diff --git a/app/controllers/reports_controller.rb b/app/controllers/reports_controller.rb
index f856a26e9..e1695c805 100644
--- a/app/controllers/reports_controller.rb
+++ b/app/controllers/reports_controller.rb
@@ -1,19 +1,12 @@
 class ReportsController < ApplicationController
   before_action :member_only, :except => [:upload_tags]
-  before_action :moderator_only, :only => [:post_versions, :post_versions_create, :down_voting_post_report, :down_voting_post_report_create]
+  before_action :moderator_only, :only => [:down_voting_post_report, :down_voting_post_report_create]
   respond_to :html, :xml, :json, only: [:upload_tags]
 
   def uploads
     @report = Reports::Uploads.new(params[:min_date], params[:max_date], params[:queries])
   end
 
-  def post_versions
-  end
-
-  def post_versions_create
-    @report = Reports::PostVersions.new(params[:tag], params[:type])
-  end
-
   def upload_tags
     @user = User.find(params[:user_id])
     @upload_reports = Reports::UploadTags.includes(versions: { post: :versions }).for_user(params[:user_id]).order("id desc").paginate(params[:page], :limit => params[:limit])
diff --git a/app/logical/reports/post_versions.rb b/app/logical/reports/post_versions.rb
deleted file mode 100644
index 5e58c66a0..000000000
--- a/app/logical/reports/post_versions.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-module Reports
-  class PostVersions
-    attr_reader :tag, :query
-
-    def initialize(tag, query_type)
-      @tag = tag
-
-      if query_type == "added"
-        @query = GoogleBigQuery::PostVersion.new.find_added(tag)
-      else
-        @query = GoogleBigQuery::PostVersion.new.find_removed(tag)
-      end
-    end
-
-    def mock_version(row)
-      PostArchive.new.tap do |x|
-        x.id = row["f"][0]["v"]
-        x.post_id = row["f"][1]["v"]
-        x.updated_at = Time.at(row["f"][2]["v"].to_f)
-        x.updater_id = row["f"][3]["v"]
-        x.updater_ip_addr = row["f"][4]["v"]
-        x.tags = row["f"][5]["v"]
-        # x.added_tags = row["f"][6]["v"]
-        # x.removed_tags = row["f"][7]["v"]
-        x.parent_id = row["f"][8]["v"]
-        x.rating = row["f"][9]["v"]
-        x.source = row["f"][10]["v"]
-      end
-    end
-
-    def post_versions
-      if query["rows"].present?
-        query["rows"].map {|x| mock_version(x)}
-      else
-        []
-      end
-    end
-  end
-end
diff --git a/app/views/reports/post_versions.html.erb b/app/views/reports/post_versions.html.erb
deleted file mode 100644
index 6efb00cd8..000000000
--- a/app/views/reports/post_versions.html.erb
+++ /dev/null
@@ -1,21 +0,0 @@
-<div id="c-reports">
-  <div id="a-post-versions">
-    <h1>Post Changes Report</h1>
-
-    <p>You can search all post changes to find when and where a tag was added or removed. Only the 1,000 most recent changes will be returned.</p>
-
-    <%= form_tag(reports_post_versions_create_path, :method => :post, :class => "simple_form") do %>
-      <div class="input">
-        <label for="tag">Tag</label>
-        <%= text_field_tag "tag" %>
-        <%= select_tag "type", options_for_select(%w(added removed)) %>
-      </div>
-      <%= submit_tag "Submit" %>
-    <% end %>
-
-  </div>
-</div>
-
-<% content_for(:page_title) do %>
-  Post Changes Report - <%= Danbooru.config.app_name %>
-<% end %>
diff --git a/app/views/reports/post_versions_create.html.erb b/app/views/reports/post_versions_create.html.erb
deleted file mode 100644
index 23e4cfe5c..000000000
--- a/app/views/reports/post_versions_create.html.erb
+++ /dev/null
@@ -1,14 +0,0 @@
-<div id="c-reports">
-  <div id="a-post-versions-create">
-    <h1>Post Changes Report</h1>
-
-    <p>Only the 1,000 most recent changes are displayed.</p>
-
-    <%= render "post_versions/listing", :post_versions => @report.post_versions %>
-    
-  </div>
-</div>
-
-<% content_for(:page_title) do %>
-  Post Changes Report - <%= Danbooru.config.app_name %>
-<% end %>
diff --git a/test/functional/reports_controller_test.rb b/test/functional/reports_controller_test.rb
index 0cadd3c05..58f4df9c2 100644
--- a/test/functional/reports_controller_test.rb
+++ b/test/functional/reports_controller_test.rb
@@ -17,13 +17,6 @@ class ReportsControllerTest < ActionDispatch::IntegrationTest
       end
     end
 
-    context "post_versions action" do
-      should "render" do
-        get_auth reports_post_versions_path, @mod
-        assert_response :success
-      end
-    end
-
     context "upload_tags action" do
       should "render" do
         get reports_upload_tags_path(user_id: @users.first)