diff --git a/app/controllers/moderator/ip_addrs_controller.rb b/app/controllers/moderator/ip_addrs_controller.rb
deleted file mode 100644
index 83f92453b..000000000
--- a/app/controllers/moderator/ip_addrs_controller.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-# frozen_string_literal: true
-
-module Moderator
-  class IpAddrsController < ApplicationController
-    respond_to :html, :json
-
-    def index
-      authorize IpAddress
-      @search = IpAddrSearch.new(params[:search])
-      @results = @search.execute
-      respond_with(@results)
-    end
-
-    def search
-    end
-  end
-end
diff --git a/app/logical/moderator/ip_addr_search.rb b/app/logical/moderator/ip_addr_search.rb
deleted file mode 100644
index 26f3032c6..000000000
--- a/app/logical/moderator/ip_addr_search.rb
+++ /dev/null
@@ -1,78 +0,0 @@
-# frozen_string_literal: true
-
-module Moderator
-  class IpAddrSearch
-    attr_reader :params
-
-    def initialize(params)
-      @params = params
-    end
-
-    def execute
-      if params[:user_id].present?
-        search_by_user_id(params[:user_id].split)
-      elsif params[:user_name].present?
-        search_by_user_name(params[:user_name].split)
-      elsif params[:ip_addr].present?
-        search_by_ip_addr(params[:ip_addr].split)
-      else
-        []
-      end
-    end
-
-    private
-
-    def search_by_ip_addr(ip_addrs)
-      sums = Hash.new {|h, k| h[k] = 0}
-
-      add_row(sums, ArtistCommentaryVersion.where(updater_ip_addr: ip_addrs).group(:updater).count)
-      add_row(sums, ArtistVersion.where(updater_ip_addr: ip_addrs).group(:updater).count)
-      add_row(sums, NoteVersion.where(updater_ip_addr: ip_addrs).group(:updater).count)
-      add_row(sums, WikiPageVersion.where(updater_ip_addr: ip_addrs).group(:updater).count)
-      add_row(sums, Comment.where(creator_ip_addr: ip_addrs).group(:creator).count)
-      add_row(sums, Dmail.where(creator_ip_addr: ip_addrs).group(:from).count)
-      add_row(sums, Upload.where(uploader_ip_addr: ip_addrs).group(:uploader).count)
-      add_row(sums, Hash[User.where(last_ip_addr: ip_addrs).collect { |user| [user, 1] }])
-
-      add_row_id(sums, PoolVersion.where(updater_ip_addr: ip_addrs).group(:updater_id).count) if PoolVersion.enabled?
-      add_row_id(sums, PostVersion.where(updater_ip_addr: ip_addrs).group(:updater_id).count) if PostVersion.enabled?
-
-      sums
-    end
-
-    def search_by_user_name(user_names)
-      user_ids = user_names.map { |name| User.name_to_id(name) }
-      search_by_user_id(user_ids)
-    end
-
-    def search_by_user_id(user_ids)
-      sums = Hash.new {|h, k| h[k] = 0}
-      users = User.find(user_ids)
-
-      add_row(sums, ArtistCommentaryVersion.where(updater: users).group(:updater_ip_addr).count)
-      add_row(sums, ArtistVersion.where(updater: users).group(:updater_ip_addr).count)
-      add_row(sums, NoteVersion.where(updater: users).group(:updater_ip_addr).count)
-      add_row(sums, PoolVersion.where(updater_id: users.map(&:id)).group(:updater_ip_addr).count) if PoolVersion.enabled?
-      add_row(sums, PostVersion.where(updater_id: users.map(&:id)).group(:updater_ip_addr).count) if PostVersion.enabled?
-      add_row(sums, WikiPageVersion.where(updater: users).group(:updater_ip_addr).count)
-      add_row(sums, Comment.where(creator: users).group(:creator_ip_addr).count)
-      add_row(sums, Dmail.where(from: users).group(:creator_ip_addr).count)
-      add_row(sums, Upload.where(uploader: users).group(:uploader_ip_addr).count)
-      add_row(sums, User.where(id: users).where.not(last_ip_addr: nil).group(:last_ip_addr).count)
-
-      sums
-    end
-
-    def add_row(sums, counts)
-      sums.merge!(counts) { |_key, oldcount, newcount| oldcount + newcount }
-    end
-
-    def add_row_id(sums, counts)
-      user_counts = {}
-      counts.each do |k, v|
-        user_counts[User.find(k)] = v
-      end
-      add_row(sums, user_counts)
-    end
-  end
-end
diff --git a/app/views/moderator/dashboards/_search.html.erb b/app/views/moderator/dashboards/_search.html.erb
index 5afb07120..481720808 100644
--- a/app/views/moderator/dashboards/_search.html.erb
+++ b/app/views/moderator/dashboards/_search.html.erb
@@ -1,7 +1,3 @@
-<div id="ip-addr-search">
-  <%= render "search_ip_addr" %>
-</div>
-
 <div id="activity-search">
   <%= render "search_activity" %>
 </div>
diff --git a/app/views/moderator/dashboards/_search_ip_addr.html.erb b/app/views/moderator/dashboards/_search_ip_addr.html.erb
deleted file mode 100644
index f11163713..000000000
--- a/app/views/moderator/dashboards/_search_ip_addr.html.erb
+++ /dev/null
@@ -1,5 +0,0 @@
-<%= search_form_for(moderator_ip_addrs_path) do |f| %>
-  <%= f.input :ip_addr, label: "IPs ", hint: "Separate with spaces", input_html: { value: params.dig(:search, :ip_addr) } %>
-  <%= f.input :user_name, label: "Users", hint: "Separate with spaces", input_html: { value: params.dig(:search, :user_name), "data-autocomplete": "user" } %>
-  <%= f.submit "Search" %>
-<% end %>
diff --git a/app/views/moderator/ip_addrs/_ip_listing.html.erb b/app/views/moderator/ip_addrs/_ip_listing.html.erb
deleted file mode 100644
index 4c9f00714..000000000
--- a/app/views/moderator/ip_addrs/_ip_listing.html.erb
+++ /dev/null
@@ -1,18 +0,0 @@
-<p><%= link_to "Search for users with these IP addresses", moderator_ip_addrs_path(:search => {:ip_addr => @results.keys.reject{|ip| ip == "127.0.0.1"}.join(",")}) %></p>
-
-<table class="striped">
-  <thead>
-    <tr>
-      <th>IP Address</th>
-      <th>Number of Occurrences</th>
-    </tr>
-  </thead>
-  <tbody>
-    <% @results.each do |ip_address, count| %>
-      <tr>
-        <td><%= link_to_ip ip_address %></td>
-        <td><%= count %></td>
-      </tr>
-    <% end %>
-  </tbody>
-</table>
diff --git a/app/views/moderator/ip_addrs/_ip_listing.json.erb b/app/views/moderator/ip_addrs/_ip_listing.json.erb
deleted file mode 100644
index 45801c1ba..000000000
--- a/app/views/moderator/ip_addrs/_ip_listing.json.erb
+++ /dev/null
@@ -1 +0,0 @@
-<%= raw @results.map {|ip_addr, count| {ip_addr: ip_addr.to_s, count: count}}.to_json %>
diff --git a/app/views/moderator/ip_addrs/_user_listing.erb b/app/views/moderator/ip_addrs/_user_listing.erb
deleted file mode 100644
index be9a7c988..000000000
--- a/app/views/moderator/ip_addrs/_user_listing.erb
+++ /dev/null
@@ -1,20 +0,0 @@
-<p><%= link_to "Search for IP addresses with these users", moderator_ip_addrs_path(:search => {:user_id => @results.map{|user, count| user.id}.join(",")}) %></p>
-
-<table class="striped">
-  <thead>
-    <tr>
-      <th>User</th>
-      <th>Number of Occurrences</th>
-      <th></th>
-    </tr>
-  </thead>
-  <tbody>
-    <% @results.each do |user, count| %>
-      <tr>
-        <td><%= link_to_user user %></td>
-        <td><%= count %></td>
-        <td><%= link_to "Show IP addresses", moderator_ip_addrs_path(:search => {:user_id => user.id}) %></td>
-      </tr>
-    <% end %>
-  </tbody>
-</table>
diff --git a/app/views/moderator/ip_addrs/_user_listing.json.erb b/app/views/moderator/ip_addrs/_user_listing.json.erb
deleted file mode 100644
index a8df6882f..000000000
--- a/app/views/moderator/ip_addrs/_user_listing.json.erb
+++ /dev/null
@@ -1 +0,0 @@
-<%= raw @results.map {|user, count| {user_id: user.id, count: count}}.to_json %>
diff --git a/app/views/moderator/ip_addrs/index.html.erb b/app/views/moderator/ip_addrs/index.html.erb
deleted file mode 100644
index 9543dfc6a..000000000
--- a/app/views/moderator/ip_addrs/index.html.erb
+++ /dev/null
@@ -1,17 +0,0 @@
-<% page_title "IP Addresses" %>
-
-<div id="c-moderator-ip-addrs">
-  <div id="a-index">
-    <h1>IP Addresses</h1>
-
-    <% if params[:search][:user_id].present? || params[:search][:user_name].present? %>
-      <div id="p-ip-listing">
-        <%= render "ip_listing" %>
-      </div>
-    <% else %>
-      <div id="p-user-listing">
-        <%= render "user_listing" %>
-      </div>
-    <% end %>
-  </div>
-</div>
diff --git a/app/views/moderator/ip_addrs/index.json.erb b/app/views/moderator/ip_addrs/index.json.erb
deleted file mode 100644
index 75017df8c..000000000
--- a/app/views/moderator/ip_addrs/index.json.erb
+++ /dev/null
@@ -1,5 +0,0 @@
-<% if params[:search][:user_id].present? || params[:search][:user_name].present? %>
-  <%= render "ip_listing.json" %>
-<% else %>
-  <%= render "user_listing.json" %>
-<% end %>
diff --git a/app/views/moderator/ip_addrs/search.html.erb b/app/views/moderator/ip_addrs/search.html.erb
deleted file mode 100644
index 58b567222..000000000
--- a/app/views/moderator/ip_addrs/search.html.erb
+++ /dev/null
@@ -1,13 +0,0 @@
-<% page_title "Search IP Addresses" %>
-
-<div id="c-moderator-ip-addrs">
-  <div id="a-search">
-    <h1>Search IP Addresses</h1>
-
-    <%= search_form_for(moderator_ip_addrs_path) do |f| %>
-      <%= f.input :ip_addr, label: "IPs ", hint: "Separate with spaces", input_html: { value: params.dig(:search, :ip_addr) } %>
-      <%= f.input :user_name, label: "Users", hint: "Separate with spaces", input_html: { value: params.dig(:search, :user_name), "data-autocomplete": "user" } %>
-      <%= f.submit "Search" %>
-    <% end %>
-  </div>
-</div>
diff --git a/config/routes.rb b/config/routes.rb
index 8ddb8fa69..668bdf226 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -23,11 +23,6 @@ Rails.application.routes.draw do
   end
   namespace :moderator do
     resource :dashboard, :only => [:show]
-    resources :ip_addrs, :only => [:index] do
-      collection do
-        get :search
-      end
-    end
     namespace :post do
       resources :posts, :only => [:delete, :expunge, :confirm_delete] do
         member do
diff --git a/test/functional/moderator/ip_addrs_controller_test.rb b/test/functional/moderator/ip_addrs_controller_test.rb
deleted file mode 100644
index 135a8cf05..000000000
--- a/test/functional/moderator/ip_addrs_controller_test.rb
+++ /dev/null
@@ -1,32 +0,0 @@
-require 'test_helper'
-
-module Moderator
-  class IpAddrsControllerTest < ActionDispatch::IntegrationTest
-    context "The ip addrs controller" do
-      setup do
-        @user = create(:moderator_user, created_at: 1.month.ago)
-        as(@user) { create(:comment, creator: @user) }
-      end
-
-      should "find by ip addr" do
-        get_auth moderator_ip_addrs_path, @user, params: {:search => {:ip_addr => "127.0.0.1"}}
-        assert_response :success
-      end
-
-      should "find by user id" do
-        get_auth moderator_ip_addrs_path, @user, params: {:search => {:user_id => @user.id.to_s}}
-        assert_response :success
-      end
-
-      should "find by user name" do
-        get_auth moderator_ip_addrs_path, @user, params: {:search => {:user_name => @user.name}}
-        assert_response :success
-      end
-
-      should "render the search page" do
-        get_auth search_moderator_ip_addrs_path, @user
-        assert_response :success
-      end
-    end
-  end
-end
diff --git a/test/unit/moderator/ip_addr_search_test.rb b/test/unit/moderator/ip_addr_search_test.rb
deleted file mode 100644
index d74b1c0c5..000000000
--- a/test/unit/moderator/ip_addr_search_test.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-require "test_helper"
-
-module Moderator
-  class IpAddrSearchTest < ActiveSupport::TestCase
-    context "an ip addr search" do
-      setup do
-        @user = create(:user, last_ip_addr: "127.0.0.1")
-      end
-
-      should "find by ip addr" do
-        @search = IpAddrSearch.new(:ip_addr => "127.0.0.1")
-        assert_equal({@user => 1}, @search.execute)
-      end
-
-      should "find by user id" do
-        @search = IpAddrSearch.new(:user_id => @user.id.to_s)
-        assert_equal({IPAddr.new("127.0.0.1") => 1}, @search.execute)
-      end
-
-      should "find by user name" do
-        @search = IpAddrSearch.new(:user_name => @user.name)
-        assert_equal({IPAddr.new("127.0.0.1") => 1}, @search.execute)
-      end
-    end
-  end
-end