diff --git a/composer.json b/composer.json
index c151c6a5..7a71cd87 100644
--- a/composer.json
+++ b/composer.json
@@ -71,10 +71,5 @@
         "files": [
             "phpseclib/Crypt/Random.php"
         ]
-    },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "0.3-dev"
-        }
     }
 }