diff --git a/composer.json b/composer.json
index 6fe62fcf..b9d502e4 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,9 @@
     "ext-inotify": "*",
     "game-worker/kiri-pool": "~v1.0",
     "monolog/monolog": "^2.9",
-    "psr/container": "^2.0"
+    "psr/container": "^2.0",
+    "ext-libsodium": "*",
+    "swiftmailer/swiftmailer": "^6.3"
   },
   "replace": {
     "symfony/polyfill-apcu": "*",
diff --git a/function.php b/function.php
index cd395769..80928fa8 100644
--- a/function.php
+++ b/function.php
@@ -102,23 +102,6 @@ if (!function_exists('call')) {
 
 }
 
-
-if (!function_exists('map')) {
-
-
-    /**
-     * @param array $params
-     * @param Closure $closure
-     * @return mixed
-     */
-    function map(array $params, Closure $closure): mixed
-    {
-        return array_map($closure, $params);
-    }
-
-}
-
-
 if (!function_exists('checkPortIsAlready')) {