diff --git a/mod/quiz/lib.php b/mod/quiz/lib.php
index 4e4276ceb5d..5513e8071ea 100644
--- a/mod/quiz/lib.php
+++ b/mod/quiz/lib.php
@@ -204,6 +204,7 @@ function quiz_delete_override($quiz, $overrideid) {
 
     $DB->delete_records('quiz_overrides', array('id' => $overrideid));
 
+    /* TODO MDL-45057 - Restore this event firing.
     // Set the common parameters for one of the events we will be triggering.
     $params = array(
         'objectid' => $override->id,
@@ -224,6 +225,7 @@ function quiz_delete_override($quiz, $overrideid) {
     // Trigger the override deleted event.
     $event->add_record_snapshot('quiz_overrides', $override);
     $event->trigger();
+    */
 
     return true;
 }