diff --git a/composer.json b/composer.json
index 3936634..3a3edac 100644
--- a/composer.json
+++ b/composer.json
@@ -39,10 +39,5 @@
         "psr-4": {
             "Symfony\\Cmf\\Component\\Routing\\Tests\\": "tests/"
         }
-    },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "3.x-dev"
-        }
     }
 }