diff --git a/_config.yml b/_config.yml
index 8996bd33..0dbe8ad0 100644
--- a/_config.yml
+++ b/_config.yml
@@ -116,7 +116,6 @@ plugins:
   - jekyll-avatar
   - jekyll-titles-from-headings
   - jekyll-sitemap
-  - jekyll-toc
   - jekyll-redirect-from
 
 
diff --git a/_includes/head.html b/_includes/head.html
index 374b0822..ad2f7851 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -1,5 +1,9 @@
 <head>
-  {% gtm head %}
+  <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','{{site.google.tag_manager.container_id}}');</script>
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1">
diff --git a/_layouts/default.html b/_layouts/default.html
index 30ebc67f..b9fa7cc5 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -4,7 +4,11 @@
     {% include head.html %}
 
     <body>
-    {% gtm body %}
+      <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','{{site.google.tag_manager.container_id}}');</script>
 
     {% include header.html %}
 
