diff --git a/admin/tool/brickfield/classes/accessibility.php b/admin/tool/brickfield/classes/accessibility.php
index 32d85681179..2655106682b 100644
--- a/admin/tool/brickfield/classes/accessibility.php
+++ b/admin/tool/brickfield/classes/accessibility.php
@@ -20,7 +20,6 @@ use context_system;
 use core\log\sql_reader;
 use moodle_url;
 use stdClass;
-use tool_brickfield\event\plugin_installed;
 use tool_brickfield\local\tool\filter;
 
 /**
@@ -109,14 +108,14 @@ class accessibility {
 
     /**
      * Get the relevant title.
-     * @param local\tool\filter $filter
+     * @param filter $filter
      * @param int $countdata
      * @return string
      * @throws \coding_exception
      * @throws \dml_exception
      * @throws \moodle_exception
      */
-    public static function get_title(local\tool\filter $filter, int $countdata): string {
+    public static function get_title(filter $filter, int $countdata): string {
         global $DB;
 
         $tmp = new \stdClass();
@@ -471,43 +470,6 @@ class accessibility {
         return $courseids;
     }
 
-    /**
-     * Plugin installed.
-     * @throws coding_exception
-     * @throws dml_exception
-     */
-    public static function plugin_installed() {
-        global $USER;
-
-        $readers = get_log_manager()->get_readers(sql_reader::class);
-        $reader = reset($readers);
-        $select = 'eventname = :eventname AND action = :action AND target = :target';
-        $params = [
-            'eventname' => '\\' . manager::PLUGINNAME . '\event\plugin_installed',
-            'action' => 'installed',
-            'target' => 'plugin'
-        ];
-        $logplugininstalled = $reader->get_events_select($select, $params, 'timecreated ASC', 0, 1);
-        if (empty($logplugininstalled)) {
-            $context = context_system::instance();
-            $pi = new stdClass();
-            $pi->userid = empty($USER->id) ? 0 : $USER->id;
-            $pi->contextid = $context->id;
-            $pi->component = manager::PLUGINNAME;
-            $pi->modifierid = $pi->userid;
-            $pi->sortorder = 0;
-            $event = plugin_installed::create([
-                'context' => $context,
-                'relateduserid' => $pi->userid,
-                'other' => [
-                    'plugin' => $pi->component,
-                    'installed' => 1
-                ]
-            ]);
-            $event->trigger();
-        }
-    }
-
     /**
      * Get summary data for this site.
      * @param int $id
diff --git a/admin/tool/brickfield/classes/event/plugin_installed.php b/admin/tool/brickfield/classes/event/plugin_installed.php
deleted file mode 100644
index 8ba590594e2..00000000000
--- a/admin/tool/brickfield/classes/event/plugin_installed.php
+++ /dev/null
@@ -1,54 +0,0 @@
-<?php
-// This file is part of Moodle - http://moodle.org/
-//
-// Moodle is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Moodle is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
-
-namespace tool_brickfield\event;
-use coding_exception;
-use core\event\base;
-use tool_brickfield\manager;
-
-/**
- * Class plugin_installed.
- *
- * @package tool_brickfield
- * @author 2020 JM Tomas <jmtomas@tresipunt.com>
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL
- */
-class plugin_installed extends base {
-
-    /**
-     * Init function.
-     */
-    protected function init() {
-        $this->data['crud'] = 'u';
-        $this->data['edulevel'] = self::LEVEL_OTHER;
-    }
-
-    /**
-     * Get name.
-     * @return string
-     */
-    public static function get_name(): string {
-        return get_string('installed', manager::PLUGINNAME);
-    }
-
-    /**
-     * Get description.
-     * @return string
-     */
-    public function get_description(): string {
-        return get_string('installeddescription', manager::PLUGINNAME);
-    }
-}
diff --git a/admin/tool/brickfield/classes/eventobservers.php b/admin/tool/brickfield/classes/eventobservers.php
index 0fcab252208..685b90a6dc5 100644
--- a/admin/tool/brickfield/classes/eventobservers.php
+++ b/admin/tool/brickfield/classes/eventobservers.php
@@ -17,7 +17,6 @@
 namespace tool_brickfield;
 
 use core\event\base;
-use tool_brickfield\event\plugin_installed;
 use stdClass;
 
 /**
@@ -420,19 +419,6 @@ class eventobservers {
         }
     }
 
-    /**
-     * Look for a plugin installed event.
-     * @param plugin_installed $event
-     * @throws \moodle_exception
-     */
-    public static function plugin_installed(plugin_installed $event) {
-        // If this feature has been disabled, do nothing.
-        if (accessibility::is_accessibility_enabled()) {
-            $urlregistration = manager::registration_url();
-            redirect($urlregistration->out());
-        }
-    }
-
     /**
      * Add an observer record if appropriate.
      * @param stdClass $data
diff --git a/admin/tool/brickfield/db/events.php b/admin/tool/brickfield/db/events.php
index 9c43c5c5c70..219237e2907 100644
--- a/admin/tool/brickfield/db/events.php
+++ b/admin/tool/brickfield/db/events.php
@@ -26,11 +26,6 @@
 defined('MOODLE_INTERNAL') || die();
 
 $observers = [
-    [
-        'eventname' => '\tool_brickfield\event\plugin_installed',
-        'callback'  => '\tool_brickfield\eventobservers::plugin_installed',
-        'priority'  => 1
-    ],
     [
         'eventname' => '\core\event\course_category_created',
         'callback'  => '\tool_brickfield\eventobservers::course_category_created',
diff --git a/admin/tool/brickfield/settings.php b/admin/tool/brickfield/settings.php
index 526cefece9e..e2cb632bbc0 100644
--- a/admin/tool/brickfield/settings.php
+++ b/admin/tool/brickfield/settings.php
@@ -97,17 +97,12 @@ if ($hassiteconfig) {
         PARAM_INT
     ));
 
-    // Need to leave this as last addition to setting variable, as it triggers a callback.
-    $lastitem = new admin_setting_configtext(
+    $settings->add(new admin_setting_configtext(
         manager::PLUGINNAME . '/perpage',
         get_string('perpage', manager::PLUGINNAME),
         '',
         50,
-        PARAM_INT);
-    $lastitem->set_updatedcallback(static function(){
-        accessibility::plugin_installed();
-    });
-    $settings->add($lastitem);
+        PARAM_INT));
 
     $ADMIN->add('brickfieldfolder', $settings);
 
diff --git a/admin/tool/brickfield/version.php b/admin/tool/brickfield/version.php
index 4a00604d941..6adc42ff1ce 100644
--- a/admin/tool/brickfield/version.php
+++ b/admin/tool/brickfield/version.php
@@ -25,5 +25,5 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'tool_brickfield';
-$plugin->version = 2020101918;
+$plugin->version = 2020101919;
 $plugin->requires = 2021042000;