diff --git a/example/natspec_contract.html b/example/natspec_contract.html
index 5a3c9e6c5..40561a27c 100644
--- a/example/natspec_contract.html
+++ b/example/natspec_contract.html
@@ -2,10 +2,8 @@
 <html>
 
 <head>
-<script type="text/javascript" src="js/es6-promise/promise.min.js"></script>
 <script type="text/javascript" src="js/bignumber.js/bignumber.min.js"></script>
 <script type="text/javascript" src="../dist/ethereum.js"></script>
-<script type="text/javascript" src="../../natspec.js"></script>
 <script type="text/javascript">
 
     var web3 = require('web3');
