diff --git a/composer.json b/composer.json
index cf377409..e78bc8a7 100644
--- a/composer.json
+++ b/composer.json
@@ -52,9 +52,6 @@
         }
     },
     "extra": {
-        "branch-alias": {
-            "dev-master": "12.x-dev"
-        },
         "laravel": {
             "providers": [
                 "Laravel\\Passport\\PassportServiceProvider"