diff --git a/app/assets/javascripts/mobile.js b/app/assets/javascripts/mobile.js
deleted file mode 100644
index 0e97398ed..000000000
--- a/app/assets/javascripts/mobile.js
+++ /dev/null
@@ -1,7 +0,0 @@
-//= require jquery-1.10.1.min.js
-//= require hammer.min.js
-//= require jquery.hammer.min.js
-
-$(function() {
-  $(document).hammer();
-});
diff --git a/app/views/layouts/mobile.html.erb b/app/views/layouts/mobile.html.erb
index 768a5485c..bf1349edb 100644
--- a/app/views/layouts/mobile.html.erb
+++ b/app/views/layouts/mobile.html.erb
@@ -5,7 +5,6 @@
   <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
   <%= csrf_meta_tag %>
   <%= stylesheet_link_tag "mobile", :media => "screen" %>
-  <%= javascript_include_tag "mobile" %>
   <%= Danbooru.config.custom_html_header_content %>
   <%= yield :html_header %>
 </head>
diff --git a/config/danbooru_default_config.rb b/config/danbooru_default_config.rb
index f7ce37b09..294c88650 100644
--- a/config/danbooru_default_config.rb
+++ b/config/danbooru_default_config.rb
@@ -4,7 +4,7 @@ module Danbooru
   class Configuration
     # The version of this Danbooru.
     def version
-      "2.57.0"
+      "2.58.0"
     end
 
     # The name of this Danbooru.