diff --git a/composer.json b/composer.json
index 0afccee..cc5b1ce 100644
--- a/composer.json
+++ b/composer.json
@@ -22,9 +22,6 @@
         "sort-packages": true
     },
     "extra": {
-        "branch-alias": {
-            "dev-master": "1.0.x-dev"
-        }
     },
     "autoload": {
         "psr-4": {