diff --git a/composer.json b/composer.json
index 75bb640..d998da0 100644
--- a/composer.json
+++ b/composer.json
@@ -23,11 +23,7 @@
     "extra": {
         "project-files": [
             "mysite/code/*"
-        ],
-        "branch-alias": {
-            "1.x-dev": "1.1.x-dev",
-            "dev-master": "2.x-dev"
-        }
+        ]
     },
     "config": {
         "process-timeout": 600