diff --git a/composer.json b/composer.json
index 2db4e63..1969fa2 100644
--- a/composer.json
+++ b/composer.json
@@ -34,11 +34,6 @@
     }
   ],
   "minimum-stability": "stable",
-  "extra": {
-    "branch-alias": {
-      "dev-master": "master"
-    }
-  },
   "config": {
     "optimize-autoloader": true
   }