diff --git a/src/Symfony/Component/Config/Definition/Builder/TreeBuilder.php b/src/Symfony/Component/Config/Definition/Builder/TreeBuilder.php
index d7dbf6a93d..1a4a203511 100644
--- a/src/Symfony/Component/Config/Definition/Builder/TreeBuilder.php
+++ b/src/Symfony/Component/Config/Definition/Builder/TreeBuilder.php
@@ -11,10 +11,7 @@
 
 namespace Symfony\Component\Config\Definition\Builder;
 
-use Symfony\Component\Config\Definition\BaseNode;
-
 use Symfony\Component\Config\Definition\BooleanNode;
-
 use Symfony\Component\Config\Definition\ArrayNode;
 use Symfony\Component\Config\Definition\ScalarNode;
 use Symfony\Component\Config\Definition\VariableNode;