diff --git a/composer.json b/composer.json
index 37e9c3b..2bd2674 100644
--- a/composer.json
+++ b/composer.json
@@ -46,10 +46,5 @@
     "scripts": {
         "lint": "vendor/bin/phpcs src/ tests/",
         "lint-clean": "vendor/bin/phpcbf src/ tests/"
-    },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "4.x-dev"
-        }
     }
 }