diff --git a/components/HelloWorld.js b/components/HelloWorld.js
index 24e06e9..a84f8ba 100644
--- a/components/HelloWorld.js
+++ b/components/HelloWorld.js
@@ -1,7 +1,7 @@
-class HelloWorld extends React.Component {
-  render() {
-    return <h1>Hello, World!</h1>
+var HelloWorld = React.createClass({
+  render: function() {
+    return React.DOM.h1(null, "Hello World!")
   }
-}
+})
 
 window.App.HelloWorld = HelloWorld
diff --git a/index.html b/index.html
index 3f1cd1d..57e0a9f 100644
--- a/index.html
+++ b/index.html
@@ -3,8 +3,6 @@
   <head>
     <meta charset="utf-8" />
     <title>React Simple</title>
-    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.34/browser.js"></script>
-    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.34/browser-polyfill.js"></script>
     <script type="text/javascript" src="https://fb.me/react-0.14.7.js"></script>
     <script type="text/javascript" src="https://fb.me/react-dom-0.14.7.js"></script>
     <script type="text/javascript">
@@ -13,7 +11,8 @@
   </head>
   <body>
     <div id="app"></div>
-    <script type="text/babel" src="./components/HelloWorld.js"></script>
-    <script type="text/babel" src="./index.js"></script>
+
+    <script type="text/javascript" src="./components/HelloWorld.js"></script>
+    <script type="text/javascript" src="./index.js"></script>
   </body>
 </html>
diff --git a/index.js b/index.js
index bf369c3..d5d172c 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,3 @@
-const { HelloWorld } = window.App
+var HelloWorld = window.App.HelloWorld
 
-ReactDOM.render(<HelloWorld />, document.getElementById("app"))
+ReactDOM.render(React.createElement(HelloWorld, null), document.getElementById("app"))
