diff --git a/lib/Doctrine/ORM/Event/PreFlushEventArgs.php b/lib/Doctrine/ORM/Event/PreFlushEventArgs.php
index 8ed39b6cb..b86967a72 100644
--- a/lib/Doctrine/ORM/Event/PreFlushEventArgs.php
+++ b/lib/Doctrine/ORM/Event/PreFlushEventArgs.php
@@ -38,9 +38,6 @@ class PreFlushEventArgs extends \Doctrine\Common\EventArgs
      */
     private $_em;
 
-    //private $_entitiesToPersist = array();
-    //private $_entitiesToRemove = array();
-
     public function __construct($em)
     {
         $this->_em = $em;