===================================================================
--- original.js
+++ change.js
@@ -9,43 +9,25 @@
 	var heroGraphics = self.createAsset('hero', 'Hero Graphics', .5, .5);
 	self.shoot = function () {};
 	self.update = function () {};
 });
-var Enemy = Container.expand(function () {
-	var self = Container.call(this);
-	var enemyGraphics = self.createAsset('enemy', 'Enemy Graphics', .5, .5);
-	self.move = function () {};
-	self.attack = function () {};
-});
 var Game = Container.expand(function () {
 	var self = Container.call(this);
 	var bubbles = [];
-	var enemies = [];
 	var hero = self.addChild(new Hero());
 	hero.x = 2048 / 2;
 	hero.y = 2732 - hero.height;
 	var spawnBubble = function () {
 		var newBubble = new Bubble();
 		bubbles.push(newBubble);
 		self.addChild(newBubble);
 	};
-	var spawnEnemy = function () {
-		var newEnemy = new Enemy();
-		enemies.push(newEnemy);
-		self.addChild(newEnemy);
-	};
 	LK.on('tick', function () {
 		hero.update();
 		for (var i = 0; i < bubbles.length; i++) {
 			bubbles[i].move();
 		}
-		for (var i = 0; i < enemies.length; i++) {
-			enemies[i].move();
-		}
 		if (LK.ticks % 60 == 0) {
 			spawnBubble();
 		}
-		if (LK.ticks % 300 == 0) {
-			spawnEnemy();
-		}
 	});
 });