diff --git a/app/assets/javascripts/admin_legacy/modules/document_finder.js b/app/assets/javascripts/admin_legacy/modules/document_finder.js
deleted file mode 100644
index 715cede8fba..00000000000
--- a/app/assets/javascripts/admin_legacy/modules/document_finder.js
+++ /dev/null
@@ -1,109 +0,0 @@
-(function () {
-  'use strict'
-  var root = this
-  var $ = root.jQuery
-
-  if (typeof root.GOVUK === 'undefined') { root.GOVUK = {} }
-
-  var documentFinder = {
-    // This object is re-usable. All it relies upon to work is an input
-    // with an id of 'title' (though you could easily configure that),
-    // a button with an id of '#find-documents', and a hidden field to
-    // store the selected document's id (with a name attribute of
-    // 'document_id') or edition's id (with a name attribute of 'edition_id').
-
-    init: function (params) {
-      this.noResultsMessage = params.no_results_message || 'No results matching search criteria'
-      delete params.no_results_message
-      this.additionalFilterParams = params
-      this.latestResults = null
-      this.searchTermContent = ''
-      this.$searchTerm = $('input#title')
-      this.$searchTerm.autocomplete({
-        disabled: true,
-        minLength: 0,
-        select: function (event, ui) {
-          documentFinder.selectDocFromMenu(event, ui)
-        }
-      })
-      this.$documentIdInput = this.$searchTerm.parents('form').find('input[name="document_id"]')
-      this.$editionIdInput = this.$searchTerm.parents('form').find('input[name="edition_id"]')
-      this.$loaderIndicator = this.$searchTerm.siblings('img.js-loader')
-      this.setupEventHandlers()
-    },
-
-    enterKeyPressed: function (event) {
-      return event.which === 13
-    },
-
-    setupEventHandlers: function () {
-      var $findButton = $('#find-documents')
-      $findButton.click(function (event) { documentFinder.searchForDocument() })
-      this.$searchTerm.keypress(function (event) {
-        if (documentFinder.enterKeyPressed(event)) {
-          event.preventDefault()
-          $findButton.click()
-        }
-      })
-      this.$searchTerm.keydown(function (event) {
-        documentFinder.searchTermContent = $(this).val()
-      })
-      this.$searchTerm.keyup(function (event) {
-        if (documentFinder.searchTermChanged()) {
-          documentFinder.$searchTerm.autocomplete('disable')
-          documentFinder.$documentIdInput.val('')
-          documentFinder.$editionIdInput.val('')
-        }
-      })
-    },
-
-    searchTermChanged: function () {
-      return this.$searchTerm.val() !== documentFinder.searchTermContent
-    },
-
-    searchForDocument: function () {
-      var url = '/government/admin/document_searches.json'
-      this.$loaderIndicator.show()
-      $.ajax(url, {
-        data: $.extend({ title: this.$searchTerm.val() }, this.additionalFilterParams),
-        success: function (data, textStatus, xhr) {
-          documentFinder.showSearchResults(data.results)
-        },
-        error: this.showErrorMessage,
-        complete: function () {
-          documentFinder.$loaderIndicator.hide()
-        }
-      })
-    },
-
-    showSearchResults: function (results) {
-      this.latestResults = results
-      var noResultsMessage = this.noResultsMessage
-
-      var formatResults = function (data) {
-        var results = []
-        $.each(data, function (i, result) { results.push(result.title) })
-        if (results.length) { return results } else { return [noResultsMessage] }
-      }
-
-      this.$searchTerm.autocomplete('option', 'source', formatResults(results))
-      this.$searchTerm.autocomplete('enable')
-      this.$searchTerm.autocomplete('search', '')
-    },
-
-    selectDocFromMenu: function (event, ui) {
-      $.each(this.latestResults, function (i, result) {
-        if (result.title === ui.item.label) {
-          documentFinder.$documentIdInput.val(result.document_id).trigger('change')
-          documentFinder.$editionIdInput.val(result.id).trigger('change')
-        }
-      })
-    },
-
-    showErrorMessage: function (jqXHR, textStatus, errorThrown) {
-      alert("Sorry, we couldn't find any documents. " +
-            'The server said: ' + errorThrown)
-    }
-  }
-  root.GOVUK.documentFinder = documentFinder
-}).call(this)
diff --git a/app/assets/javascripts/admin_legacy/views/statistics_announcements/statistics_announcement_linker.js b/app/assets/javascripts/admin_legacy/views/statistics_announcements/statistics_announcement_linker.js
deleted file mode 100644
index f1ec3506a88..00000000000
--- a/app/assets/javascripts/admin_legacy/views/statistics_announcements/statistics_announcement_linker.js
+++ /dev/null
@@ -1,47 +0,0 @@
-(function () {
-  'use strict'
-  window.GOVUK = window.GOVUK || {}
-
-  window.GOVUK.statisticsAnnouncementLinker = {
-    init: function init () {
-      var $linker = $('.js-document-announcement-linker')
-      var $documentFinder = $('#document-finder')
-      var $documentFinderResult = $documentFinder.find('#edition_id')
-      var $annoucementForm = $('form.edit_statistics_announcement')
-      var $publicationInput = $annoucementForm.find('input#statistics_announcement_publication_id')
-
-      // Link to reveal document finder
-      var $revealLink = $('<a href=# class="js-announcement-linker-link"></a>')
-      $revealLink.on('click', function () {
-        $linker.hide()
-        $documentFinder.show()
-        $documentFinder.find('input#title').focus()
-      })
-
-      // insert the revealLink at the appropriate point with the appropriate
-      // text depending on whether it's linking or changing an existing link
-      if ($publicationInput.val() === '') {
-        $revealLink.text('connect an existing draft')
-        $linker.append(' or ').append($revealLink)
-      } else {
-        $revealLink.text('Change linked document')
-        $linker.append('<br />').append($revealLink)
-      }
-
-      // add link to cancel document linking
-      var $resetLink = $('<a href=# class="js-cancel-announcement-linker-link">cancel</a>')
-      $documentFinder.append(' or ').append($resetLink)
-      $resetLink.on('click', function () {
-        // hide the documentFinder
-        $documentFinder.hide()
-        $linker.show()
-      })
-
-      // listener to assign publication when a result is clicked on in the documentFinder
-      $documentFinderResult.change(function () {
-        $publicationInput.val($(this).val())
-        $annoucementForm.submit()
-      })
-    }
-  }
-}())
diff --git a/app/controllers/admin/document_searches_controller.rb b/app/controllers/admin/document_searches_controller.rb
deleted file mode 100644
index 832f32c7d64..00000000000
--- a/app/controllers/admin/document_searches_controller.rb
+++ /dev/null
@@ -1,56 +0,0 @@
-class Admin::DocumentSearchesController < Admin::BaseController
-  def show
-    @editions = Filterer.new(params).editions.pluck(:id, :document_id, :title)
-  end
-
-  class Filterer
-    attr_reader :params
-
-    def initialize(params)
-      @params = params
-    end
-
-    def editions
-      filters_for(params).inject(edition_scope) do |editions, filter|
-        filter.call(editions)
-      end
-    end
-
-    def edition_scope
-      Edition
-        .with_translations(I18n.locale)
-        .limit(10)
-    end
-
-  private
-
-    def filters_for(params)
-      filters = []
-
-      if params[:title]
-        filters << ->(editions) { editions.with_title_containing(params[:title]) }
-      end
-
-      type = find_type(params[:type])
-      if type
-        filters << ->(editions) { editions.by_type(type) }
-
-        if params[:subtypes]
-          filters << ->(editions) { editions.by_subtypes(type, params[:subtypes]) }
-        end
-      end
-
-      filters << ->(editions) { editions.in_state(params[:state] || "active") }
-
-      filters
-    end
-
-    def find_type(type_name)
-      if type_name
-        Whitehall.edition_classes.find do |klass|
-          klass.to_s == type_name.classify
-        end
-      end
-    end
-  end
-end
diff --git a/app/helpers/admin/document_searches_helper.rb b/app/helpers/admin/document_searches_helper.rb
deleted file mode 100644
index 4072d3b3fca..00000000000
--- a/app/helpers/admin/document_searches_helper.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-module Admin::DocumentSearchesHelper
-  def public_time_for_edition(edition)
-    if edition.public_timestamp.present?
-      absolute_date(edition.public_timestamp)
-    else
-      "(#{edition.state.humanize})"
-    end
-  end
-end
diff --git a/app/views/admin/document_searches/show.json.jbuilder b/app/views/admin/document_searches/show.json.jbuilder
deleted file mode 100644
index 9eb56f5bb07..00000000000
--- a/app/views/admin/document_searches/show.json.jbuilder
+++ /dev/null
@@ -1,8 +0,0 @@
-json.results_any? @editions.any?
-json.set! :results do
-  json.array! @editions do |id, document_id, title|
-    json.id id
-    json.document_id document_id
-    json.title title
-  end
-end
diff --git a/config/routes.rb b/config/routes.rb
index d77dd31cd11..ebf450af198 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -28,7 +28,6 @@ def redirect(path, options = { prefix: Whitehall.router_prefix })
       end
 
       resources :authors, only: [:show]
-      resource :document_searches, only: [:show]
 
       resources :document_collections, path: "collections", except: [:index] do
         resources :document_collection_groups, as: :groups, path: "groups" do
diff --git a/test/functional/admin/document_searches_controller_test.rb b/test/functional/admin/document_searches_controller_test.rb
deleted file mode 100644
index 05f4e53a494..00000000000
--- a/test/functional/admin/document_searches_controller_test.rb
+++ /dev/null
@@ -1,42 +0,0 @@
-require "test_helper"
-
-class Admin::DocumentSearchesControllerTest < ActionController::TestCase
-  should_be_an_admin_controller
-
-  setup do
-    login_as create(:writer)
-  end
-
-  def json_response
-    JSON.parse(response.body)
-  end
-
-  view_test "GET #show returns filter results as JSON" do
-    publication = create(:publication, title: "search term")
-    get :show, params: { title: "search term" }, format: :json
-    assert_response :success
-    assert_equal true, json_response["results_any?"]
-    assert_equal 1, json_response["results"].size
-
-    publication_json = json_response["results"].first
-    assert_equal publication.id, publication_json["id"]
-    assert_equal publication.document_id, publication_json["document_id"]
-    assert_equal publication.title, publication_json["title"]
-  end
-
-  view_test "GET #show can filter by edition type and subtype" do
-    guidance = create(:publication, title: "search term", publication_type: PublicationType::Guidance)
-    _form = create(:publication, title: "search term", publication_type: PublicationType::Form)
-
-    get :show, params: { title: "search term", type: "publication", subtypes: [PublicationType::Guidance.id] }, format: :json
-
-    assert_response :success
-    assert_equal true, json_response["results_any?"]
-    assert_equal 1, json_response["results"].size
-
-    publication_json = json_response["results"].first
-    assert_equal guidance.id, publication_json["id"]
-    assert_equal guidance.document_id, publication_json["document_id"]
-    assert_equal guidance.title, publication_json["title"]
-  end
-end