diff --git a/lib/class/compositionEnumns.js b/lib/class/compositionEnumns.js
index <HASH>..<HASH> 100644
--- a/lib/class/compositionEnumns.js
+++ b/lib/class/compositionEnumns.js
@@ -22,7 +22,5 @@ module.exports.PluginManager = {
 
         return manager;
     },
-    filterKeys: function(key) {
-        return key === 'destroyPlugins';
-    }
+    filterKeys: ['destroyPlugins']
 };
\ No newline at end of file
move plugin manger to seperate file