diff --git a/composer.json b/composer.json
index 2e0ea7ec..fb45e10e 100644
--- a/composer.json
+++ b/composer.json
@@ -35,10 +35,6 @@
         "se/selenium-server-standalone": "2.41.0"
     },
     "extra": {
-        "branch-alias": {
-            "4.x-dev": "4.0.x-dev",
-            "dev-master": "5.x-dev"
-        },
         "expose": [
             "client/dist",
             "client/lang"
@@ -57,4 +53,4 @@
     },
     "prefer-stable": true,
     "minimum-stability": "dev"
-}
+}
\ No newline at end of file