diff --git a/src/Symfony/Component/HttpFoundation/Tests/Fixtures/response-functional/common.inc b/src/Symfony/Component/HttpFoundation/Tests/Fixtures/response-functional/common.inc
index ba101d357852..f9c40a9a3c5e 100644
--- a/src/Symfony/Component/HttpFoundation/Tests/Fixtures/response-functional/common.inc
+++ b/src/Symfony/Component/HttpFoundation/Tests/Fixtures/response-functional/common.inc
@@ -22,6 +22,10 @@ error_reporting(-1);
 ini_set('html_errors', 0);
 ini_set('display_errors', 1);
 
+if (ini_get('xdebug.default_enable')) {
+    xdebug_disable();
+}
+
 header_remove('X-Powered-By');
 header('Content-Type: text/plain; charset=utf-8');