diff --git a/composer.json b/composer.json
index 5f4011d..384619c 100644
--- a/composer.json
+++ b/composer.json
@@ -12,11 +12,6 @@
 	"require-dev": {
 		"phpunit/PHPUnit": "~3.7@stable"
 	},
-	"extra": {
-		"branch-alias": {
-			"3.x-dev": "3.4.x-dev"
-		}
-	},
 	"config": {
 		"process-timeout": 600
 	},