diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index 41b7298a1..05bb3661d 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -2,13 +2,6 @@
 <html>
 
     <head>
-        <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
-        <script>
-            (adsbygoogle = window.adsbygoogle || []).push({
-                google_ad_client: "ca-pub-5073224535135889",
-                enable_page_level_ads: true
-            });
-        </script>
         <meta name="baidu-site-verification" content="TUNbZyzuOn" />
         {% seo %}
         <script type="text/javascript" src="http://tajs.qq.com/stats?sId=60680063" charset="UTF-8"></script>
@@ -29,14 +22,6 @@
                     s.parentNode.insertBefore(hm, s);
                 })();
         </script>
-        <!-- Google Tag Manager -->
-        <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
-            new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
-                j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
-                'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
-        })(window,document,'script','dataLayer','GTM-PCLWNCD');
-        </script>
-        <!-- End Google Tag Manager -->
         <script>
             ((window.gitter = {}).chat = {}).options = {
                 room: 'SpaceVim/SpaceVim'
@@ -66,11 +51,6 @@
     </head>
 
     <body>
-        <!-- Google Tag Manager (noscript) -->
-        <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PCLWNCD"
-                height="0" width="0" style="display:none;visibility:hidden"></iframe>
-        </noscript>
-        <!-- End Google Tag Manager (noscript) -->
         <a href="https://github.com/SpaceVim/SpaceVim">
             <img alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_green_007200.png" src="https://camo.githubusercontent.com/e7bbb0521b397edbd5fe43e7f760759336b5e05f/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f677265656e5f3030373230302e706e67" style="position: absolute; top: 0; right: 0; border: 0;"/>
         </a>
