diff --git a/composer.json b/composer.json
index 6477d87..3cb42f8 100644
--- a/composer.json
+++ b/composer.json
@@ -61,10 +61,7 @@
         "preferred-install": {
             "*": "dist"
         },
-        "sort-packages": true,
-        "allow-plugins": {
-            "symfony/flex": true
-        }
+        "sort-packages": true
     },
     "autoload": {
         "psr-4": {