diff --git a/app/models/post.rb b/app/models/post.rb
index c5f6a8d82..31ec0f1c1 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -286,14 +286,6 @@ class Post < ApplicationRecord
   end
 
   module ImageMethods
-    def device_scale
-      if large_image_width > 320
-        320.0 / (large_image_width + 10)
-      else
-        1.0
-      end
-    end
-
     def twitter_card_supported?
       image_width.to_i >= 280 && image_height.to_i >= 150
     end
diff --git a/app/views/mobile/posts/index.html.erb b/app/views/mobile/posts/index.html.erb
deleted file mode 100644
index e0f9d05ca..000000000
--- a/app/views/mobile/posts/index.html.erb
+++ /dev/null
@@ -1,41 +0,0 @@
-<%= form_tag(m_posts_path, :method => "get") do %>
-  <%= text_field_tag("tags", params[:tags], :size => 14) %>
-  <%= submit_tag "Go", :name => nil %>
-<% end %>
-
-<%= @post_set.presenter.post_previews_html(self, :path_prefix => "/m/posts") %>
-
-<%= sequential_paginator(@post_set.posts) %>
-
-<%= content_for(:html_header) do %>
-  <meta name="viewport" content="width=device-width,initial-scale=1">
-  <script type="text/javascript">
-  	$(function() {
-      $(document).on("swipeleft", function(e) {
-        if (e.gesture.distance > 150) {
-          var href = $(".paginator a[rel=next]").attr("href");
-          if (href) {
-            window.location = href;
-          }          
-        }
-      });
-
-      $(document).on("swiperight", function(e) {
-        if (e.gesture.distance > 150) {
-          var href = $(".paginator a[rel=prev]").attr("href");
-          if (href) {
-            window.location = href;
-          }
-        }
-      })
-  	});
-  </script>
-<% end %>
-
-<% content_for(:page_title) do %>
-  <% if @post_set.tag_string.present? %>
-    <%= @post_set.humanized_tag_string %> - <%= Danbooru.config.app_name %>
-  <% else %>
-    <%= Danbooru.config.app_name %>
-  <% end %>
-<% end %>
\ No newline at end of file
diff --git a/app/views/mobile/posts/show.html.erb b/app/views/mobile/posts/show.html.erb
deleted file mode 100644
index 60cbeb03f..000000000
--- a/app/views/mobile/posts/show.html.erb
+++ /dev/null
@@ -1,44 +0,0 @@
-<%= form_tag(m_posts_path, :method => "get") do %>
-  <%= text_field_tag("tags", params[:tags], :size => 20) %>
-  <%= submit_tag "Go", :name => nil %>
-<% end %>
-
-<%= @post.presenter.image_html(self) %>
-
-<div id="options">
-  <% if @post.favorited_by?(CurrentUser.user.id) %>
-    <%= link_to "Unfavorite", favorite_path(@post), :method => :delete %> |
-  <% else %>
-    <%= link_to "Favorite", favorites_path(:post_id => @post.id), :method => :post %> |
-  <% end %>
-</div>
-
-<div id="tags">
-  <%= @post.presenter.tag_list_html(self, :name_only => true, :path_prefix => "/m/posts") %>
-</div>
-
-<%= content_for(:html_header) do %>
-  <meta name="viewport" content="width=device-width,initial-scale=<%= @post.device_scale %>">
-  <script type="text/javascript">
-    $(function() {
-      $(document).on("swipeleft", function(e) {
-        if (e.gesture.distance > 150) {
-          var href = $(".paginator a[rel=next]").attr("href");
-          if (href) {
-            window.location = href;
-          }
-        }
-      });
-
-      $(document).on("swiperight", function(e) {
-        if (e.gesture.distance > 150) {
-          window.history.back();
-        }
-      })
-    });
-  </script>
-<% end %>
-
-<% content_for(:page_title) do %>
-  <%= @post.presenter.humanized_essential_tag_string %> - <%= Danbooru.config.app_name %>
-<% end %>