diff --git a/app/Game/Client/GameController.js b/app/Game/Client/GameController.js
index 940dba6..c53f026 100755
--- a/app/Game/Client/GameController.js
+++ b/app/Game/Client/GameController.js
@@ -38,10 +38,6 @@ function(Parent, PhysicsEngine, ViewController, KeyboardController, requestAnimF
     	}
 	}
 
-	GameController.prototype.destroy = function() {
-		Parent.prototype.destroy.call(this);
-	}
-
 	GameController.prototype.meJoined = function(user) {
 		this.me = this.userJoined(user);
 		this.keyboardController = new KeyboardController(this.me, this);
diff --git a/app/Game/Server/NotificationCenter.js b/app/Game/Server/NotificationCenter.js
old mode 100644
new mode 100755
index 976c450..b243c28
--- a/app/Game/Server/NotificationCenter.js
+++ b/app/Game/Server/NotificationCenter.js
@@ -1,11 +1,15 @@
-define(function() {
+define([
+],
 
-	function NotificationCenter() {
+function() {
+
+    function NotificationCenter() {
         this.topics = {};
         this.subUid = -1;
-	}
+    }
 
     NotificationCenter.prototype.trigger = function(topic, args) {
+
         if (!this.topics[topic]) {
             throw "No such topic " + topic + ". Could not trigger.";
         }
@@ -16,11 +20,10 @@ define(function() {
         while (len--) {
             subscribers[len].func(topic, args);
         }
-
-        return this;
     }
 
     NotificationCenter.prototype.on = function(topic, func) {
+        
         if (!this.topics[topic]) {
             this.topics[topic] = [];
         }
@@ -46,8 +49,7 @@ define(function() {
                 }
             }
         }
-        return this;
     }
 
-	return NotificationCenter;
+    return new NotificationCenter(); // making it singletone
 });
\ No newline at end of file