diff --git a/index.html b/index.html
deleted file mode 100644
index 487ea61..0000000
--- a/index.html
+++ /dev/null
@@ -1,47 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-	<meta charset="utf-8">
-	<title>GitHub &amp; BitBucket HTML Preview</title>
-	<style>
-	body {
-		font: 12px 'Helvetica Neue', Helvetica, Arial, freesans, clean, sans-serif;
-		color: #333;
-	}
-	h1 {
-		font-size: 20px;
-	}
-	a {
-		color: #666;
-	}
-	#previewform {
-		display: none;
-		padding: 20px; 
-		text-align: center;
-	}
-	strong {
-		color: #333;
-		background-color: #FAFFA6;
-		padding: 0.1em;
-	}
-	#footer {
-		margin: 20px 0;
-		font-size: 10px;
-		color: #666;
-	}
-	</style>
-</head>
-<body>
-	<form id="previewform" onsubmit="location.href='/?'+this.file.value;return false">
-		<h1>GitHub &amp; BitBucket HTML Preview</h1>
-		<p>
-			Enter URL of the HTML file to preview:
-			<input type="url" id="file" value="" placeholder="e.g. https://github.com/user/repo/blob/master/index.html" size="60" autofocus>
-			<input type="submit" value="Preview">
-		</p>
-		<p>or prepend to the URL: <code><strong>http://htmlpreview.github.io/?</strong>https://github.com/twbs/bootstrap/blob/gh-pages/2.3.2/index.html</code></p>
-		<p id="footer">Developed by <a href="https://github.com/niutech">niu tech</a> | Contribute on <a href="https://github.com/htmlpreview/htmlpreview.github.com">GitHub</a></p>
-	</form>
-	<script src="/htmlpreview.js"></script>
-</body>
-</html>
