Index: lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/web/action/GradebookMonitoringAction.java
===================================================================
diff -u -rb5c79ac2cac72eb7a817bc958d13f8927c962551 -r8da83506c9205fb2587a25df8e32ec59811d2e90
--- lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/web/action/GradebookMonitoringAction.java	(.../GradebookMonitoringAction.java)	(revision b5c79ac2cac72eb7a817bc958d13f8927c962551)
+++ lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/web/action/GradebookMonitoringAction.java	(.../GradebookMonitoringAction.java)	(revision 8da83506c9205fb2587a25df8e32ec59811d2e90)
@@ -282,12 +282,7 @@
 		Lesson lesson = lessonService.getLesson(lessonID);
 
 		boolean marksReleased = lesson.getMarksReleased() != null && lesson.getMarksReleased();
-		if (!marksReleased) {
 
-			// If marks not released, set a new release date
-			lesson.setReleaseDate(new Date());
-		}
-
 		lesson.setMarksReleased(!marksReleased);
 
 		userService.save(lesson);