diff --git a/composer.json b/composer.json
index 03498af9..7b1ce63c 100644
--- a/composer.json
+++ b/composer.json
@@ -33,8 +33,7 @@
     "ext-inotify": "*",
     "game-worker/kiri-pool": "^v1.0",
     "psr/container": "^2.0",
-    "swiftmailer/swiftmailer": "^v6.3.0",
-    "ext-mongodb": "*"
+    "swiftmailer/swiftmailer": "^v6.3.0"
   },
   "replace": {
     "symfony/polyfill-apcu": "*",