diff --git a/src/deprecation.js b/src/deprecation.js
index 696b77b..ec346af 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -1,12 +1,8 @@
 var core   = require('./core'),
     extras = require('./extras'),
+    mesh   = require('./mesh'),
     text   = require('./text');
 
-core.Stage = function ()
-{
-    window.console.warn('You do not need to use a PIXI Stage any more, you can simply render any container.');
-    return new core.Container();
-};
 
 core.SpriteBatch = function ()
 {
@@ -17,15 +13,33 @@
     window.console.warn('The loader system was overhauled in pixi v3, please see the new PIXI.Loader class.');
 };
 
-core.DisplayObjectContainer = function () {
-    window.console.warn('DisplayObjectContainer has been shortened to Container, please use Container from now on');
-    return new core.Container();
-};
+Object.defineProperties(core, {
 
-core.Strip = function (texture) {
-    window.console.warn('The Strip class has been renamed to Mesh, please use Mesh from now on');
-    return new extras.mesh.Mesh(texture);
-};
+    Stage: {
+        get: function ()
+        {
+            window.console.warn('You do not need to use a PIXI Stage any more, you can simply render any container.');
+            return new core.Container();
+        }
+    },
+
+    DisplayObjectContainer: {
+        get: function ()
+        {
+            window.console.warn('DisplayObjectContainer has been shortened to Container, please use Container from now on');
+            return new core.Container();
+        }
+    },
+
+    Strip: {
+        get: function ()
+        {
+            window.console.warn('The Strip class has been renamed to Mesh, please use Mesh from now on');
+            return new mesh.Mesh(texture);
+        }
+    }
+
+});
 
 core.Sprite.prototype.setTexture = function (texture)
 {