diff --git a/app/assets/javascripts/autocomplete.js b/app/assets/javascripts/autocomplete.js
index 943b64e35..e70200f39 100644
--- a/app/assets/javascripts/autocomplete.js
+++ b/app/assets/javascripts/autocomplete.js
@@ -93,7 +93,7 @@
     var prefixes = "-|~|general:|gen:|artist:|art:|copyright:|copy:|co:|character:|char:|ch:";
     var metatags = "order|-status|status|-rating|rating|-locked|locked|child|filetype|-filetype|" +
       "-user|user|-approver|approver|commenter|comm|noter|noteupdater|artcomm|-fav|fav|ordfav|" +
-      "sub|-pool|pool|ordpool|favgroup|-search|search";
+      "-pool|pool|ordpool|favgroup|-search|search";
 
     $fields_multiple.autocomplete({
       delay: 100,
diff --git a/app/assets/stylesheets/specific/tag_subscriptions.scss b/app/assets/stylesheets/specific/tag_subscriptions.scss
index 9fd68c2b3..c353a0780 100644
--- a/app/assets/stylesheets/specific/tag_subscriptions.scss
+++ b/app/assets/stylesheets/specific/tag_subscriptions.scss
@@ -7,12 +7,6 @@ div#c-tag-subscriptions {
     font-style: italic;
   }
 
-  div#a-posts {
-    h1 {
-      font-size: $h3_size;
-    }
-  }
-
   .hint {
     display: block;
   }
diff --git a/app/controllers/tag_subscriptions_controller.rb b/app/controllers/tag_subscriptions_controller.rb
index 6eab9c6a0..ae0d34869 100644
--- a/app/controllers/tag_subscriptions_controller.rb
+++ b/app/controllers/tag_subscriptions_controller.rb
@@ -1,19 +1,7 @@
 class TagSubscriptionsController < ApplicationController
-  before_filter :disable_feature, :only => [:create]
-  before_filter :member_only, :only => [:new, :edit, :create, :update, :destroy, :migrate]
+  before_filter :member_only, :only => [:destroy, :migrate]
   respond_to :html, :xml, :json
 
-  def new
-    @tag_subscription = TagSubscription.new
-    respond_with(@tag_subscription)
-  end
-
-  def edit
-    @tag_subscription = TagSubscription.find(params[:id])
-    check_privilege(@tag_subscription)
-    respond_with(@tag_subscription)
-  end
-
   def index
     @user = CurrentUser.user
     @query = TagSubscription.order("name").search(params[:search])
@@ -21,34 +9,6 @@ class TagSubscriptionsController < ApplicationController
     respond_with(@tag_subscriptions)
   end
 
-  def create
-    @tag_subscription = TagSubscription.create(params[:tag_subscription])
-    respond_with(@tag_subscription) do |format|
-      format.html do
-        if @tag_subscription.errors.any?
-          render :action => "new"
-        else
-          redirect_to tag_subscriptions_path
-        end
-      end
-    end
-  end
-
-  def update
-    @tag_subscription = TagSubscription.find(params[:id])
-    check_privilege(@tag_subscription)
-    @tag_subscription.update_attributes(params[:tag_subscription])
-    respond_with(@tag_subscription) do |format|
-      format.html do
-        if @tag_subscription.errors.any?
-          render :action => "edit"
-        else
-          redirect_to tag_subscriptions_path
-        end
-      end
-    end
-  end
-
   def destroy
     @tag_subscription = TagSubscription.find(params[:id])
     check_privilege(@tag_subscription)
@@ -56,12 +16,6 @@ class TagSubscriptionsController < ApplicationController
     respond_with(@tag_subscription)
   end
 
-  def posts
-    @user = User.find(params[:id])
-    @post_set = PostSets::Post.new("sub:#{@user.name} #{params[:tags]}", params[:page])
-    @posts = @post_set.posts
-  end
-
   def migrate
     @tag_subscription = TagSubscription.find(params[:id])
     check_privilege(@tag_subscription)
@@ -71,12 +25,6 @@ class TagSubscriptionsController < ApplicationController
   end
 
 private
-  def disable_feature
-    flash[:notice] = "Tag subscriptions are disabled"
-    redirect_to tag_subscriptions_path
-    return false
-  end
-
   def check_privilege(tag_subscription)
     raise User::PrivilegeError unless tag_subscription.editable_by?(CurrentUser.user)
   end
diff --git a/app/helpers/delayed_jobs_helper.rb b/app/helpers/delayed_jobs_helper.rb
index 13d75c5f3..97cdd92f4 100644
--- a/app/helpers/delayed_jobs_helper.rb
+++ b/app/helpers/delayed_jobs_helper.rb
@@ -13,9 +13,6 @@ module DelayedJobsHelper
     when "Moderator::TagBatchChange"
       "<strong>tag batch change</strong>"
 
-    when "TagSubscription.process"
-      "<strong>process tag subscription</strong>"
-
     when "Class#expire_cache"
       "<strong>expire post count cache</strong>"
 
@@ -40,9 +37,6 @@ module DelayedJobsHelper
     when "Tag#update_category_post_counts"
       "<strong>update category post counts</strong>"
 
-    when "Class#process"
-      "<strong>update tag subscription</strong>"
-
     when "Class#remove_iqdb"
       "<strong>remove from iqdb</strong>"
 
@@ -80,9 +74,6 @@ module DelayedJobsHelper
     when "Moderator::TagBatchChange"
       h(job.payload_object.antecedent) + " -> " + h(job.payload_object.consequent)
 
-    when "TagSubscription.process"
-      ""
-
     when "Class#expire_cache"
       h(job.payload_object.args.flatten.join(" "))
 
diff --git a/app/models/tag.rb b/app/models/tag.rb
index b3a08c0e5..8fe96d00f 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -1,6 +1,6 @@
 class Tag < ApplicationRecord
   COSINE_SIMILARITY_RELATED_TAG_THRESHOLD = 1000
-  METATAGS = "-user|user|-approver|approver|commenter|comm|noter|noteupdater|artcomm|-pool|pool|ordpool|-favgroup|favgroup|-fav|fav|ordfav|sub|md5|-rating|rating|-locked|locked|width|height|mpixels|ratio|score|favcount|filesize|source|-source|id|-id|date|age|order|limit|-status|status|tagcount|gentags|arttags|chartags|copytags|parent|-parent|child|pixiv_id|pixiv|search|upvote|downvote|filetype|-filetype|flagger|-flagger|appealer|-appealer"
+  METATAGS = "-user|user|-approver|approver|commenter|comm|noter|noteupdater|artcomm|-pool|pool|ordpool|-favgroup|favgroup|-fav|fav|ordfav|md5|-rating|rating|-locked|locked|width|height|mpixels|ratio|score|favcount|filesize|source|-source|id|-id|date|age|order|limit|-status|status|tagcount|gentags|arttags|chartags|copytags|parent|-parent|child|pixiv_id|pixiv|search|upvote|downvote|filetype|-filetype|flagger|-flagger|appealer|-appealer"
   SUBQUERY_METATAGS = "commenter|comm|noter|noteupdater|artcomm|flagger|-flagger|appealer|-appealer"
   attr_accessible :category, :as => [:moderator, :gold, :platinum, :member, :anonymous, :default, :builder, :admin]
   attr_accessible :is_locked, :as => [:moderator, :admin]
diff --git a/app/models/tag_subscription.rb b/app/models/tag_subscription.rb
index 8dd929746..a9e25d72f 100644
--- a/app/models/tag_subscription.rb
+++ b/app/models/tag_subscription.rb
@@ -1,13 +1,7 @@
 class TagSubscription < ApplicationRecord
   belongs_to :creator, :class_name => "User"
-  before_validation :initialize_creator, :on => :create
-  before_validation :initialize_post_ids, :on => :create
-  before_save :normalize_name
-  before_save :limit_tag_count
   attr_accessible :name, :tag_query, :post_ids, :is_public, :is_visible_on_profile
   validates_presence_of :name, :tag_query, :creator_id
-  validate :validate_number_of_queries
-  validate :creator_can_create_subscriptions, :on => :create
 
   def migrate_to_saved_searches
     tag_query.split(/\r\n|\r|\n/).each do |query|
@@ -15,10 +9,6 @@ class TagSubscription < ApplicationRecord
     end
   end
 
-  def normalize_name
-    self.name = name.gsub(/\s+/, "_")
-  end
-
   def pretty_name
     name.tr("_", " ")
   end
@@ -27,60 +17,14 @@ class TagSubscription < ApplicationRecord
     tag_query_array.join(", ")
   end
 
-  def initialize_creator
-    self.creator_id = CurrentUser.id
-  end
-
-  def initialize_post_ids
-    process
-  end
-
-  def creator_can_create_subscriptions
-    if TagSubscription.owned_by(creator).count >= Danbooru.config.max_tag_subscriptions
-      self.errors.add(:creator, "can create up to #{Danbooru.config.max_tag_subscriptions} tag subscriptions")
-      return false
-    else
-      return true
-    end
-  end
-
-  def validate_number_of_queries
-    if tag_query_array.size > 20 || tag_query_array.size < 1
-      self.errors.add(:tag_query, "can have up to 20 queries")
-      return false
-    else
-      return true
-    end
-  end
-
   def tag_query_array
     tag_query.scan(/[^\r\n]+/).map(&:strip)
   end
 
-  def limit_tag_count
-    # self.tag_query = tag_query_array.slice(0, 20).join(" ")
-  end
-
-  def process
-    divisor = [tag_query_array.size / 2, 1].max
-    post_ids = tag_query_array.inject([]) do |all, query|
-      all += PostReadOnly.tag_match(query).limit(Danbooru.config.tag_subscription_post_limit / divisor).select("posts.id").order("posts.id DESC").map(&:id)
-    end
-    self.post_ids = post_ids.sort.reverse.slice(0, Danbooru.config.tag_subscription_post_limit).join(",")
-  end
-
-  def is_active?
-    creator.is_gold? && creator.last_logged_in_at && creator.last_logged_in_at > 3.months.ago
-  end
-
   def editable_by?(user)
     user.is_moderator? || creator_id == user.id
   end
 
-  def post_id_array
-    post_ids.split(/,/)
-  end
-
   module SearchMethods
     def visible_to(user)
       where("(is_public = TRUE OR creator_id = ? OR ?)", user.id, user.is_moderator?)
@@ -117,71 +61,4 @@ class TagSubscription < ApplicationRecord
   end
 
   extend SearchMethods
-
-  def self.find_tags(subscription_name)
-    if subscription_name =~ /^(.+?):(.+)$/
-      user_name = $1
-      sub_group = $2
-    else
-      user_name = subscription_name
-      sub_group = nil
-    end
-
-    user = User.find_by_name(user_name)
-
-    if user
-      relation = where(["creator_id = ?", user.id])
-
-      if sub_group
-        relation = relation.where(["name ILIKE ? ESCAPE E'\\\\'", sub_group.to_escaped_for_sql_like])
-      end
-
-      relation.map {|x| x.tag_query_array}.flatten
-    else
-      []
-    end
-  end
-
-  def self.find_post_ids(user_id, name = nil, limit = Danbooru.config.tag_subscription_post_limit)
-    relation = where("creator_id = ?", user_id)
-
-    if name
-      relation = relation.where("lower(name) LIKE ? ESCAPE E'\\\\'", name.mb_chars.downcase.to_escaped_for_sql_like)
-    end
-
-    relation.each do |tag_sub|
-      tag_sub.update_column(:last_accessed_at, Time.now)
-    end
-
-    relation.map {|x| x.post_ids.split(/,/)}.flatten.uniq.map(&:to_i).sort.reverse.slice(0, limit)
-  end
-
-  def self.find_posts(user_id, name = nil, limit = Danbooru.config.tag_subscription_post_limit)
-    arel = Post.where(["id in (?)", find_post_ids(user_id, name, limit)])
-
-    if CurrentUser.user.hide_deleted_posts?
-      arel = arel.where("is_deleted = false")
-    end
-
-    arel.order("id DESC").limit(limit)
-  end
-
-  def self.process(id)
-    tag_subscription = TagSubscription.find(id)
-    CurrentUser.scoped(tag_subscription.creator, "127.0.0.1") do
-      tag_subscription.process
-      tag_subscription.save
-    end
-  rescue Exception => x
-    raise if Rails.env != "production"
-  end
-
-  def self.process_all
-    find_each do |tag_subscription|
-      if tag_subscription.is_active?
-        time = rand(20 * 60 * 60).seconds.from_now
-        TagSubscription.delay(:run_at => time, :queue => "default", :priority => 10).process(tag_subscription.id)
-      end
-    end
-  end
 end
diff --git a/app/views/tag_subscriptions/_form.html.erb b/app/views/tag_subscriptions/_form.html.erb
deleted file mode 100644
index 4602ea30b..000000000
--- a/app/views/tag_subscriptions/_form.html.erb
+++ /dev/null
@@ -1,11 +0,0 @@
-<%= simple_form_for(@tag_subscription) do |f| %>
-  <%= f.input :name %>
-  <%= f.input :tag_query, :hint => "Put separate tag combinations on separate lines.", :input_html => {:size => "40x5"} %>
-  <div class="input">
-    <label for="tag_subscription_is_public">
-      <%= check_box "tag_subscription", "is_public" %>
-      Is Public
-    </label>
-  </div>
-  <%= f.button :submit, "Submit", :data => { :disable_with => "Submitting..." } %>
-<% end %>
diff --git a/app/views/tag_subscriptions/_secondary_links.html.erb b/app/views/tag_subscriptions/_secondary_links.html.erb
index 7ffcc40da..4a42f0f56 100644
--- a/app/views/tag_subscriptions/_secondary_links.html.erb
+++ b/app/views/tag_subscriptions/_secondary_links.html.erb
@@ -6,7 +6,6 @@
     <% if @tag_subscription && !@tag_subscription.new_record? && @tag_subscription.editable_by?(CurrentUser.user) %>
       <li>|</li>
       <li><%= link_to "Show", tag_subscription_path(@tag_subscription) %></li>
-      <li><%= link_to "Edit", edit_tag_subscription_path(@tag_subscription) %></li>
       <li><%= link_to "Delete", tag_subscription_path(@tag_subscription, :method => :delete, :data => {:confirm => "Are you sure you want to delete this tag subscription?"}) %></li>
     <% end %>
   </menu>
diff --git a/app/views/tag_subscriptions/edit.html.erb b/app/views/tag_subscriptions/edit.html.erb
deleted file mode 100644
index a5c3d39c3..000000000
--- a/app/views/tag_subscriptions/edit.html.erb
+++ /dev/null
@@ -1,13 +0,0 @@
-<div id="c-tag-subscriptions">
-  <div id="a-edit">
-    <h1>Edit Tag Subscription</h1>
-
-    <%= error_messages_for "tag_subscription" %>
-
-    <%= render "form" %>
-  </div>
-</div>
-
-<% content_for(:page_title) do %>
-  Edit Tag Subscription - <%= Danbooru.config.app_name %>
-<% end %>
diff --git a/app/views/tag_subscriptions/index.html.erb b/app/views/tag_subscriptions/index.html.erb
index 321bbbc46..d1f05b37f 100644
--- a/app/views/tag_subscriptions/index.html.erb
+++ b/app/views/tag_subscriptions/index.html.erb
@@ -9,7 +9,6 @@
         <tr>
           <th>Name</th>
           <th>Tag Query</th>
-          <th>Count</th>
           <th></th>
         </tr>
       </thead>
@@ -18,7 +17,6 @@
           <tr>
             <td><%= tag_subscription.pretty_name %></td>
             <td><%= tag_subscription.pretty_tag_query %></td>
-            <td><%= tag_subscription.post_id_array.size %></td>
             <td>
               <%= link_to "delete", tag_subscription_path(tag_subscription), :method => :delete, :data => {:confirm => "Are you sure you want to delete this subscription?"} %>
               | <%= link_to "migrate", migrate_tag_subscription_path(tag_subscription), :method => :post %>
diff --git a/app/views/tag_subscriptions/new.html.erb b/app/views/tag_subscriptions/new.html.erb
deleted file mode 100644
index 244837f64..000000000
--- a/app/views/tag_subscriptions/new.html.erb
+++ /dev/null
@@ -1,15 +0,0 @@
-<div id="c-tag-subscriptions">
-  <div id="a-new">
-    <h1>New Tag Subscription</h1>
-
-    <p class="info">This feature is disabled.</p>
-
-    <%#= error_messages_for "tag_subscription" %>
-
-    <%#= render "form" %>
-  </div>
-</div>
-
-<% content_for(:page_title) do %>
-  New Tag Subscription - <%= Danbooru.config.app_name %>
-<% end %>
diff --git a/config/routes.rb b/config/routes.rb
index 2bb27b559..3a1e57cde 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -269,10 +269,9 @@ Rails.application.routes.draw do
     end
   end
   resource :tag_implication_request, :only => [:new, :create]
-  resources :tag_subscriptions do
+  resources :tag_subscriptions, :only => [:index, :destroy, :migrate]  do
     member do
       post :migrate
-      get :posts
     end
   end
   resources :uploads do
diff --git a/test/functional/tag_subscriptions_controller_test.rb b/test/functional/tag_subscriptions_controller_test.rb
index 2a449cbb7..7935de110 100644
--- a/test/functional/tag_subscriptions_controller_test.rb
+++ b/test/functional/tag_subscriptions_controller_test.rb
@@ -24,43 +24,6 @@ class TagSubscriptionsControllerTest < ActionController::TestCase
       end
     end
 
-    context "posts action" do
-      setup do
-        @tag_subscription = FactoryGirl.create(:tag_subscription, :name => "aaa")
-      end
-
-      should "list all visible tag subscriptions" do
-        get :posts, {:id => @tag_subscription.creator_id}
-        assert_response :success
-      end
-    end
-
-    context "edit action" do
-      setup do
-        @tag_subscription = FactoryGirl.create(:tag_subscription)
-      end
-
-      should "render" do
-        get :edit, {:id => @tag_subscription.id}, {:user_id => @user.id}
-        assert_response :success
-      end
-    end
-
-    context "new action" do
-      should "render" do
-        get :new, {}, {:user_id => @user.id}
-        assert_response :success
-      end
-    end
-
-    context "create action" do
-      should "not create a new tag subscription" do
-        assert_no_difference("TagSubscription.count") do
-          post :create, {:tag_subscription => {:name => "aaa", :tag_query => "bbb"}}, {:user_id => @user.id}
-        end
-      end
-    end
-
     context "destroy action" do
       setup do
         @tag_subscription = FactoryGirl.create(:tag_subscription)
diff --git a/test/unit/post_test.rb b/test/unit/post_test.rb
index 89e847373..04127d3e4 100644
--- a/test/unit/post_test.rb
+++ b/test/unit/post_test.rb
@@ -2019,14 +2019,6 @@ class PostTest < ActiveSupport::TestCase
     #   assert_equal(1, Post.tag_match("pixiv_novel_id:2156088").count)
     # end
 
-    should "return posts for a tag subscription search" do
-      post1 = FactoryGirl.create(:post, :tag_string => "aaa")
-      sub = FactoryGirl.create(:tag_subscription, :tag_query => "aaa", :name => "zzz")
-      TagSubscription.process_all
-      relation = Post.tag_match("sub:#{CurrentUser.name}")
-      assert_equal(1, relation.count)
-    end
-
     should "return posts for a search:<category> metatag" do
       post1 = FactoryGirl.create(:post, tag_string: "aaa")
       post2 = FactoryGirl.create(:post, tag_string: "bbb")
diff --git a/test/unit/tag_subscription_test.rb b/test/unit/tag_subscription_test.rb
index ba6215d1b..d5ba531f2 100644
--- a/test/unit/tag_subscription_test.rb
+++ b/test/unit/tag_subscription_test.rb
@@ -13,66 +13,6 @@ class TagSubscriptionTest < ActiveSupport::TestCase
   end
 
   context "A tag subscription" do
-    context "for a user with too many subscriptions" do
-      setup do
-        Danbooru.config.stubs(:max_tag_subscriptions).returns(0)
-        @user = FactoryGirl.create(:user)
-      end
-
-      should "fail" do
-        sub = FactoryGirl.build(:tag_subscription, :tag_query => "aaa\nbbb", :creator => @user, :name => "zzz")
-        sub.save
-        assert_equal(["You can create up to 0 tag subscriptions"], sub.errors.full_messages)
-      end
-    end
-
-    should "find the union of all posts for each tag in its tag query" do
-      posts = []
-      user = FactoryGirl.create(:user)
-      posts << FactoryGirl.create(:post, :tag_string => "aaa")
-      posts << FactoryGirl.create(:post, :tag_string => "bbb")
-      posts << FactoryGirl.create(:post, :tag_string => "ccc")
-      posts << FactoryGirl.create(:post, :tag_string => "ddd")
-      CurrentUser.scoped(user, "127.0.0.1") do
-        sub_1 = FactoryGirl.create(:tag_subscription, :tag_query => "aaa\nbbb", :name => "zzz")
-        sub_2 = FactoryGirl.create(:tag_subscription, :tag_query => "ccc", :name => "yyy")
-        assert_equal([posts[1].id, posts[0].id], TagSubscription.find_posts(user.id, "zzz").map(&:id))
-        assert_equal([posts[2].id, posts[1].id, posts[0].id], TagSubscription.find_posts(user.id).map(&:id))
-      end
-    end
-
-    should "cache its tag query results" do
-      posts = []
-      user = FactoryGirl.create(:user)
-      posts << FactoryGirl.create(:post, :tag_string => "aaa")
-      posts << FactoryGirl.create(:post, :tag_string => "bbb")
-      posts << FactoryGirl.create(:post, :tag_string => "ccc")
-      CurrentUser.scoped(user, "127.0.0.1") do
-        sub = FactoryGirl.create(:tag_subscription, :tag_query => "aaa\nbbb", :name => "zzz")
-        assert_equal("#{posts[1].id},#{posts[0].id}", sub.post_ids)
-      end
-    end
-
-    should "find posts based on its cached post ids" do
-      user = FactoryGirl.create(:user)
-      CurrentUser.scoped(user, "127.0.0.1") do
-        subs = []
-        subs << FactoryGirl.create(:tag_subscription, :tag_query => "aaa", :name => "zzz")
-        subs << FactoryGirl.create(:tag_subscription, :tag_query => "bbb", :name => "yyy")
-        assert_equal([], TagSubscription.find_posts(user.id))
-        assert_equal([], TagSubscription.find_posts(user.id, "zzz"))
-        assert_equal([], TagSubscription.find_posts(user.id, "yyy"))
-        posts = []
-        posts << FactoryGirl.create(:post, :tag_string => "aaa")
-        posts << FactoryGirl.create(:post, :tag_string => "bbb")
-        posts << FactoryGirl.create(:post, :tag_string => "ccc")
-        subs.each {|x| x.process; x.save}
-        assert_equal([posts[1].id, posts[0].id], TagSubscription.find_posts(user.id).map(&:id))
-        assert_equal([posts[0].id], TagSubscription.find_posts(user.id, "zzz").map(&:id))
-        assert_equal([posts[1].id], TagSubscription.find_posts(user.id, "yyy").map(&:id))
-      end
-    end
-
     should "migrate to saved searches" do
       sub = FactoryGirl.create(:tag_subscription, tag_query: "foo bar\r\nbar\nbaz", :name => "Artist 1")
       sub.migrate_to_saved_searches
@@ -83,27 +23,4 @@ class TagSubscriptionTest < ActiveSupport::TestCase
       assert_equal([%w[artist_1]]*3, CurrentUser.user.saved_searches.pluck(:labels))
     end
   end
-
-  context "A tag subscription manager" do
-    should "process all active tag subscriptions" do
-      users = []
-      users << FactoryGirl.create(:user)
-      users << FactoryGirl.create(:user)
-      posts = []
-      posts << FactoryGirl.create(:post, :tag_string => "aaa")
-      posts << FactoryGirl.create(:post, :tag_string => "bbb")
-      posts << FactoryGirl.create(:post, :tag_string => "ccc")
-      subscriptions = []
-      CurrentUser.scoped(users[0], "127.0.0.1") do
-        subscriptions << FactoryGirl.create(:tag_subscription, :tag_query => "aaa")
-      end
-      CurrentUser.scoped(users[1], "127.0.0.1") do
-        subscriptions << FactoryGirl.create(:tag_subscription, :tag_query => "bbb")
-      end
-      TagSubscription.process_all
-      subscriptions.each {|x| x.reload}
-      assert_equal("#{posts[0].id}", subscriptions[0].post_ids)
-      assert_equal("#{posts[1].id}", subscriptions[1].post_ids)
-    end
-  end
 end