],
-            'add', '', $params['relateduserid']);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -292,9 +274,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals(1, $event->objectid);
         $this->assertEquals(2, $event->relateduserid);
-        $expected = array(SITEID, 'core', 'assign', $CFG->admin . '/webservice/service_users.php?id=' . $params['objectid'],
-            'remove', '', $params['relateduserid']);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -322,8 +301,6 @@ class events_test extends \advanced_testcase {
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals(1, $event->objectid);
         $this->assertEquals(2, $event->relateduserid);
-        $expected = array(SITEID, 'webservice', 'automatically create user token', '' , 'User ID: ' . 2);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 
@@ -352,8 +329,6 @@ class events_test extends \advanced_testcase {
 
         $this->assertEquals(\context_system::instance(), $event->get_context());
         $this->assertEquals(1, $event->objectid);
-        $expected = array(SITEID, 'webservice', 'sending requested user token', '' , 'User ID: ' . $user->id);
-        $this->assertEventLegacyLogData($expected, $event);
         $this->assertEventContextNotUsed($event);
     }
 }