diff --git a/grade/edit/tree/category_form.php b/grade/edit/tree/category_form.php
index ec8eba4074a..3d746faaa6f 100644
--- a/grade/edit/tree/category_form.php
+++ b/grade/edit/tree/category_form.php
@@ -152,7 +152,7 @@ class edit_category_form extends moodleform {
         $mform->disabledIf('grade_item_grademax', 'aggregation', 'eq', GRADE_AGGREGATE_SUM);
 
         $mform->addElement('text', 'grade_item_grademin', get_string('grademin', 'grades'));
-        $mform->setHelpButton('grade_item_grademin', array('grademin', get_string('grademin', 'grades'), 'grade'), true);
+        $mform->addHelpButton('grade_item_grademin', 'grademin', 'grades');
         $mform->disabledIf('grade_item_grademin', 'grade_item_gradetype', 'noteq', GRADE_TYPE_VALUE);
         $mform->disabledIf('grade_item_grademin', 'aggregation', 'eq', GRADE_AGGREGATE_SUM);
 
diff --git a/grade/edit/tree/item_form.php b/grade/edit/tree/item_form.php
index a414430a6ed..63b47a8bfed 100644
--- a/grade/edit/tree/item_form.php
+++ b/grade/edit/tree/item_form.php
@@ -80,7 +80,7 @@ class edit_item_form extends moodleform {
         $mform->disabledIf('grademax', 'gradetype', 'noteq', GRADE_TYPE_VALUE);
 
         $mform->addElement('text', 'grademin', get_string('grademin', 'grades'));
-        $mform->setHelpButton('grademin', array('grademin', get_string('grademin', 'grades'), 'grade'), true);
+        $mform->addHelpButton('grademin', 'grademin', 'grades');
         $mform->disabledIf('grademin', 'gradetype', 'noteq', GRADE_TYPE_VALUE);
 
         $mform->addElement('text', 'gradepass', get_string('gradepass', 'grades'));
diff --git a/lang/en/grades.php b/lang/en/grades.php
index 193b1a55c39..7e8ff5a1806 100755
--- a/lang/en/grades.php
+++ b/lang/en/grades.php
@@ -290,7 +290,6 @@ $string['grademax'] = 'Maximum grade';
 $string['grademax_help'] = 'This setting determines the maximum grade when using the value grade type. The maximum grade for an activity-based grade item is set on the activity settings page.';
 $string['grademin'] = 'Minimum grade';
 $string['grademin_help'] = 'This setting determines the minimum grade when using the value grade type.';
-$string['grademinhelp'] = 'When using the value grade type, a minimum grade can be set.';
 $string['gradeoutcomeitem'] = 'Grade outcome item';
 $string['gradeoutcomes'] = 'Outcomes';
 $string['gradeoutcomescourses'] = 'Course outcomes';
diff --git a/lang/en/help/grade/grademin.html b/lang/en/help/grade/grademin.html
deleted file mode 100644
index 1ad5aad6cd2..00000000000
--- a/lang/en/help/grade/grademin.html
+++ /dev/null
@@ -1,2 +0,0 @@
-<h1>Minimum Grade</h1>
-<p>When using the value grade type, a minimum grade can be set.</p>