diff --git a/composer.json b/composer.json
index de1ab16..86aa93d 100644
--- a/composer.json
+++ b/composer.json
@@ -19,11 +19,6 @@
     "phpunit/phpunit": "~4.0",
     "mockery/mockery": "~0.9"
   },
-  "extra": {
-    "branch-alias": {
-      "dev-master": "1.0-dev"
-    }
-  },
   "autoload": {
     "psr-4": {
       "Dimsav\\IpService\\": "src/"