diff --git a/src/Symfony/Component/DependencyInjection/Tests/CrossCheckTest.php b/src/Symfony/Component/DependencyInjection/Tests/CrossCheckTest.php
index 692d73dbcd..7905e7f3c6 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/CrossCheckTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/CrossCheckTest.php
@@ -73,24 +73,17 @@ class CrossCheckTest extends \PHPUnit_Framework_TestCase
 
     public function crossCheckLoadersDumpers()
     {
-        $tests = array(
+        return array(
             array('services1.xml', 'xml'),
             array('services2.xml', 'xml'),
             array('services6.xml', 'xml'),
             array('services8.xml', 'xml'),
             array('services9.xml', 'xml'),
+            array('services1.yml', 'yaml'),
+            array('services2.yml', 'yaml'),
+            array('services6.yml', 'yaml'),
+            array('services8.yml', 'yaml'),
+            array('services9.yml', 'yaml'),
         );
-
-        if (class_exists('Symfony\Component\Yaml\Yaml')) {
-            $tests = array_merge($tests, array(
-                array('services1.yml', 'yaml'),
-                array('services2.yml', 'yaml'),
-                array('services6.yml', 'yaml'),
-                array('services8.yml', 'yaml'),
-                array('services9.yml', 'yaml'),
-            ));
-        }
-
-        return $tests;
     }
 }