diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 75ac71f4bde..f9576e9f19d 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -4275,7 +4275,7 @@ function delete_user(stdClass $user) {
     // Now do a brute force cleanup.
 
     // Delete all user events and subscription events.
-    $DB->delete_records_select('event', 'userid = :userid AND subscriptionid IS NOT NULL', ['userid' => $user->id]);
+    $DB->delete_records_select('event', 'userid = :userid', ['userid' => $user->id]);
 
     // Now, delete all calendar subscription from the user.
     $DB->delete_records('event_subscriptions', ['userid' => $user->id]);