diff --git a/mod/lesson/lib.php b/mod/lesson/lib.php
index d44ae7ca4ee..e9e3eab7c2f 100644
--- a/mod/lesson/lib.php
+++ b/mod/lesson/lib.php
@@ -482,18 +482,6 @@ function lesson_grade_item_update($lesson, $grades=null) {
     return grade_update('mod/lesson', $lesson->course, 'mod', 'lesson', $lesson->id, 0, $grades, $params);
 }
 
-/**
- * Delete grade item for given lesson
- *
- * @category grade
- * @param object $lesson object
- * @return object lesson
- */
-function lesson_grade_item_delete($lesson) {
-    global $CFG;
-
-}
-
 /**
  * List the actions that correspond to a view of this module.
  * This is used by the participation report.
diff --git a/mod/lesson/upgrade.txt b/mod/lesson/upgrade.txt
index 5fd45b49d96..4dadee5d761 100644
--- a/mod/lesson/upgrade.txt
+++ b/mod/lesson/upgrade.txt
@@ -1,6 +1,8 @@
 This files describes API changes in the lesson code.
 
 === 2.9 ===
+The  grade_item_delete function in mod/lesson/lib.php was removed because it was not doing anything and was never called.
+
 A third optional boolean parameter $endreached was added to lesson::update_timer to indicate that end of lesson was reached. This is used by 'completionendreached' custom completion rule.
 
 === Earlier changes ===