diff --git a/composer.json b/composer.json
index 8cbd084..35c246e 100644
--- a/composer.json
+++ b/composer.json
@@ -18,10 +18,5 @@
         "php": ">=5.6.0",
         "symfony/validator": "2.*",
         "deblan/csv": "dev-master"
-    },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "1-dev"
-        }
     }
 }