diff --git a/composer.json b/composer.json
index 7102193..84ebae4 100644
--- a/composer.json
+++ b/composer.json
@@ -30,10 +30,5 @@
     "fix-cs": "php-cs-fixer fix -v --show-progress=estimating",
     "check-cs": "php-cs-fixer fix --dry-run -v --show-progress=estimating",
     "unit-tests": "phpunit -c phpunit.xml.dist"
-  },
-  "extra": {
-    "branch-alias": {
-      "dev-master": "1.0.x-dev"
-    }
   }
 }