diff --git a/assets/javascripts/views/pages/github.coffee b/assets/javascripts/views/pages/github.coffee
deleted file mode 100644
index d7f57e05..00000000
--- a/assets/javascripts/views/pages/github.coffee
+++ /dev/null
@@ -1,9 +0,0 @@
-#= require views/pages/base
-
-class app.views.GithubPage extends app.views.BasePage
-  LANGUAGE_RGX = /highlight-source-(\w+)/
-
-  prepare: ->
-    for el in @findAll('pre.highlight')
-      @highlightCode(el, el.className.match(LANGUAGE_RGX)[1])
-    return
diff --git a/assets/javascripts/views/pages/simple.coffee b/assets/javascripts/views/pages/simple.coffee
index c86c65f9..f1405f55 100644
--- a/assets/javascripts/views/pages/simple.coffee
+++ b/assets/javascripts/views/pages/simple.coffee
@@ -28,6 +28,7 @@ app.views.EmberPage =
 app.views.ErlangPage =
 app.views.ExpressPage =
 app.views.FlowPage =
+app.views.GithubPage =
 app.views.GoPage =
 app.views.ImmutablePage =
 app.views.InfluxdataPage =
diff --git a/lib/docs/filters/github/clean_html.rb b/lib/docs/filters/github/clean_html.rb
index c252101a..80c8ea99 100644
--- a/lib/docs/filters/github/clean_html.rb
+++ b/lib/docs/filters/github/clean_html.rb
@@ -8,11 +8,15 @@ module Docs
         end
 
         css('.highlight > pre').each do |node|
-          node['class'] = node.parent['class']
+          node['data-language'] = node.parent['class'][/highlight-source-(\w+)/, 1]
           node.content = node.content.strip_heredoc.gsub('    ', '  ')
           node.parent.replace(node)
         end
 
+        css('pre > code').each do |node|
+          node.before(node.children).remove
+        end
+
         doc
       end
     end
diff --git a/lib/docs/filters/nginx_lua_module/clean_html.rb b/lib/docs/filters/nginx_lua_module/clean_html.rb
index 4acceeb9..5ab23f80 100644
--- a/lib/docs/filters/nginx_lua_module/clean_html.rb
+++ b/lib/docs/filters/nginx_lua_module/clean_html.rb
@@ -8,6 +8,10 @@ module Docs
           node.name = node.name.sub(/\d/) { |i| i.to_i + 1 }
         end
 
+        css('a > img').each do |node|
+          node.parent.before(node.parent.children).remove
+        end
+
         doc
       end
     end