diff --git a/composer.json b/composer.json
index cecb304d..45dd4ff1 100644
--- a/composer.json
+++ b/composer.json
@@ -47,9 +47,6 @@
         "phpstan/extension-installer": "^1.3"
     },
     "extra": {
-        "branch-alias": {
-            "dev-master": "7.x-dev"
-        },
         "expose": [
             "client/dist"
         ]
@@ -73,4 +70,4 @@
             "silverstripe/vendor-plugin": true
         }
     }
-}
+}
\ No newline at end of file