diff --git a/lib/Doctrine/ORM/Query/SqlWalker.php b/lib/Doctrine/ORM/Query/SqlWalker.php
index 0aa4349a1..6e607ffa9 100644
--- a/lib/Doctrine/ORM/Query/SqlWalker.php
+++ b/lib/Doctrine/ORM/Query/SqlWalker.php
@@ -501,7 +501,6 @@ class SqlWalker implements TreeWalker
             default:
                 //@todo: throw exception?
                 return '';
-                break;
         }
 
         $filterClauses = array();