diff --git a/public/js/public.js b/public/js/public.js
index 1a1e54267..e194fa795 100644
--- a/public/js/public.js
+++ b/public/js/public.js
@@ -8,7 +8,6 @@ require('jquery-ui/ui/widgets/autocomplete');
 require('../vendor/showup/showup');
 
 /* bootstrap */
-require('bootstrap');
 require('bootstrap/dist/css/bootstrap.css');
 
 require('prismjs/themes/prism.css');
diff --git a/public/js/slide.js b/public/js/slide.js
index f415e9d4e..6230d1599 100644
--- a/public/js/slide.js
+++ b/public/js/slide.js
@@ -1,30 +1,13 @@
-require('bootstrap');
 require('bootstrap/js/tooltip');
 require('bootstrap/dist/css/bootstrap.css');
 
 require('prismjs/themes/prism.css');
-require('highlight.js/styles/github-gist.css');
-
-require('markdown-it');
-require('markdown-it-abbr');
-require('markdown-it-footnote');
-require('markdown-it-deflist');
-require('markdown-it-mark');
-require('markdown-it-ins');
-require('markdown-it-sub');
-require('markdown-it-sup');
-require('markdown-it-container');
-require('markdown-it-mathjax');
-require('markdown-it-regexp');
-require('markdown-it-imsize');
 
 /* other vendors plugin */
 require('gist-embed');
 var S = require('string');
-require('highlight.js');
 require('prismjs');
 require('prismjs/components/prism-wiki');
-require('js-cookie');
 require('to-markdown');
 
 require('raphael');
@@ -33,9 +16,7 @@ require('js-sequence-diagrams');
 require('flowchart.js');
 require('file-saver');
 require('store');
-require('js-url');
 require('visibilityjs');
-require('list.js');
 require('../vendor/md-toc');
 require('randomcolor');