diff --git a/grade/edit/tree/outcomeitem_form.php b/grade/edit/tree/outcomeitem_form.php
index 40f5eb60b16..8d6f4a9148f 100644
--- a/grade/edit/tree/outcomeitem_form.php
+++ b/grade/edit/tree/outcomeitem_form.php
@@ -60,7 +60,7 @@ class edit_outcomeitem_form extends moodleform {
             }
         }
         $mform->addElement('select', 'cmid', get_string('linkedactivity', 'grades'), $options);
-        $mform->setHelpButton('cmid', array('linkedactivity', get_string('linkedactivity', 'grades'), 'grade'), true);
+        $mform->addHelpButton('cmid', 'linkedactivity', 'grades');
         $mform->setDefault('cmid', 0);
 
         /// hiding
diff --git a/lang/en/grades.php b/lang/en/grades.php
index 58cb4650dd4..361d4c63dbe 100755
--- a/lang/en/grades.php
+++ b/lang/en/grades.php
@@ -396,7 +396,6 @@ $string['letterreal'] = 'Letter (real)';
 $string['letters'] = 'Letters';
 $string['linkedactivity'] = 'Linked activity';
 $string['linkedactivity_help'] = 'This setting specifies an activity to which this outcome item is linked. This may be used to measure student performance on criteria not assessed by the activity grade.';
-$string['linkedactivityhelp'] = 'Specifies an optional activity to which this outcome item is linked. This is used to measure student performance on criteria not assessed by the activity grade.';
 $string['linktoactivity'] = 'Link to {$a->name} activity';
 $string['lock'] = 'Lock';
 $string['locked'] = 'Locked';
diff --git a/lang/en/help/grade/linkedactivity.html b/lang/en/help/grade/linkedactivity.html
deleted file mode 100644
index 4538d169fb9..00000000000
--- a/lang/en/help/grade/linkedactivity.html
+++ /dev/null
@@ -1,2 +0,0 @@
-<h1>Linked activity</h1>
-<p>Specifies an optional activity to which this outcome item is linked. This is used to measure student performance on criteria not assessed by the activity grade.</p>