diff --git a/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php b/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php
index e1505ea1f5..a72e52716a 100644
--- a/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php
+++ b/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php
@@ -138,8 +138,6 @@ class BinaryNode extends Node
                 return $left % $right;
             case 'matches':
                 return preg_match($right, $left);
-            case '!~':
-                return !preg_match($right, $left);
         }
     }
 }