diff --git a/classes/User.php b/classes/User.php
index ef84342922..007662131c 100644
--- a/classes/User.php
+++ b/classes/User.php
@@ -714,6 +714,7 @@ class User extends Memcached_DataObject
         }
 
         $this->_deleteTags();
+        $this->_deleteBlocks();
 
         parent::delete();
     }