diff --git a/easeljs/easeljs-tests.ts b/easeljs/easeljs-tests.ts
index 75eabca23..7f946b9da 100644
--- a/easeljs/easeljs-tests.ts
+++ b/easeljs/easeljs-tests.ts
@@ -4,17 +4,16 @@ var stage: any;
 var myContext2D: any;
 
 function test_simple() {
-    var canvas = <HTMLCanvasElement>document.getElementById('canvas');
-    var stage = new createjs.Stage(canvas);
-    var shape = new createjs.Shape();
+    var canvas: HTMLCanvasElement = <HTMLCanvasElement>document.getElementById('canvas');
+    var stage: createjs.Stage = new createjs.Stage(canvas);
+    var shape: createjs.Shape = new createjs.Shape();
     shape.graphics.beginFill('rgba(255,0,0,1)').drawRoundRect(0, 0, 120, 120, 10);
     stage.addChild(shape);
     stage.update();
-
 }
 
 function test_animation() {
-    var ss = new createjs.SpriteSheet({
+    var ss: createjs.SpriteSheet = new createjs.SpriteSheet({
         "frames": {
             "width": 200,
             "numFrames": 64,
@@ -30,7 +29,7 @@ function test_animation() {
     ss.getAnimation("run").next = "jump";
     ss.getAnimation("jump").next = "run";
 
-    var sprite:createjs.Sprite = new createjs.Sprite(ss);
+    var sprite: createjs.Sprite = new createjs.Sprite(ss);
     sprite.scaleY = sprite.scaleX = .4;
 
     sprite.gotoAndPlay("run");
@@ -41,12 +40,12 @@ function test_animation() {
 }
 
 function test_graphics() {
-    var g = new createjs.Graphics();
+    var g: createjs.Graphics = new createjs.Graphics();
     g.setStrokeStyle(1);
     g.beginStroke(createjs.Graphics.getRGB(0, 0, 0));
     g.beginFill(createjs.Graphics.getRGB(255, 0, 0));
     g.drawCircle(0, 0, 3);
-    var s = new createjs.Shape(g);
+    var s: createjs.Shape = new createjs.Shape(g);
     s.x = 100;
     s.y = 100;
     stage.addChild(s);
diff --git a/soundjs/soundjs-tests.ts b/soundjs/soundjs-tests.ts
index fed2f37ff..d3b60908a 100644
--- a/soundjs/soundjs-tests.ts
+++ b/soundjs/soundjs-tests.ts
@@ -7,7 +7,7 @@ createjs.Sound.addEventListener("fileload", createjs.proxy(this.loadHandler, thi
 createjs.Sound.registerSound("path/to/mySound.mp3|path/to/mySound.ogg", "sound");
 function loadHandler(event):void {
     // This is fired for each sound that is registered.
-    var instance = createjs.Sound.play("sound");  // play using id.  Could also use full sourcepath or event.src.
+    var instance: createjs.SoundInstance = createjs.Sound.play("sound");  // play using id.  Could also use full sourcepath or event.src.
     instance.addEventListener("complete", createjs.proxy(this.handleComplete, this));
     instance.setVolume(0.5);
 }
\ No newline at end of file
diff --git a/tweenjs/tweenjs-tests.ts b/tweenjs/tweenjs-tests.ts
index 63b0752e9..d05c8d9ac 100644
--- a/tweenjs/tweenjs-tests.ts
+++ b/tweenjs/tweenjs-tests.ts
@@ -2,7 +2,7 @@
 ///<reference path="../easeljs/easeljs.d.ts"/>
 
 var target: createjs.DisplayObject = new createjs.DisplayObject();
-var Tween = createjs.Tween; 
+var Tween: createjs.Tween = createjs.Tween; 
 
 // source : http://www.createjs.com/Docs/TweenJS/modules/TweenJS.html
 // Chainable modules :