diff --git a/client/modules/IDE/components/PreviewFrame.js b/client/modules/IDE/components/PreviewFrame.js
index 36d70ceb..e700b291 100644
--- a/client/modules/IDE/components/PreviewFrame.js
+++ b/client/modules/IDE/components/PreviewFrame.js
@@ -1,6 +1,7 @@
 import React, { PropTypes } from 'react';
 import ReactDOM from 'react-dom';
 import escapeStringRegexp from 'escape-string-regexp';
+import srcDoc from 'srcdoc-polyfill';
 
 // sandbox="allow-scripts allow-pointer-lock allow-same-origin allow-popups allow-modals allow-forms"
 
@@ -59,9 +60,14 @@ class PreviewFrame extends React.Component {
     const doc = ReactDOM.findDOMNode(this);
     if (this.props.isPlaying) {
       // TODO add polyfill for this
-      doc.srcdoc = this.injectLocalFiles();
+      // doc.srcdoc = this.injectLocalFiles();
+      srcDoc.set(doc, this.injectLocalFiles());
     } else {
-      doc.srcdoc = '';
+      // doc.srcdoc = '';
+      srcDoc.set(doc, '');
+      doc.contentWindow.document.open();
+      doc.contentWindow.document.write('');
+      doc.contentWindow.document.close();
     }
 
     // this.clearPreview();
diff --git a/index.html b/index.html
index 3153c672..de2e4106 100644
--- a/index.html
+++ b/index.html
@@ -9,6 +9,5 @@
     <div id="root" class="root-app">
     </div>
     <script src="/dist/bundle.js"></script>
-    <script src="/srcdoc-polyfill.js"></script>
   </body>
 </html>
diff --git a/static/srcdoc-polyfill.js b/static/srcdoc-polyfill.js
deleted file mode 100644
index 83fc788b..00000000
--- a/static/srcdoc-polyfill.js
+++ /dev/null
@@ -1,82 +0,0 @@
-(function(root, factory) {
-	// `root` does not resolve to the global window object in a Browserified
-	// bundle, so a direct reference to that object is used instead.
-	var _srcDoc = window.srcDoc;
-
-	if (typeof define === "function" && define.amd) {
-		define(['exports'], function(exports) {
-			factory(exports, _srcDoc);
-			root.srcDoc = exports;
-		});
-	} else if (typeof exports === "object") {
-		factory(exports, _srcDoc);
-	} else {
-		root.srcDoc = {};
-		factory(root.srcDoc, _srcDoc);
-	}
-})(this, function(exports, _srcDoc) {
-	var idx, iframes;
-	var isCompliant = !!("srcdoc" in document.createElement("iframe"));
-	var implementations = {
-		compliant: function( iframe, content ) {
-
-			if (content) {
-				iframe.setAttribute("srcdoc", content);
-			}
-		},
-		legacy: function( iframe, content ) {
-
-			var jsUrl;
-
-			if (!iframe || !iframe.getAttribute) {
-				return;
-			}
-
-			if (!content) {
-				content = iframe.getAttribute("srcdoc");
-			} else {
-				iframe.setAttribute("srcdoc", content);
-			}
-
-			if (content) {
-				// The value returned by a script-targeted URL will be used as
-				// the iFrame's content. Create such a URL which returns the
-				// iFrame element's `srcdoc` attribute.
-				jsUrl = "javascript: window.frameElement.getAttribute('srcdoc');";
-
-				iframe.setAttribute("src", jsUrl);
-
-				// Explicitly set the iFrame's window.location for
-				// compatability with IE9, which does not react to changes in
-				// the `src` attribute when it is a `javascript:` URL, for
-				// some reason
-				if (iframe.contentWindow) {
-					iframe.contentWindow.location = jsUrl;
-				}
-			}
-		}
-	};
-	var srcDoc = exports;
-	// Assume the best
-	srcDoc.set = implementations.compliant;
-	srcDoc.noConflict = function() {
-		window.srcDoc = _srcDoc;
-		return srcDoc;
-	};
-
-	// If the browser supports srcdoc, no shimming is necessary
-	if (isCompliant) {
-		return;
-	}
-
-	srcDoc.set = implementations.legacy;
-
-	// Automatically shim any iframes already present in the document
-	iframes = document.getElementsByTagName("iframe");
-	idx = iframes.length;
-
-	while (idx--) {
-		srcDoc.set( iframes[idx] );
-	}
-
-});