diff --git a/app/assets/stylesheets/application.scss b/app/assets/stylesheets/application.scss
index 6c2d683df..f9643040a 100644
--- a/app/assets/stylesheets/application.scss
+++ b/app/assets/stylesheets/application.scss
@@ -17,7 +17,6 @@
 @import 'helpers/add-title-margin';
 @import "helpers/content-bottom-margin";
 @import "helpers/publisher-metadata-with-logo";
-@import "helpers/taxonomy-navigation";
 
 // Components from this application
 @import 'components/*';
diff --git a/app/assets/stylesheets/helpers/_taxonomy-navigation.scss b/app/assets/stylesheets/helpers/_taxonomy-navigation.scss
deleted file mode 100644
index c91fcbd45..000000000
--- a/app/assets/stylesheets/helpers/_taxonomy-navigation.scss
+++ /dev/null
@@ -1,53 +0,0 @@
-// govuk_frontend_toolkit imports
-@import 'css3';
-
-.taxonomy-navigation {
-  border-top: 2px solid $govuk-blue;
-}
-
-.taxonomy-navigation__banner {
-  @include core-19;
-
-  padding: $gutter-half $gutter-half $gutter-one-third;
-  background: $grey-4;
-  border: 1px solid $border-colour;
-}
-
-.taxonomy-navigation__row {
-  display: flex;
-  flex-wrap: wrap;
-  padding-top: $gutter-one-third;
-
-  @include media(tablet) {
-    margin-right: -25px;
-  }
-}
-
-.taxonomy-navigation__column {
-  @include box-sizing(border-box);
-  width: 100%;
-  font-size: 16px;
-  padding: ($gutter-one-third / 2) $gutter-one-third ($gutter-half + $gutter-one-third) 0;
-
-  @include media(tablet) {
-    width: 50%;
-    padding: ($gutter-one-third / 2) ($gutter-half + $gutter-one-third) ($gutter-half + $gutter-one-third) 0;
-  }
-
-  @include media(desktop) {
-    width: (1 / 3) * 100%;
-    padding: ($gutter-one-third / 2) ($gutter-half + $gutter-one-third) ($gutter-half + $gutter-one-third) 0;
-  }
-}
-
-.taxonomy-navigation__list-item {
-  margin: $gutter-one-third 0 ($gutter-one-third / 2) 0;
-  padding-bottom: $gutter-one-third / 2;
-  list-style: none;
-}
-
-.taxonomy-navigation__section {
-  padding: $gutter-one-third 0 $gutter-two-thirds 0;
-  margin-top: $gutter-half;
-  border-top: 1px solid $black;
-}
diff --git a/app/controllers/concerns/content_pages_nav_ab_testable.rb b/app/controllers/concerns/content_pages_nav_ab_testable.rb
deleted file mode 100644
index bbc38d9a6..000000000
--- a/app/controllers/concerns/content_pages_nav_ab_testable.rb
+++ /dev/null
@@ -1,58 +0,0 @@
-module ContentPagesNavAbTestable
-  CUSTOM_DIMENSION = 65
-
-  def self.included(base)
-    base.helper_method(
-      :content_pages_nav_test_variant,
-      :show_new_navigation?,
-      :page_in_scope?,
-      :should_show_sidebar?
-    )
-    base.after_action :set_test_response_header
-  end
-
-  def content_pages_nav_test
-    @content_pages_nav_test ||= GovukAbTesting::AbTest.new(
-      "ContentPagesNav",
-      dimension: CUSTOM_DIMENSION,
-      allowed_variants: %w(A B),
-      control_variant: "A"
-    )
-  end
-
-  def content_pages_nav_test_variant
-    @content_pages_nav_test_variant ||= content_pages_nav_test.requested_variant(request.headers)
-  end
-
-  def set_test_response_header
-    content_pages_nav_test_variant.configure_response(response) if page_in_scope?
-  end
-
-  def show_new_navigation?
-    content_pages_nav_test_variant.variant?("B") && page_in_scope?
-  end
-
-  def page_in_scope?
-    # Pages are in scope if:
-    # - They are not an out-of-scope format, e.g: html publications
-    # - They are tagged to the taxonomy
-    if @content_item
-      not_an_html_publication? && has_a_live_taxon?
-    end
-  end
-
-  def not_an_html_publication?
-    !@content_item.document_type.eql?("html_publication")
-  end
-
-  def has_a_live_taxon?
-    @content_item.taxons.present? &&
-      @content_item.taxons.detect { |taxon| taxon["phase"] == "live" }
-  end
-
-  def should_show_sidebar?
-    content_pages_nav_test_variant.variant?("A") ||
-      @content_item.step_by_steps.present? ||
-      @content_item.content_item.parsed_content['publishing_app'] != "whitehall"
-  end
-end
diff --git a/app/controllers/content_items_controller.rb b/app/controllers/content_items_controller.rb
index 916088815..9ccad31f1 100644
--- a/app/controllers/content_items_controller.rb
+++ b/app/controllers/content_items_controller.rb
@@ -1,5 +1,4 @@
 class ContentItemsController < ApplicationController
-  include ContentPagesNavAbTestable
 
   rescue_from GdsApi::HTTPForbidden, with: :error_403
   rescue_from GdsApi::HTTPNotFound, with: :error_notfound
@@ -15,8 +14,6 @@ class ContentItemsController < ApplicationController
   def show
     load_content_item
 
-    load_taxonomy_navigation if show_new_navigation?
-
     set_expiry
     set_access_control_allow_origin_header if request.format.atom?
     set_guide_draft_access_token if @content_item.is_a?(GuidePresenter)
@@ -61,54 +58,6 @@ def set_guide_draft_access_token
   def load_content_item
     content_item = Services.content_store.content_item(content_item_path)
     @content_item = PresenterBuilder.new(content_item, content_item_path).presenter
-    @content_item.include_collections_in_other_publisher_metadata = show_new_navigation?
-  end
-
-  def load_taxonomy_navigation
-    if @content_item.taxons.present?
-      current_base_path = @content_item.base_path
-      taxons = @content_item.taxons.select { |taxon| taxon["phase"] == "live" }
-      taxon_ids = taxons.map { |taxon| taxon["content_id"] }
-
-      @taxonomy_navigation = {}
-      @content_item.links_out_supergroups.each do |supergroup|
-        supergroup_taxon_links = "Supergroups::#{supergroup.camelcase}".constantize.new(current_base_path, taxon_ids, filter_content_purpose_subgroup: @content_item.links_out_subgroups(supergroup))
-        @taxonomy_navigation[supergroup.to_sym] = supergroup_taxon_links.tagged_content
-      end
-
-      @tagged_taxons = taxons.map do |taxon|
-        {
-          taxon_id: taxon["content_id"],
-          taxon_name: taxon["title"],
-          taxon_link: taxon["base_path"],
-        }
-      end
-
-      @related_collections = @content_item
-                               .content_item
-                               .dig('links', 'document_collections')
-                               .yield_self { |document_collections| document_collections || [] }
-                               .select { |document_collection| document_collection['document_type'] == 'document_collection' }
-                               .map { |document_collection| document_collection.values_at('base_path', 'title') }
-
-      # Fetch link attributes of parent step by steps required to render the top navigation banner
-      step_by_step_links = @content_item
-                        .content_item
-                        .dig('links', 'part_of_step_navs')
-                        .yield_self { |part_of_step_navs| part_of_step_navs || [] }
-                        .sort_by { |step_by_step_nav| step_by_step_nav['title'] }
-                        .map { |step_by_step_nav| step_by_step_nav.values_at('title', 'base_path') }
-      @banner_items = format_banner_links(step_by_step_links, "Step by Step")
-
-      # Append link attributes of parent taxons to our collections of items for the top navigation banner if the
-      # content item is tagged to more than one taxon. If there is only one taxon a breadcrumb will be used instead.
-      if taxons.many?
-        taxon_links = taxons
-                           .sort_by { |taxon| taxon[:taxon_name] }
-                           .map { |taxon| taxon.values_at('title', 'base_path') }
-        @banner_items += format_banner_links(taxon_links, "Taxon")
-      end
-    end
   end
 
   def format_banner_links(links, type)
diff --git a/app/helpers/phase_label_helper.rb b/app/helpers/phase_label_helper.rb
index cc3b1797d..1d7da5d67 100644
--- a/app/helpers/phase_label_helper.rb
+++ b/app/helpers/phase_label_helper.rb
@@ -1,17 +1,6 @@
 module PhaseLabelHelper
   def render_phase_label(presented_object, message)
-    if show_new_navigation?
-      beta_message = <<~BETA_MESSAGE.html_safe
-        This is a test version of the layout of this page.
-        <a id=taxonomy-navigation-survey
-          href='https://www.smartsurvey.co.uk/s/navigationsurvey2018?c=#{current_path_without_query_string}'
-          target='_blank'
-          rel='noopener noreferrer'>Take the survey to help us improve it</a>
-      BETA_MESSAGE
-
-      render 'govuk_publishing_components/components/phase_banner', phase: 'beta', message: beta_message
-
-    elsif presented_object.respond_to?(:phase) && %w(alpha beta).include?(presented_object.phase)
+    if presented_object.respond_to?(:phase) && %w(alpha beta).include?(presented_object.phase)
       locals = {}
       locals[:message] = message if message.present?
 
diff --git a/app/lib/services.rb b/app/lib/services.rb
index 3f7855c6a..bbec4f35a 100644
--- a/app/lib/services.rb
+++ b/app/lib/services.rb
@@ -11,9 +11,4 @@ def self.content_store
       disable_cache: true,
     )
   end
-
-  def self.rummager
-    @rummager ||= GdsApi::Rummager.new(Plek.new.find("rummager"),
-      timeout: 2)
-  end
 end
diff --git a/app/presenters/content_item/links_out.rb b/app/presenters/content_item/links_out.rb
deleted file mode 100644
index 25f38942d..000000000
--- a/app/presenters/content_item/links_out.rb
+++ /dev/null
@@ -1,109 +0,0 @@
-module ContentItem
-  module LinksOut
-    def links_out_supergroups
-      @links_out_supergroups ||= fetch_links_out_supergroups
-    end
-
-    def links_out_subgroups(supergroup)
-      fetch_links_out_subgroups(supergroup)
-    end
-
-  private
-
-    def fetch_links_out_supergroups
-      links_out.map { |link| link["supergroup"] }.uniq
-    end
-
-    def fetch_links_out_subgroups(supergroup)
-      subgroups = []
-      links_out.each do |link|
-        if link["type"] == "content_purpose_subgroup" && link["supergroup"] == supergroup
-          subgroups << link["title"]
-        end
-      end
-      subgroups.uniq
-    end
-
-    def links_out
-      @links_out ||= fetch_links_out
-    end
-
-    def fetch_links_out
-      document_type_link_rule = DocumentTypeLinkRule.new(content_item)
-      return document_type_link_rule.links if document_type_link_rule.any?
-      subgroup_link_rule = SubgroupLinkRule.new(content_item)
-      return subgroup_link_rule.links if subgroup_link_rule.any?
-      SupergroupLinkRule.new(content_item).links
-    end
-
-    class LinkRule
-      def initialize(content_item)
-        @content_item = content_item
-        @rules = load_rules
-        @links = fetch_links
-      end
-
-      def any?
-        !@links.nil?
-      end
-
-      def links
-        @links || []
-      end
-
-    private
-
-      def fetch_links
-        if @content_item.dig(rule_level) &&
-            @rules[rule_level] &&
-            @rules[rule_level].dig(@content_item[rule_level])
-          @rules[rule_level][@content_item[rule_level]]
-        end
-      end
-
-      def load_rules
-        Rails.configuration.taxonomy_navigation_links_out
-      end
-
-      def rule_level
-        NotImplementedError
-      end
-    end
-
-    class DocumentTypeLinkRule < LinkRule
-      def initialize(content_item)
-        super
-      end
-
-    private
-
-      def rule_level
-        'document_type'
-      end
-    end
-
-    class SubgroupLinkRule < LinkRule
-      def initialize(content_item)
-        super
-      end
-
-    private
-
-      def rule_level
-        'content_purpose_subgroup'
-      end
-    end
-
-    class SupergroupLinkRule < LinkRule
-      def initialize(content_item)
-        super
-      end
-
-    private
-
-      def rule_level
-        'content_purpose_supergroup'
-      end
-    end
-  end
-end
diff --git a/app/presenters/content_item/metadata.rb b/app/presenters/content_item/metadata.rb
index 6daa7d2e9..a9f4a706a 100644
--- a/app/presenters/content_item/metadata.rb
+++ b/app/presenters/content_item/metadata.rb
@@ -20,18 +20,14 @@ def important_metadata
     end
 
     def publisher_metadata
-      {}.tap do |publisher_metadata|
-        publisher_metadata[:published] = published
-        publisher_metadata[:last_updated] = updated
-        publisher_metadata[:link_to_history] = !!updated
-        publisher_metadata[:other] = {
-          from: from,
+      {
+        published: published,
+        last_updated: updated,
+        link_to_history: !!updated,
+        other: {
+          from: from
         }
-
-        if include_collections_in_other_publisher_metadata
-          publisher_metadata[:other][:collections] = links('document_collections')
-        end
-      end
+      }
     end
   end
 end
diff --git a/app/presenters/content_item_presenter.rb b/app/presenters/content_item_presenter.rb
index f2bde825c..e2c0e1277 100644
--- a/app/presenters/content_item_presenter.rb
+++ b/app/presenters/content_item_presenter.rb
@@ -1,6 +1,5 @@
 class ContentItemPresenter
   include ContentItem::Withdrawable
-  include ContentItem::LinksOut
 
   attr_reader :content_item,
               :requested_content_item_path,
diff --git a/app/presenters/supergroups/guidance_and_regulation.rb b/app/presenters/supergroups/guidance_and_regulation.rb
deleted file mode 100644
index 2df25efe2..000000000
--- a/app/presenters/supergroups/guidance_and_regulation.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-module Supergroups
-  class GuidanceAndRegulation < Supergroup
-    def initialize(current_path, taxon_ids, filters)
-      super(current_path, taxon_ids, filters, MostPopularContent)
-    end
-
-    def tagged_content
-      format_document_data(@content, include_timestamp: false)
-    end
-  end
-end
diff --git a/app/presenters/supergroups/news_and_communications.rb b/app/presenters/supergroups/news_and_communications.rb
deleted file mode 100644
index cb517e1ae..000000000
--- a/app/presenters/supergroups/news_and_communications.rb
+++ /dev/null
@@ -1,48 +0,0 @@
-module Supergroups
-  class NewsAndCommunications < Supergroup
-    attr_reader :content
-
-    PLACEHOLDER_IMAGE = "#{Plek.current.asset_root}/government/assets/placeholder.jpg".freeze
-
-    def initialize(current_path, taxon_ids, filters)
-      super(current_path, taxon_ids, filters, MostRecentContent)
-    end
-
-    def tagged_content
-      format_document_data(@content)
-    end
-
-  private
-
-    def format_document_data(documents)
-      # Start with_index at 1 to help align analytics
-      documents.each.with_index(1).map do |document, index|
-        data = {
-          link: {
-            text: document["title"],
-            path: document["link"],
-            data_attributes: data_attributes(document["link"], document["title"], index, "ImageCardClicked")
-          },
-          metadata: {
-            document_type: document_type(document),
-            public_updated_at: updated_date(document)
-          },
-          image: {
-            url: image_url(document),
-            context: context(document)
-          }
-        }
-
-        data
-      end
-    end
-
-    def image_url(document)
-      document["image_url"] || PLACEHOLDER_IMAGE
-    end
-
-    def context(document)
-      "#{document_type(document)} - #{updated_date(document).strftime('%e %B %Y')}"
-    end
-  end
-end
diff --git a/app/presenters/supergroups/policy_and_engagement.rb b/app/presenters/supergroups/policy_and_engagement.rb
deleted file mode 100644
index f773c31da..000000000
--- a/app/presenters/supergroups/policy_and_engagement.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-module Supergroups
-  class PolicyAndEngagement < Supergroup
-    def initialize(current_path, taxon_ids, filters)
-      super(current_path, taxon_ids, filters, MostRecentContent)
-    end
-  end
-end
diff --git a/app/presenters/supergroups/services.rb b/app/presenters/supergroups/services.rb
deleted file mode 100644
index 1eed005c2..000000000
--- a/app/presenters/supergroups/services.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-module Supergroups
-  class Services < Supergroup
-    attr_reader :content
-
-    def initialize(current_path, taxon_ids, filters)
-      super(current_path, taxon_ids, filters, MostPopularContent)
-    end
-
-    def tagged_content
-      format_document_data(@content, data_category: "HighlightBoxClicked")
-    end
-  end
-end
diff --git a/app/presenters/supergroups/supergroup.rb b/app/presenters/supergroups/supergroup.rb
deleted file mode 100644
index 9560bfe7f..000000000
--- a/app/presenters/supergroups/supergroup.rb
+++ /dev/null
@@ -1,70 +0,0 @@
-module Supergroups
-  class Supergroup
-    def initialize(current_path, taxon_ids, filters, content_order_class)
-      @current_path = current_path
-      @taxon_ids = taxon_ids
-      @filters = filters.merge(default_filters)
-      @content = fetch_content(content_order_class)
-    end
-
-    def tagged_content
-      format_document_data(@content)
-    end
-
-  private
-
-    def format_document_data(documents, data_category: nil, include_timestamp: true)
-      # Start with_index at 1 to help align analytics
-      documents.each.with_index(1).map do |document, index|
-        data = {
-          link: {
-            text: document["title"],
-            path: document["link"],
-            data_attributes: data_attributes(document["link"], document["title"], index, data_category)
-          },
-          metadata: {
-            document_type: document_type(document)
-          }
-        }
-
-        if include_timestamp && document["public_timestamp"]
-          data[:metadata][:public_updated_at] = updated_date(document)
-        end
-
-        data
-      end
-    end
-
-    def data_attributes(base_path, link_text, index, data_category)
-      {
-        track_category: data_module_label + (data_category || "DocumentListClicked"),
-        track_action: index,
-        track_label: base_path,
-        track_options: {
-          dimension29: link_text
-        }
-      }
-    end
-
-    def document_type(document)
-      document["content_store_document_type"].humanize
-    end
-
-    def updated_date(document)
-      Date.parse(document["public_timestamp"])
-    end
-
-    def data_module_label
-      self.class.name.demodulize.camelize(:lower)
-    end
-
-    def default_filters
-      { filter_content_purpose_supergroup: self.class.name.demodulize.underscore }
-    end
-
-    def fetch_content(content_order_class)
-      return [] unless @taxon_ids.any?
-      content_order_class.fetch(content_ids: @taxon_ids, current_path: @current_path, filters: @filters)
-    end
-  end
-end
diff --git a/app/presenters/supergroups/transparency.rb b/app/presenters/supergroups/transparency.rb
deleted file mode 100644
index f7afcbbd4..000000000
--- a/app/presenters/supergroups/transparency.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-module Supergroups
-  class Transparency < Supergroup
-    def initialize(current_path, taxon_ids, filters)
-      super(current_path, taxon_ids, filters, MostRecentContent)
-    end
-  end
-end
diff --git a/app/services/most_popular_content.rb b/app/services/most_popular_content.rb
deleted file mode 100644
index d9979346b..000000000
--- a/app/services/most_popular_content.rb
+++ /dev/null
@@ -1,42 +0,0 @@
-require 'gds_api/rummager'
-
-class MostPopularContent
-  include RummagerFields
-
-  attr_reader :content_ids, :current_path, :filters, :number_of_links
-
-  def initialize(content_ids:, current_path:, filters: {}, number_of_links: 3)
-    @content_ids = content_ids
-    @current_path = current_path
-    @filters = filters
-    @number_of_links = number_of_links
-  end
-
-  def self.fetch(content_ids:, current_path:, filters:)
-    new(content_ids: content_ids, current_path: current_path, filters: filters).fetch
-  end
-
-  def fetch
-    search_response["results"]
-  rescue GdsApi::HTTPErrorResponse => e
-    GovukStatsd.increment("govuk_content_pages.most_popular.#{e.class.name.demodulize.downcase}")
-    []
-  end
-
-private
-
-  def search_response
-    params = {
-      start: 0,
-      count: number_of_links,
-      fields: RummagerFields::TAXON_SEARCH_FIELDS,
-      filter_part_of_taxonomy_tree: content_ids,
-      order: '-popularity',
-      reject_link: current_path,
-    }
-    params[:filter_content_purpose_supergroup] = @filters[:filter_content_purpose_supergroup] if @filters[:filter_content_purpose_supergroup].present?
-    params[:filter_content_purpose_subgroup] = @filters[:filter_content_purpose_subgroup] if @filters[:filter_content_purpose_subgroup].present?
-
-    Services.rummager.search(params)
-  end
-end
diff --git a/app/services/most_recent_content.rb b/app/services/most_recent_content.rb
deleted file mode 100644
index db6eea092..000000000
--- a/app/services/most_recent_content.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-class MostRecentContent
-  attr_reader :content_id, :current_path, :filters, :number_of_links
-
-  def initialize(content_ids:, current_path:, filters: {}, number_of_links: 3)
-    @content_ids = content_ids
-    @current_path = current_path
-    @filters = filters
-    @number_of_links = number_of_links
-  end
-
-  def self.fetch(content_ids:, current_path:, filters:)
-    new(content_ids: content_ids, current_path: current_path, filters: filters).fetch
-  end
-
-  def fetch
-    search_response["results"]
-  rescue GdsApi::HTTPErrorResponse => e
-    GovukStatsd.increment("govuk_content_pages.most_recent.#{e.class.name.demodulize.downcase}")
-    []
-  end
-
-private
-
-  def search_response
-    params = {
-      start: 0,
-      count: number_of_links,
-      fields: RummagerFields::TAXON_SEARCH_FIELDS,
-      filter_part_of_taxonomy_tree: @content_ids,
-      order: '-public_timestamp',
-      reject_link: current_path,
-    }
-    params[:filter_content_purpose_supergroup] = @filters[:filter_content_purpose_supergroup] if @filters[:filter_content_purpose_supergroup].present?
-    params[:filter_content_purpose_subgroup] = @filters[:filter_content_purpose_subgroup] if @filters[:filter_content_purpose_subgroup].present?
-
-    Services.rummager.search(params)
-  end
-end
diff --git a/app/services/rummager_fields.rb b/app/services/rummager_fields.rb
deleted file mode 100644
index f8969821c..000000000
--- a/app/services/rummager_fields.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-module RummagerFields
-  TAXON_SEARCH_FIELDS = %w(content_store_document_type
-                           description
-                           image_url
-                           link
-                           organisations
-                           public_timestamp
-                           title).freeze
-
-  FEED_SEARCH_FIELDS = %w(title
-                          link
-                          description
-                          display_type
-                          public_timestamp).freeze
-end
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 6802d0d17..282739496 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -24,7 +24,6 @@
   <% if @content_item.description %>
     <meta name="description" content="<%= strip_tags(@content_item.description) %>" />
   <% end %>
-  <%= content_pages_nav_test_variant.analytics_meta_tag.html_safe if page_in_scope? %>
 
   <%= yield :extra_head_content %>
 </head>
@@ -38,61 +37,12 @@
 
     <% if @content_item.try(:back_link) %>
       <%= render 'govuk_publishing_components/components/back_link', href: @content_item.back_link %>
-    <% elsif show_new_navigation? %>
-      <% navigation = GovukPublishingComponents::Presenters::ContextualNavigation.new(@content_item.content_item.parsed_content, request) %>
-
-      <% if @tagged_taxons.present? || navigation.breadcrumbs.present? %>
-        <div class='gem-c-contextual-breadcrumbs'>
-          <% if @tagged_taxons.present? %>
-            <% if @tagged_taxons.one? %>
-              <%= render 'govuk_publishing_components/components/breadcrumbs',
-                         breadcrumbs: navigation.taxon_breadcrumbs[:breadcrumbs],
-                         collapse_on_mobile: true %>
-            <% else %>
-              <%= render 'govuk_publishing_components/components/breadcrumbs',
-                         breadcrumbs: [{ title: "Home", url: "/" }] %>
-            <% end %>
-          <% elsif navigation.breadcrumbs.present? %>
-            <%= render 'govuk_publishing_components/components/breadcrumbs',
-                       breadcrumbs: navigation.breadcrumbs %>
-          <% end %>
-        </div>
-      <% end %>
-
-      <% if @banner_items.present? %>
-        <div class="taxonomy-navigation__banner" data-module="track-click">
-          <% if @banner_items.size <= 2 %>
-            <p>This page is part of <%= @banner_items.take(2).to_sentence.html_safe %></p>
-          <% else %>
-            <% featured_banner_link, *other_banner_links = @banner_items %>
-            <div data-module="gem-toggle">
-              <p>
-                This page is part of <%= featured_banner_link %>
-                and <%= pluralize(other_banner_links.size, 'other') %>
-                <a href="#"
-                  data-controls="toggle_taxonomy-navigation__banner-extra"
-                  data-expanded="false"
-                  data-toggled-text="&minus; hide all">+ show all</a>
-              </p>
-              <p id="toggle_taxonomy-navigation__banner-extra" class="js-hidden">
-                <%= other_banner_links.to_sentence.html_safe %>
-              </p>
-            </div>
-          <% end %>
-        </div>
-      <% end %>
     <% else  %>
       <%= render 'govuk_publishing_components/components/contextual_breadcrumbs', content_item: @content_item.content_item.parsed_content %>
     <% end %>
 
     <main role="main" id="content" class="<%= @content_item.schema_name.dasherize %>" lang="<%= I18n.locale %>">
       <%= yield %>
-      <% if show_new_navigation? && @taxonomy_navigation %>
-        <%= render 'shared/taxonomy_navigation',
-                   taxonomy_navigation: @taxonomy_navigation,
-                   tagged_taxons: @tagged_taxons,
-                   related_collections: @related_collections %>
-      <% end %>
     </main>
     <%= render 'govuk_publishing_components/components/feedback' %>
   </div>
diff --git a/app/views/shared/_sidebar_navigation.html.erb b/app/views/shared/_sidebar_navigation.html.erb
index a8d43504e..40a986d08 100644
--- a/app/views/shared/_sidebar_navigation.html.erb
+++ b/app/views/shared/_sidebar_navigation.html.erb
@@ -1,14 +1,7 @@
 <%
   content_item = @content_item.content_item.parsed_content
-
-  if show_new_navigation?
-    content_item['links']
-        .yield_self { |links| links.except!('document_collections', 'mainstream_browse_pages', 'topics') }
-  end
 %>
 
-<% if should_show_sidebar? %>
-  <div class="column-one-third">
-    <%= render 'govuk_publishing_components/components/contextual_sidebar', content_item: content_item %>
-  </div>
-<% end %>
+<div class="column-one-third">
+  <%= render 'govuk_publishing_components/components/contextual_sidebar', content_item: content_item %>
+</div>
diff --git a/app/views/shared/_taxonomy_navigation.html.erb b/app/views/shared/_taxonomy_navigation.html.erb
deleted file mode 100644
index 7c02b6eb1..000000000
--- a/app/views/shared/_taxonomy_navigation.html.erb
+++ /dev/null
@@ -1,146 +0,0 @@
-<% if taxonomy_navigation.values().flatten.any? %>
-  <div class="taxonomy-navigation" data-module="track-click" lang="en">
-    <div class="taxonomy-navigation__row">
-      <div class="taxonomy-navigation__column">
-        <%= render "govuk_publishing_components/components/heading",
-          text: t('supergroups.topics'),
-          heading_level: 2,
-          font_size: 19
-        %>
-        <ul>
-          <% tagged_taxons.each_with_index do |tagged_taxon, index| %>
-            <li class="taxonomy-navigation__list-item">
-              <%= link_to(
-                tagged_taxon[:taxon_name],
-                tagged_taxon[:taxon_link],
-                data: {
-                  "track-category": "relatedTaxonomyLinkClicked",
-                  "track-action": "1.#{index} Topics",
-                  "track-label": tagged_taxon[:taxon_link],
-                  "track-options": {
-                    dimension29: tagged_taxon[:taxon_name]
-                  }
-                }
-              ) %>
-            </li>
-          <% end %>
-        </ul>
-      </div>
-
-      <% if related_collections.any? %>
-        <div class="taxonomy-navigation__column">
-          <%= render "govuk_publishing_components/components/heading",
-                     text: t('supergroups.collections'),
-                     heading_level: 2,
-                     font_size: 19 %>
-          <ul>
-            <% related_collections.each_with_index do |collection, index| %>
-              <li class="taxonomy-navigation__list-item">
-                <%= link_to(
-                  collection[1],
-                  collection[0],
-                  data: {
-                    "track-category": "relatedTaxonomyLinkClicked",
-                    "track-action": "2.#{index} Collections",
-                    "track-label": collection[0],
-                    "track-options": {
-                      dimension29: collection[1]
-                    }
-                  }
-                ) %>
-              </li>
-            <% end %>
-          </ul>
-        </div>
-      <% end %>
-    </div>
-
-    <% if taxonomy_navigation[:services].present? %>
-      <div class="taxonomy-navigation__section">
-        <%= render "govuk_publishing_components/components/heading", {
-          text: t('supergroups.services'),
-          heading_level: 3,
-          font_size: 24,
-          margin_bottom: 2
-        } %>
-
-        <%= render "govuk_publishing_components/components/highlight_boxes", {
-          inverse: true,
-          items: taxonomy_navigation[:services]
-        } %>
-      </div>
-    <% end %>
-
-    <% if taxonomy_navigation[:guidance_and_regulation].present? %>
-      <div class="taxonomy-navigation__section">
-        <%= render "govuk_publishing_components/components/heading", {
-            text: t('supergroups.guidance_and_regulation'),
-            heading_level: 3,
-            font_size: 24,
-            margin_bottom: 2
-        } %>
-
-        <%= render "govuk_publishing_components/components/document_list", {
-            items: taxonomy_navigation[:guidance_and_regulation]
-        } %>
-      </div>
-    <% end %>
-
-    <% if taxonomy_navigation[:news_and_communications].present? %>
-      <div class="taxonomy-navigation__section">
-        <%= render "govuk_publishing_components/components/heading", {
-          text: t('supergroups.news_and_communications'),
-          heading_level: 3,
-          font_size: 24,
-          margin_bottom: 2
-        } %>
-
-        <ul class="grid-row">
-          <% taxonomy_navigation[:news_and_communications].each do |promo| %>
-            <li class="column-one-third taxonomy-navigation__list-item">
-              <%= render "govuk_publishing_components/components/image_card", {
-                context: promo[:image][:context],
-                href: promo[:link][:path],
-                heading_text: promo[:link][:text],
-                image_src: promo[:image][:url],
-                heading_level: 0,
-                href_data_attributes: promo[:link][:data_attributes]
-                } %>
-            </li>
-          <% end %>
-        </ul>
-      </div>
-    <% end %>
-
-    <% if taxonomy_navigation[:policy_and_engagement].present? %>
-      <div class="taxonomy-navigation__section">
-        <%= render "govuk_publishing_components/components/heading", {
-            text: t('supergroups.policy_and_engagement'),
-            heading_level: 3,
-            font_size: 24,
-            margin_bottom: 2
-        } %>
-
-        <%= render "govuk_publishing_components/components/document_list", {
-            items: taxonomy_navigation[:policy_and_engagement]
-        } %>
-      </div>
-    <% end %>
-
-    <% if taxonomy_navigation[:transparency].present? %>
-      <div class="taxonomy-navigation__section">
-        <%= render "govuk_publishing_components/components/heading", {
-            text: t('supergroups.transparency'),
-            heading_level: 3,
-            font_size: 24,
-            margin_bottom: 2
-        } %>
-
-        <%= render "govuk_publishing_components/components/document_list", {
-            items: taxonomy_navigation[:transparency]
-        } %>
-      </div>
-    <% end %>
-
-  </div>
-<% end %>
diff --git a/config/application.rb b/config/application.rb
index 127410522..816d8582f 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -49,8 +49,5 @@ class Application < Rails::Application
 
     # Do not swallow errors in after_commit/after_rollback callbacks.
     # config.active_record.raise_in_transactional_callbacks = true
-
-    # Load links out configuration for taxonomy navigation
-    config.taxonomy_navigation_links_out = config_for(:taxonomy_navigation_links_out)
   end
 end
diff --git a/config/initializers/logstasher.rb b/config/initializers/logstasher.rb
deleted file mode 100644
index 36e2f1b8b..000000000
--- a/config/initializers/logstasher.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-if Object.const_defined?('LogStasher') && LogStasher.enabled
-  LogStasher.add_custom_fields do |fields|
-    fields[:govuk_content_pages_variant] = request.headers['GOVUK-ABTest-ContentPagesNav']
-  end
-end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 1b0a345a7..88fd8f6ad 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -50,15 +50,6 @@ en:
       last_updated: "Last updated %{date}"
       published: "Published %{date}"
       see_all_updates: "see all updates"
-  supergroups:
-    services: "Services"
-    guidance_and_regulation: "Guidance and regulation"
-    news_and_communications: "News and communications"
-    policy_and_engagement: "Policy and engagement"
-    transparency: "Transparency"
-    see_more_supergroups: "See more %{supergroup}"
-    topics: "Topics"
-    collections: "Collections"
   language_names:
     ar: Arabic
     de: German
diff --git a/config/taxonomy_navigation_links_out.yml b/config/taxonomy_navigation_links_out.yml
deleted file mode 100644
index 18f6b5600..000000000
--- a/config/taxonomy_navigation_links_out.yml
+++ /dev/null
@@ -1,104 +0,0 @@
-default: &default
-  content_purpose_supergroup:
-    news_and_communications:
-    - title: policy_and_engagement
-      type: content_purpose_supergroup
-      supergroup: policy_and_engagement
-    - title: research_and_data
-      type: content_purpose_subgroup
-      supergroup: transparency
-    - title: guidance
-      type: content_purpose_subgroup
-      supergroup: guidance_and_regulation
-    - title: news
-      type: content_purpose_subgroup
-      supergroup: news_and_communications
-    - title: incidents
-      type: content_purpose_subgroup
-      supergroup: transparency
-    guidance_and_regulation:
-    - title: services
-      type: content_purpose_supergroup
-      supergroup: services
-    - title: guidance
-      type: content_purpose_subgroup
-      supergroup: guidance_and_regulation
-    - title: news
-      type: content_purpose_subgroup
-      supergroup: news_and_communications
-    - title: decisions
-      type: content_purpose_subgroup
-      supergroup: transparency
-    - title: step_by_step
-      type: document_type
-      supergroup: services
-    services:
-    - title: services
-      type: content_purpose_supergroup
-      supergroup: services
-    - title: guidance
-      type: content_purpose_subgroup
-      supergroup: guidance_and_regulation
-  content_purpose_subgroup:
-    policy:
-    - title: policy_and_engagement
-      type: content_purpose_supergroup
-      supergroup: policy_and_engagement
-    - title: policy
-      type: content_purpose_subgroup
-      supergroup: policy_and_engagement
-    incidents:
-    - title: incidents
-      type: content_purpose_subgroup
-      supergroup: transparency
-    - title: news
-      type: content_purpose_subgroup
-      supergroup: news_and_communications
-    - title: research_and_data
-      type: content_purpose_supergroup
-      supergroup: transparency
-    - title: guidance
-      type: content_purpose_subgroup
-      supergroup: guidance_and_regulation
-    research_and_data:
-    - title: research_and_data
-      type: content_purpose_supergroup
-      supergroup: transparency
-    decisions:
-    - title: news
-      type: content_purpose_subgroup
-      supergroup: news_and_communications
-    - title: guidance
-      type: content_purpose_subgroup
-      supergroup: guidance_and_regulation
-  document_type:
-    fatality_notice: []
-    manual: []
-    manual_section: []
-    open_consultation:
-    - title: policy_and_engagement
-      type: content_purpose_supergroup
-      supergroup: policy_and_engagement
-    - title: decisions
-      type: content_purpose_subgroup
-      supergroup: transparency
-    closed_consultation:
-    - title: policy_and_engagement
-      type: content_purpose_supergroup
-      supergroup: policy_and_engagement
-    - title: decisions
-      type: content_purpose_subgroup
-      supergroup: transparency
-    consultation_outcome:
-    - title: decisions
-      type: content_purpose_subgroup
-      supergroup: transparency
-
-development:
-  <<: *default
-
-test:
-  <<: *default
-
-production:
-  <<: *default
\ No newline at end of file
diff --git a/test/controllers/content_pages_nav_ab_testable_test.rb b/test/controllers/content_pages_nav_ab_testable_test.rb
deleted file mode 100644
index c1dc2f458..000000000
--- a/test/controllers/content_pages_nav_ab_testable_test.rb
+++ /dev/null
@@ -1,108 +0,0 @@
-require 'test_helper'
-
-class ContentItemsControllerTest < ActionController::TestCase
-  include ContentPagesNavTestHelper
-  include GdsApi::TestHelpers::ContentStore
-  include GdsApi::TestHelpers::Rummager
-  include GovukAbTesting::MinitestHelpers
-
-  setup do
-    stub_rummager
-  end
-
-  %w(A B).each do |test_variant|
-    test "ContentPagesNav variant #{test_variant} works with a valid taxon" do
-      content_item = content_store_has_schema_example("guide", "single-page-guide").tap do |item|
-        item["links"]["taxons"] = SINGLE_TAXON
-      end
-
-      ensure_ab_test_is_correctly_setup(test_variant, content_item)
-    end
-
-    test "ContentPagesNav variant #{test_variant} works without a valid taxon" do
-      content_item = content_store_has_schema_example("guide", "single-page-guide")
-
-      @controller.stubs(:page_in_scope?).returns(true)
-      ensure_ab_test_is_correctly_setup(test_variant, content_item)
-    end
-
-    # HTML publications don't use the universal layout so we'll exclude them for now
-    test "ContentPagesNav test is inactive for HTML publications (variant #{test_variant})" do
-      content_item = content_store_has_schema_example("html_publication", "published").tap do |item|
-        item["links"]["taxons"] = SINGLE_TAXON
-      end
-
-      setup_ab_variant("ContentPagesNav", test_variant)
-
-      get :show, params: { path: path_for(content_item) }
-
-      assert_response_not_modified_for_ab_test("ContentPagesNav")
-    end
-
-    test "ContentPagesNav test is inactive when content is not tagged to a live taxon (variant #{test_variant})" do
-      content_item = content_store_has_schema_example("guide", "single-page-guide").tap do |item|
-        item["links"]["taxons"] = SINGLE_NON_LIVE_TAXON
-      end
-
-      setup_ab_variant("ContentPagesNav", test_variant)
-
-      get :show, params: { path: path_for(content_item) }
-
-      assert_response_not_modified_for_ab_test("ContentPagesNav")
-    end
-  end
-
-  test "should_show_sidebar? is true for variant A" do
-    content_item = content_store_has_schema_example("guide", "single-page-guide")
-    setup_ab_variant("ContentPagesNav", "A")
-    get :show, params: { path: path_for(content_item) }
-    assert @controller.should_show_sidebar?
-  end
-
-  test "should_show_sidebar? is true for variant B if the publishing app is not whitehall" do
-    content_item = content_store_has_schema_example("guide", "single-page-guide")
-    setup_ab_variant("ContentPagesNav", "B")
-    get :show, params: { path: path_for(content_item) }
-
-    assert @controller.should_show_sidebar?
-  end
-
-  test "should_show_sidebar? is false for variant B if the publishing app is whitehall" do
-    content_item = govuk_content_schema_example("guide", "single-page-guide").merge("publishing_app" => "whitehall")
-    content_store_has_item(content_item['base_path'], content_item)
-
-    setup_ab_variant("ContentPagesNav", "B")
-    get :show, params: { path: path_for(content_item) }
-
-    refute @controller.should_show_sidebar?
-  end
-
-  test "should_show_sidebar? is true when tagged to a step by step even for whitehall content" do
-    content_item = content_store_has_schema_example("guide", "guide-with-step-navs").merge("publishing_app" => "whitehall")
-    setup_ab_variant("ContentPagesNav", "B")
-    get :show, params: { path: path_for(content_item) }
-
-    assert @controller.should_show_sidebar?
-  end
-
-  def ensure_ab_test_is_correctly_setup(test_variant, content_item)
-    content_store_has_item(content_item['base_path'], content_item)
-
-    @controller.stubs(:page_in_scope?).returns(true)
-
-    with_variant ContentPagesNav: test_variant do
-      get :show, params: { path: path_for(content_item) }
-      assert_response 200
-
-      ab_test = GovukAbTesting::AbTest.new("ContentPagesNav", dimension: 65)
-      requested = ab_test.requested_variant(request.headers)
-      assert requested.variant?(test_variant)
-    end
-  end
-
-  def path_for(content_item, locale = nil)
-    base_path = content_item['base_path'].sub(/^\//, '')
-    base_path.gsub!(/\.#{locale}$/, '') if locale
-    base_path
-  end
-end
diff --git a/test/integration/content_pages_navigation_test.rb b/test/integration/content_pages_navigation_test.rb
deleted file mode 100644
index 5e65ae77d..000000000
--- a/test/integration/content_pages_navigation_test.rb
+++ /dev/null
@@ -1,507 +0,0 @@
-require 'test_helper'
-
-class ContentPagesNavigationTest < ActionDispatch::IntegrationTest
-  include ContentPagesNavTestHelper
-  include GdsApi::TestHelpers::Rummager
-
-  def setup
-    stub_links_out_supergroups_to_include_all
-  end
-
-  test "ContentPagesNav variant A does not show taxonomy navigation for single taxon" do
-    setup_variant_a
-
-    setup_and_visit_content_item_with_taxons('guide', SINGLE_TAXON)
-
-    refute page.has_css?('.taxonomy-navigation')
-  end
-
-  test "ContentPagesNav variant B does not show taxonomy navigation for content not tagged to a taxon" do
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide', [])
-
-    refute page.has_css?('.taxonomy-navigation')
-  end
-
-  test "ContentPagesNav variant B shows taxonomy navigation for single taxon" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide', SINGLE_TAXON)
-
-    assert page.has_css?('.taxonomy-navigation li', text: 'Becoming an apprentice')
-    assert page.has_css?('.gem-c-highlight-boxes__title', text: 'Free school meals form')
-  end
-
-  test "ContentPagesNav variant B renders many taxons nicely" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide', THREE_TAXONS)
-
-    within '.taxonomy-navigation' do
-      assert page.has_css?('li a[href="/education/becoming-an-apprentice"]', text: 'Becoming an apprentice')
-      assert page.has_css?('li a[href="/education/becoming-a-wizard"]', text: 'Becoming a wizard')
-      assert page.has_css?('li a[href="/education/becoming-the-sorceror-supreme"]', text: 'Becoming the sorceror supreme')
-    end
-
-    assert page.has_css?('.gem-c-highlight-boxes__title', text: 'Free school meals form')
-  end
-
-  test "ContentPagesNav variant B only includes live taxons" do
-    stub_rummager
-    setup_variant_b
-
-    taxons = SINGLE_TAXON + SINGLE_NON_LIVE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    within '.taxonomy-navigation' do
-      assert page.has_css?('li a[href="/education/becoming-an-apprentice"]', text: 'Becoming an apprentice')
-      refute page.has_css?('li a[href="/education/becoming-a-ghostbuster"]', text: 'Becoming a ghostbuster')
-    end
-  end
-
-  test "ContentPagesNav variant A shows sidebar" do
-    stub_rummager
-    setup_sidebar_variant_a
-
-    setup_and_visit_content_from_publishing_app(publishing_app: 'publisher')
-    assert page.has_css?('.gem-c-contextual-sidebar')
-  end
-
-  test "ContentPagesNav variant B hides sidebar" do
-    stub_rummager
-    setup_sidebar_variant_b
-
-    setup_and_visit_content_from_publishing_app(publishing_app: 'whitehall')
-    refute page.has_css?('.gem-c-contextual-sidebar')
-  end
-
-  test "shows the Services section title and documents with tracking" do
-    stub_rummager
-    stub_empty_guidance
-    stub_empty_news
-    stub_empty_policies
-    stub_empty_transparency
-    setup_variant_b
-
-    taxons = SINGLE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    assert page.has_css?('h3', text: "Services")
-    assert page.has_css?('.gem-c-highlight-boxes__title', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-highlight-boxes__title[data-track-category="servicesHighlightBoxClicked"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-highlight-boxes__title[data-track-action="1"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-highlight-boxes__title[data-track-label="/government/publications/meals"]', text: 'Free school meals form')
-  end
-
-  test "does not show the Services section if there is no tagged content" do
-    stub_empty_rummager
-    setup_variant_b
-
-    taxons = SINGLE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    refute page.has_css?('h3', text: "Services")
-  end
-
-  test "shows the Policy section title and documents with tracking" do
-    stub_rummager
-    stub_empty_guidance
-    stub_empty_news
-    stub_empty_services
-    stub_empty_transparency
-    setup_variant_b
-
-    taxons = SINGLE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    assert page.has_css?('h3', text: "Policy and engagement")
-
-    assert page.has_css?('.gem-c-document-list__item a[data-track-category="policyAndEngagementDocumentListClicked"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-document-list__item a[data-track-action="1"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-document-list__item a[data-track-label="/government/publications/meals"]', text: 'Free school meals form')
-  end
-
-  test "does not show the Policy section if there is no tagged content" do
-    stub_empty_rummager
-    setup_variant_b
-
-    taxons = SINGLE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    refute page.has_css?('h3', text: "Policy and engagement")
-  end
-
-  test "shows the Guidance section title and documents with tracking" do
-    stub_rummager
-    stub_empty_policies
-    stub_empty_news
-    stub_empty_services
-    stub_empty_transparency
-    setup_variant_b
-
-    taxons = SINGLE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    assert_has_guidance_and_regulation_section
-  end
-
-  test "does not show the Guidance section if there is no tagged content" do
-    stub_empty_rummager
-    setup_variant_b
-
-    taxons = SINGLE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    refute page.has_css?('h3', text: "Guidance and regulation")
-  end
-
-  test "shows the Transparency section title and documents with tracking" do
-    stub_rummager
-    stub_empty_guidance
-    stub_empty_news
-    stub_empty_policies
-    stub_empty_services
-    setup_variant_b
-
-    taxons = SINGLE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    assert_has_transparency_section
-  end
-
-  test "does not show the Transparency section if there is no tagged content" do
-    stub_empty_rummager
-    setup_variant_b
-
-    taxons = SINGLE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    refute page.has_css?('h3', text: "Guidance and regulation")
-  end
-
-  test "shows the News and comms section title and documents with tracking" do
-    stub_rummager
-    stub_empty_services
-    stub_empty_guidance
-    stub_empty_policies
-    stub_empty_transparency
-    setup_variant_b
-
-    taxons = SINGLE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    assert_has_news_and_communications_section
-  end
-
-  test "does not show the News and comms section if there is no tagged content" do
-    stub_empty_rummager
-    setup_variant_b
-
-    taxons = SINGLE_TAXON
-
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    refute page.has_css?('h3', text: "News and communications")
-  end
-
-  test "ContentPagesNav variant A shows explore the topic in the sidebar" do
-    setup_variant_a
-
-    setup_and_visit_content_item('guide')
-
-    assert page.has_css?('.gem-c-related-navigation__sub-heading', text: 'Explore the topic')
-  end
-
-  test "ContentPagesNav variant B does not show explore the topic in the sidebar" do
-    setup_variant_b
-
-    setup_and_visit_content_item('guide')
-
-    refute page.has_css?('.gem-c-related-navigation__sub-heading', text: 'Explore the topic')
-  end
-
-  test "shows parent-based breadcrumbs if variant a" do
-    stub_empty_rummager
-    taxons = THREE_TAXONS
-    setup_and_visit_content_item_with_taxons('guide', taxons)
-
-    within('.gem-c-contextual-breadcrumbs') do
-      assert page.has_css?('a', text: "Home")
-      assert page.has_css?('a', text: "Childcare and parenting")
-      assert page.has_css?('a', text: "Schools and education")
-    end
-  end
-
-  test "ContentPagesNav variant B when a page belongs to a single topic shows full breadcrumb" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide', SINGLE_TAXON)
-
-    within('.gem-c-contextual-breadcrumbs') do
-      assert page.has_css?('a', text: 'Home')
-      assert page.has_css?('a', text: 'Becoming an apprentice')
-    end
-
-    refute page.has_css?('.taxonomy-navigation__banner')
-  end
-
-  test "ContentPagesNav variant B shows home breadcrumb when a page belongs to a two topics" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide', TWO_TAXONS)
-
-    within('.gem-c-contextual-breadcrumbs') do
-      assert page.has_css?('a', text: 'Home')
-      refute page.has_css?('a', text: 'Becoming an apprentice')
-      refute page.has_css?('a', text: 'Becoming a wizard')
-    end
-  end
-
-  test "ContentPagesNav variant B shows banner when a page belongs to two topics" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide', TWO_TAXONS)
-
-    within('.taxonomy-navigation__banner') do
-      assert page.has_content?('This page is part of Becoming an apprentice and Becoming a wizard')
-      assert page.has_css?('a', text: 'Becoming an apprentice')
-      assert page.has_css?('a', text: 'Becoming a wizard')
-    end
-  end
-
-  test "ContentPagesNav variant B shows breadcrumb when a page belongs to more than two topics" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide', THREE_TAXONS)
-
-    within('.gem-c-contextual-breadcrumbs') do
-      assert page.has_css?('a', text: 'Home')
-      refute page.has_css?('a', text: 'Becoming an apprentice')
-      refute page.has_css?('a', text: 'Becoming a wizard')
-      refute page.has_css?('a', text: 'Becoming the sorceror supreme')
-    end
-  end
-
-  test "ContentPagesNav variant B shows banner when a page belongs to more than two topics" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide', THREE_TAXONS)
-
-    within('.taxonomy-navigation__banner') do
-      assert page.has_content?('This page is part of Becoming an apprentice and 2 others + show all')
-      assert page.has_css?('a', text: 'Becoming an apprentice')
-      assert page.has_css?('a', text: 'Becoming a wizard')
-      assert page.has_css?('a', text: 'Becoming the sorceror supreme')
-    end
-  end
-
-  test "ContentPagesNav variant B shows full breadcrumb when a page belongs to a single topic and a step by step" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide-with-step-navs', SINGLE_TAXON)
-
-    within('.gem-c-contextual-breadcrumbs') do
-      assert page.has_css?('a', text: 'Home')
-      assert page.has_css?('a', text: 'Becoming an apprentice')
-    end
-  end
-
-  test "ContentPagesNav variant B shows banner when a page belongs to a single topic and a step by step" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide-with-step-navs', SINGLE_TAXON)
-
-    within('.taxonomy-navigation__banner') do
-      assert page.has_content?('This page is part of Learn to drive a car: step by step')
-      assert page.has_css?('a', text: 'Learn to drive a car: step by step')
-    end
-  end
-
-  test "ContentPagesNav variant B has tracking on banner links for single topic and a step by step" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide-with-step-navs', SINGLE_TAXON)
-
-    within('.taxonomy-navigation__banner') do
-      assert page.has_css?('a[data-track-category="relatedTaxonomyLinkClicked"]', text: 'Learn to drive a car: step by step')
-      assert page.has_css?('a[data-track-action="1.1 Step by Step"]', text: 'Learn to drive a car: step by step')
-      assert page.has_css?('a[data-track-label="/learn-to-drive-a-car"]')
-    end
-  end
-
-  test "ContentPagesNav variant B shows home breadcrumb when a page belongs to two topics and a step by step" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide-with-step-navs', TWO_TAXONS)
-
-    within('.gem-c-contextual-breadcrumbs') do
-      assert page.has_css?('a', text: 'Home')
-      refute page.has_css?('a', text: 'Becoming an apprentice')
-      refute page.has_css?('a', text: 'Becoming a wizard')
-    end
-  end
-
-  test "ContentPagesNav variant B shows banner when a page belongs to two topics and a step by step" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide-with-step-navs', TWO_TAXONS)
-
-    within('.taxonomy-navigation__banner') do
-      assert page.has_content?('This page is part of Learn to drive a car: step by step and 2 others + show all')
-      assert page.has_content?('Becoming an apprentice and Becoming a wizard')
-      assert page.has_css?('a', text: 'Learn to drive a car')
-      assert page.has_css?('a', text: 'Becoming an apprentice')
-      assert page.has_css?('a', text: 'Becoming a wizard')
-    end
-  end
-
-  test "ContentPagesNav variant B has tracking on banner links for two topics and a step by step" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide-with-step-navs', TWO_TAXONS)
-
-    within('.taxonomy-navigation__banner') do
-      assert page.has_css?('a[data-track-category="relatedTaxonomyLinkClicked"]', text: 'Learn to drive a car: step by step')
-      assert page.has_css?('a[data-track-action="1.1 Step by Step"]', text: 'Learn to drive a car: step by step')
-      assert page.has_css?('a[data-track-label="/learn-to-drive-a-car"]')
-
-      assert page.has_css?('a[data-track-category="relatedTaxonomyLinkClicked"]', text: 'Becoming an apprentice')
-      assert page.has_css?('a[data-track-action="1.1 Taxon"]', text: 'Becoming an apprentice')
-      assert page.has_css?('a[data-track-label="/education/becoming-an-apprentice"]')
-    end
-  end
-
-  test "ContentPagesNav variant B shows home breadcrumb when a page belongs to more than two topics and a step by step" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide-with-step-navs', THREE_TAXONS)
-
-    within('.gem-c-contextual-breadcrumbs') do
-      assert page.has_css?('a', text: 'Home')
-      refute page.has_css?('a', text: 'Becoming an apprentice')
-      refute page.has_css?('a', text: 'Becoming a wizard')
-      refute page.has_css?('a', text: 'Becoming the sorceror supreme')
-    end
-  end
-
-  test "ContentPagesNav variant B shows banner when a page belongs to more than two topics and a step by step" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide-with-step-navs', THREE_TAXONS)
-
-    within('.taxonomy-navigation__banner') do
-      assert page.has_content?('This page is part of Learn to drive a car: step by step and 3 others + show all')
-      assert page.has_content?('Becoming an apprentice, Becoming a wizard, and Becoming the sorceror supreme')
-      assert page.has_css?('a', text: 'Learn to drive a car')
-      assert page.has_css?('a', text: 'Becoming an apprentice')
-      assert page.has_css?('a', text: 'Becoming a wizard')
-      assert page.has_css?('a', text: 'Becoming the sorceror supreme')
-    end
-  end
-
-  test "links out will filter out supergroups not in the configuration" do
-    stub_rummager
-    setup_variant_b
-    taxons = THREE_TAXONS
-    supergroups.each do |supergroup_to_exclude|
-      supergroups_to_include = supergroups.delete_if { |supergroup| supergroup == supergroup_to_exclude }
-      stub_links_out_supergroups(supergroups_to_include)
-      setup_and_visit_content_item_with_taxons('guide', taxons)
-      supergroups_to_include.each do |included_supergroup|
-        send("assert_has_#{included_supergroup}_section")
-      end
-      refute page.has_css?('h3', text: supergroup_to_exclude.humanize)
-    end
-  end
-
-  test "ContentPagesNav variant B shows BETA phase message and survey link" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide', SINGLE_TAXON)
-
-    within('.gem-c-phase-banner') do
-      assert page.has_css?('.phase-tag', text: 'BETA')
-
-      assert page.has_content?('This is a test version of the layout of this page.')
-
-      assert page.has_css?('a[href="https://www.smartsurvey.co.uk/s/navigationsurvey2018?c=/national-curriculum"]',
-                           text: 'Take the survey to help us improve it')
-    end
-  end
-
-  test "ContentPagesNav variant B language is set to en" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('guide', SINGLE_TAXON)
-
-    assert page.has_css?('.taxonomy-navigation[lang="en"]')
-  end
-
-  def stub_empty_services
-    Supergroups::Services.any_instance.stubs(:tagged_content).returns({})
-  end
-
-  def stub_empty_guidance
-    Supergroups::GuidanceAndRegulation.any_instance.stubs(:tagged_content).returns([])
-  end
-
-  def stub_empty_news
-    Supergroups::NewsAndCommunications.any_instance.stubs(:tagged_content).returns([])
-  end
-
-  def stub_empty_policies
-    Supergroups::PolicyAndEngagement.any_instance.stubs(:tagged_content).returns([])
-  end
-
-  def stub_empty_transparency
-    Supergroups::Transparency.any_instance.stubs(:tagged_content).returns([])
-  end
-
-  def setup_variant_a
-    ContentItemsController.any_instance.stubs(:show_new_navigation?).returns(false)
-  end
-
-  def setup_variant_b
-    ContentItemsController.any_instance.stubs(:show_new_navigation?).returns(true)
-  end
-
-  def setup_sidebar_variant_a
-    ContentItemsController.any_instance.stubs(:should_show_sidebar?).returns(true)
-  end
-
-  def setup_sidebar_variant_b
-    ContentItemsController.any_instance.stubs(:should_show_sidebar?).returns(false)
-  end
-
-  def schema_type
-    "guide"
-  end
-end
diff --git a/test/integration/content_pages_related_navigation_test.rb b/test/integration/content_pages_related_navigation_test.rb
deleted file mode 100644
index 4d9b063bf..000000000
--- a/test/integration/content_pages_related_navigation_test.rb
+++ /dev/null
@@ -1,91 +0,0 @@
-require 'test_helper'
-
-class ContentPagesRelatedNavigationTest < ActionDispatch::IntegrationTest
-  include ContentPagesNavTestHelper
-  include GdsApi::TestHelpers::Rummager
-
-  def setup
-    stub_links_out_supergroups_to_include_all
-  end
-
-  test "ContentPagesNav variant A shows related collections in the sidebar" do
-    setup_variant_a
-
-    setup_and_visit_content_item('case_study')
-
-    assert page.has_css?('.gem-c-related-navigation__sub-heading', text: 'Collection')
-  end
-
-  test "ContentPagesNav variant B shows tagged taxons in the taxonomy navigation" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('case_study', SINGLE_TAXON)
-
-    within '.taxonomy-navigation' do
-      assert page.has_css?('.gem-c-heading', text: 'Topics')
-      assert page.has_css?('.taxonomy-navigation__list-item a', text: 'Becoming an apprentice')
-      assert page.has_css?('.taxonomy-navigation__list-item a[data-track-category="relatedTaxonomyLinkClicked"]', text: 'Becoming an apprentice')
-      assert page.has_css?('.taxonomy-navigation__list-item a[data-track-action="1.0 Topics"]', text: 'Becoming an apprentice')
-      assert page.has_css?('.taxonomy-navigation__list-item a[data-track-label="/education/becoming-an-apprentice"]')
-    end
-  end
-
-  test "ContentPagesNav variant B shows related collections in the taxonomy navigation" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('case_study', SINGLE_TAXON)
-
-    within '.taxonomy-navigation' do
-      assert page.has_css?('.gem-c-heading', text: 'Collections')
-      assert page.has_css?('.taxonomy-navigation__list-item a', text: 'Work Programme real life stories')
-      assert page.has_css?('.taxonomy-navigation__list-item a[data-track-category="relatedTaxonomyLinkClicked"]', text: 'Work Programme real life stories')
-      assert page.has_css?('.taxonomy-navigation__list-item a[data-track-action="2.0 Collections"]', text: 'Work Programme real life stories')
-      assert page.has_css?('.taxonomy-navigation__list-item a[data-track-label="/government/collections/work-programme-real-life-stories"]')
-    end
-  end
-
-  test "ContentPagesNav variant B does not show related collections in the sidebar" do
-    setup_variant_b
-
-    setup_and_visit_content_item('case_study')
-
-    refute page.has_css?('.gem-c-related-navigation__sub-heading', text: 'Collection')
-  end
-
-  test "ContentPagesNav variant A does not show collections as publisher metadata" do
-    stub_rummager
-    setup_variant_a
-
-    setup_and_visit_content_item_with_taxons('case_study', SINGLE_TAXON)
-
-    within '.app-c-publisher-metadata' do
-      refute page.has_css?('.app-c-publisher-metadata__term', text: 'Collections')
-    end
-  end
-
-  test "ContentPagesNav variant B shows collections as publisher metadata" do
-    stub_rummager
-    setup_variant_b
-
-    setup_and_visit_content_item_with_taxons('case_study', SINGLE_TAXON)
-
-    within '.app-c-publisher-metadata' do
-      assert page.has_css?('.app-c-publisher-metadata__term', text: 'Collections')
-      assert page.has_css?('.app-c-publisher-metadata__definition a', text: 'Work Programme real life stories')
-    end
-  end
-
-  def setup_variant_a
-    ContentItemsController.any_instance.stubs(:show_new_navigation?).returns(false)
-  end
-
-  def setup_variant_b
-    ContentItemsController.any_instance.stubs(:show_new_navigation?).returns(true)
-  end
-
-  def schema_type
-    "case_study"
-  end
-end
diff --git a/test/integration/links_out_config_test.rb b/test/integration/links_out_config_test.rb
deleted file mode 100644
index 7f6da48e9..000000000
--- a/test/integration/links_out_config_test.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-require 'test_helper'
-
-class LinksOutConfigTest < ActionDispatch::IntegrationTest
-  include ContentPagesNavTestHelper
-  include GdsApi::TestHelpers::Rummager
-  include Capybara::Minitest::Assertions
-
-  Rails.configuration.taxonomy_navigation_links_out.each do |name, group|
-    group.each do |level, rules|
-      test "links out configuration for #{name} #{level}" do
-        stub_rummager
-        setup_variant_b
-
-        content_example = get_example_guide_with_single_taxon
-        content_example[name] = level
-
-        content_store_has_item content_example['base_path'], content_example.to_json
-        visit_with_cachebust content_example['base_path']
-
-        if rules.empty?
-          refute_css '.taxonomy-navigation'
-        else
-          rules.each do |rule|
-            assert_css '.taxonomy-navigation .gem-c-heading', text: rule['supergroup'].humanize
-          end
-        end
-      end
-    end
-  end
-
-  def get_example_guide_with_single_taxon
-    get_content_example_by_schema_and_name('guide', 'guide').tap do |item|
-      item['content_purpose_subgroup'] = 'guidance'
-      item['content_purpose_supergroup'] = 'guidance_and_regulation'
-      item['document_type'] = 'guide'
-      item['links']['taxons'] = SINGLE_TAXON
-    end
-  end
-
-  def setup_variant_b
-    ContentItemsController.any_instance.stubs(:show_new_navigation?).returns(true)
-  end
-end
diff --git a/test/presenters/content_item/links_out_test.rb b/test/presenters/content_item/links_out_test.rb
deleted file mode 100644
index 5c9639c26..000000000
--- a/test/presenters/content_item/links_out_test.rb
+++ /dev/null
@@ -1,251 +0,0 @@
-require 'test_helper'
-
-class LinksOutTest < ActiveSupport::TestCase
-  def setup
-    @links_out = Object.new
-    @links_out.extend(ContentItem::LinksOut)
-    class << @links_out
-      def content_item
-        {
-            "content_purpose_supergroup" => "guidance_and_regulation",
-            "content_purpose_subgroup" => "guidance",
-            "document_type" => "guide"
-        }
-      end
-    end
-  end
-
-  def rules
-    {
-        "content_purpose_supergroup" => {
-            "guidance_and_regulation" => [
-                {
-                    "title" => "link_to_guidance_and_regulation",
-                    "type" => "content_purpose_supergroup",
-                    "supergroup" => "services"
-                }
-            ]
-        },
-        "content_purpose_subgroup" => {
-            "guidance" => [
-                {
-                    "title" => "link_to_guidance",
-                    "type" => "content_purpose_subgroup",
-                    "supergroup" => "transparency"
-                }
-            ]
-        },
-        "document_type" => {
-            "guide" => [
-                {
-                    "title" => "link_to_guide",
-                    "type" => "document_type",
-                    "supergroup" => "guidance_and_regulation"
-                }
-            ]
-        }
-    }
-  end
-
-  def other_rules
-    {
-        "content_purpose_supergroup" => {
-            "news_and_communications" => [
-                {
-                    "title" => "link_to_news_and_communications",
-                    "type" => "content_purpose_supergroup",
-                    "supergroup" => "news_and_communications"
-                }
-            ]
-        },
-        "content_purpose_subgroup" => {
-            "news" => [
-                {
-                    "title" => "link_to_news",
-                    "type" => "content_purpose_subgroup",
-                    "supergroup" => "news_and_communications"
-                }
-            ]
-        },
-        "document_type" => {
-            "article" => [
-                {
-                    "title" => "link_to_article",
-                    "type" => "document_type",
-                    "supergroup" => "news_and_communications"
-                }
-            ]
-        }
-    }
-  end
-
-  def stub_load_rules(rules)
-    Rails.configuration.stubs(:taxonomy_navigation_links_out).returns(rules)
-  end
-
-  def assert_has_supergroup_rule(rule_set)
-    assert rule_set["content_purpose_supergroup"].has_key?("guidance_and_regulation")
-  end
-
-  def assert_has_subgroup_rule(rule_set)
-    assert rule_set["content_purpose_subgroup"].has_key?("guidance")
-  end
-
-  def assert_has_document_type_rule(rule_set)
-    assert rule_set["document_type"].has_key?("guide")
-  end
-
-  def assert_returns_guide
-    assert_equal [{ "title" => "link_to_guide", "type" => "document_type", "supergroup" => "guidance_and_regulation" }], @links_out.links_out
-  end
-
-  def assert_returns_guidance
-    assert_equal %w(guidance), @links_out.links_out_subgroups("guidance_and_regulation")
-  end
-
-  def assert_returns_guidance_and_regulation
-    assert_equal %w(guidance_and_regulation), @links_out.links_out_supergroups
-  end
-
-  def news_and_communications_rule
-    { "title" => "link_to_news_and_communications", "type" => "content_purpose_supergroup", "supergroup" => "news_and_communications" }
-  end
-
-  def news_rule
-    { "title" => "link_to_news", "type" => "content_purpose_subgroup", "supergroup" => "news_and_communications" }
-  end
-
-  test 'links_out_supergroups returns empty array if the content_item is blank' do
-    class << @links_out
-      def content_item
-        {}
-      end
-    end
-    assert_equal [], @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns empty array if the link rules is blank' do
-    stub_load_rules({})
-    assert_equal [], @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns empty array if the link does not contain any rules for this content_item' do
-    stub_load_rules(other_rules)
-    assert_equal [], @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns document type rule if it is defined within rule set' do
-    assert_has_supergroup_rule(rules)
-    assert_has_subgroup_rule(rules)
-    assert_has_document_type_rule(rules)
-    stub_load_rules(rules)
-    assert_equal %w(guidance_and_regulation), @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns subgroup rule if it is defined within rule set and document_type is not' do
-    amended_rules = rules
-    amended_rules["document_type"] = nil
-    assert_has_supergroup_rule(amended_rules)
-    assert_has_subgroup_rule(amended_rules)
-    stub_load_rules(amended_rules)
-    assert_equal %w(transparency), @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns supergroup rule if it is defined within rule set, document_type and supergroup are not' do
-    amended_rules = rules
-    amended_rules["content_purpose_subgroup"] = nil
-    amended_rules["document_type"] = nil
-    assert_has_supergroup_rule(amended_rules)
-    stub_load_rules(amended_rules)
-    assert_equal %w(services), @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns subgroup rule if it is defined within rule set and document_type does not match' do
-    amended_rules = rules
-    amended_rules["document_type"] = other_rules["document_type"]
-    assert_has_supergroup_rule(amended_rules)
-    assert_has_subgroup_rule(amended_rules)
-    stub_load_rules(amended_rules)
-    assert_equal %w(transparency), @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns supergroup rule if it is defined within rule set, document_type and supergroup do not match' do
-    amended_rules = rules
-    amended_rules["content_purpose_subgroup"] = other_rules["content_purpose_subgroup"]
-    amended_rules["document_type"] = other_rules["document_type"]
-    assert_has_supergroup_rule(amended_rules)
-    stub_load_rules(amended_rules)
-    assert_equal %w(services), @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns nothing if the document type is an empty array' do
-    amended_rules = rules
-    amended_rules["document_type"] = { "guide" => [] }
-    assert_has_supergroup_rule(amended_rules)
-    assert_has_subgroup_rule(amended_rules)
-    stub_load_rules(amended_rules)
-    assert_equal [], @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns correct supergroup names for content_purpose_supergroup rules' do
-    amended_rules = rules
-    amended_rules["content_purpose_supergroup"]["guidance_and_regulation"] << news_and_communications_rule
-    amended_rules["content_purpose_subgroup"] = nil
-    amended_rules["document_type"] = nil
-
-    stub_load_rules(amended_rules)
-    assert_equal %w(services news_and_communications), @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns correct supergroup names for content_purpose_subgroup rules' do
-    amended_rules = rules
-    amended_rules["content_purpose_subgroup"]["guidance"] << news_and_communications_rule
-    amended_rules["document_type"] = nil
-    stub_load_rules(amended_rules)
-    assert_equal %w(transparency news_and_communications), @links_out.links_out_supergroups
-  end
-
-  test 'links_out_supergroups returns correct supergroup names for document_type rules' do
-    amended_rules = rules
-    amended_rules["document_type"]["guide"] << news_and_communications_rule
-
-    stub_load_rules(amended_rules)
-    assert_equal %w(guidance_and_regulation news_and_communications), @links_out.links_out_supergroups
-  end
-
-  test 'links_out_subgroups returns correct subgroup names for content_purpose_supergroup rules' do
-    amended_rules = rules
-    amended_rules["content_purpose_supergroup"]["guidance_and_regulation"] << news_rule
-    amended_rules["content_purpose_subgroup"] = nil
-    amended_rules["document_type"] = nil
-
-    stub_load_rules(amended_rules)
-    assert_equal %w(link_to_news), @links_out.links_out_subgroups("news_and_communications")
-  end
-
-  test 'links_out_subgroups returns no subgroup names if content_purpose_subgroup is not a subgroup of the supergroup' do
-    amended_rules = rules
-    amended_rules["content_purpose_subgroup"]["guidance"] << news_rule
-    amended_rules["document_type"] = nil
-
-    stub_load_rules(amended_rules)
-    assert_equal [], @links_out.links_out_subgroups("guidance_and_regulation")
-  end
-
-  test 'links_out_subgroups returns correct subgroup names for content_purpose_subgroup rules' do
-    amended_rules = rules
-    amended_rules["content_purpose_subgroup"]["guidance"] << news_rule
-    amended_rules["document_type"] = nil
-
-    stub_load_rules(amended_rules)
-    assert_equal %w(link_to_news), @links_out.links_out_subgroups("news_and_communications")
-  end
-
-  test 'links_out_subgroups returns correct subgroup names for document_type rules' do
-    amended_rules = rules
-    amended_rules["document_type"]["guide"] << news_rule
-
-    stub_load_rules(amended_rules)
-    assert_equal %w(link_to_news), @links_out.links_out_subgroups("news_and_communications")
-  end
-end
diff --git a/test/presenters/supergroups/guidance_and_regulation_test.rb b/test/presenters/supergroups/guidance_and_regulation_test.rb
deleted file mode 100644
index c2b6a2455..000000000
--- a/test/presenters/supergroups/guidance_and_regulation_test.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-require 'test_helper'
-
-class GuidanceAndRegulationTest < ActiveSupport::TestCase
-  include RummagerHelpers
-
-  test "tagged_content returns empty array if taxon ids is a blank array" do
-    guidance_and_regulation = Supergroups::GuidanceAndRegulation.new("/no-particular-page", [], {})
-    assert_equal [], guidance_and_regulation.tagged_content
-  end
-
-  test "tagged_content returns empty array if there are taxon ids but no results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-
-    stub_most_popular_content("/no-particular-page", taxon_content_ids, 0, "guidance_and_regulation")
-    guidance_and_regulation = Supergroups::GuidanceAndRegulation.new("/no-particular-page", [], {})
-    assert_equal [], guidance_and_regulation.tagged_content
-  end
-
-  test "tagged_content returns array with 2 items if there are 2 results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-
-    stub_most_popular_content("/no-particular-page", taxon_content_ids, 2, "guidance_and_regulation")
-    guidance_and_regulation = Supergroups::GuidanceAndRegulation.new("/no-particular-page", taxon_content_ids, {})
-    assert_equal 2, guidance_and_regulation.tagged_content.count
-  end
-end
diff --git a/test/presenters/supergroups/news_and_communications_test.rb b/test/presenters/supergroups/news_and_communications_test.rb
deleted file mode 100644
index 7193af1c2..000000000
--- a/test/presenters/supergroups/news_and_communications_test.rb
+++ /dev/null
@@ -1,47 +0,0 @@
-require 'test_helper'
-
-class NewsAndCommunicationsTest < ActiveSupport::TestCase
-  include RummagerHelpers
-
-  test "finds no results if taxon ids is a blank array" do
-    news_and_comms = Supergroups::NewsAndCommunications.new("/a-random-path", [], {})
-    assert_equal [], news_and_comms.tagged_content
-  end
-
-  test "finds no results if there are taxon ids but no results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-
-    stub_most_recent_content("/a-random-path", taxon_content_ids, 0, "news_and_communications")
-    news_and_comms = Supergroups::NewsAndCommunications.new("/a-random-path", taxon_content_ids, {})
-    assert_equal [], news_and_comms.tagged_content
-  end
-
-  test "Presents 2 items with 2 results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-    stub_most_recent_content("/a-random-path", taxon_content_ids, 2, "news_and_communications")
-
-    news_and_comms = Supergroups::NewsAndCommunications.new("/a-random-path", taxon_content_ids, {})
-
-    assert_equal 2, news_and_comms.tagged_content.count
-  end
-
-  test "promoted content includes placeholder images if the content doesn't have one" do
-    placeholder_image = "http://static.test.gov.uk/government/assets/placeholder.jpg"
-    stub_rummager_document_without_image_url
-
-    news_and_comms = Supergroups::NewsAndCommunications.new("/a-random-path", ['any-old-taxon'], {})
-    news_item = news_and_comms.tagged_content.first
-
-    assert_equal news_item[:image][:url], placeholder_image
-  end
-
-  test "promoted content includes the content image URL if the content has one" do
-    taxon_content_ids = ['any-old-taxon']
-    stub_most_recent_content("/a-random-path", taxon_content_ids, 1, "news_and_communications")
-
-    news_and_comms = Supergroups::NewsAndCommunications.new("/a-random-path", taxon_content_ids, {})
-    news_item = news_and_comms.tagged_content.first
-
-    assert_equal news_item[:image][:url], "https://assets.testing.gov.uk/awesome-pic.jpg"
-  end
-end
diff --git a/test/presenters/supergroups/policy_and_engagement_test.rb b/test/presenters/supergroups/policy_and_engagement_test.rb
deleted file mode 100644
index 438ac74c6..000000000
--- a/test/presenters/supergroups/policy_and_engagement_test.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-require 'test_helper'
-
-class PolicyAndEngagementTest < ActiveSupport::TestCase
-  include RummagerHelpers
-
-  test "tagged_content returns empty array if taxon ids is a blank array" do
-    policy_and_engagement = Supergroups::PolicyAndEngagement.new("/a-random-path", [], {})
-    assert_equal [], policy_and_engagement.tagged_content
-  end
-
-  test "tagged_content returns empty array if there are taxon ids but no results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-
-    stub_most_recent_content("/a-random-path", taxon_content_ids, 0, "policy_and_engagement")
-    policy_and_engagement = Supergroups::PolicyAndEngagement.new("/a-random-path", [], {})
-    assert_equal [], policy_and_engagement.tagged_content
-  end
-
-  test "tagged_content returns array with 2 items if there are 2 results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-
-    stub_most_recent_content("/a-random-path", taxon_content_ids, 2, "policy_and_engagement")
-    policy_and_engagement = Supergroups::PolicyAndEngagement.new("/a-random-path", taxon_content_ids, {})
-    assert_equal 2, policy_and_engagement.tagged_content.count
-  end
-end
diff --git a/test/presenters/supergroups/services_test.rb b/test/presenters/supergroups/services_test.rb
deleted file mode 100644
index ffe48b048..000000000
--- a/test/presenters/supergroups/services_test.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-require 'test_helper'
-
-class ServicesTest < ActiveSupport::TestCase
-  include RummagerHelpers
-
-  test "services returns no results if taxon ids is a blank array" do
-    services = Supergroups::Services.new("/a-random-path", [], {})
-    assert_equal [], services.tagged_content
-  end
-
-  test "services returns no results if there are taxon ids but no results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-
-    stub_most_popular_content("/a-random-path", taxon_content_ids, 0, "services")
-    services = Supergroups::Services.new("/a-random-path", taxon_content_ids, {})
-    assert_equal [], services.tagged_content
-  end
-
-  test "tagged_content returns hash with with 2 featured items and 0 normal items with 2 results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-
-    stub_most_popular_content("/a-random-path", taxon_content_ids, 2, "services")
-
-    services = Supergroups::Services.new("/a-random-path", taxon_content_ids, {})
-
-    assert_equal 2, services.tagged_content.count
-  end
-
-  test "tagged_content returns hash with with 3 featured items and 2 normal items if there are enough results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-
-    stub_most_popular_content("/a-random-path", taxon_content_ids, 3, "services")
-
-    services = Supergroups::Services.new("/a-random-path", taxon_content_ids, {})
-
-    assert_equal 3, services.tagged_content.count
-  end
-end
diff --git a/test/presenters/supergroups/transparency_test.rb b/test/presenters/supergroups/transparency_test.rb
deleted file mode 100644
index e8a1c668d..000000000
--- a/test/presenters/supergroups/transparency_test.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-require 'test_helper'
-
-class TransparencyTest < ActiveSupport::TestCase
-  include RummagerHelpers
-
-  test "tagged_content returns empty array if taxon ids is a blank array" do
-    policy_and_engagement = Supergroups::Transparency.new("/a-random-path", [], {})
-    assert_equal [], policy_and_engagement.tagged_content
-  end
-
-  test "tagged_content returns empty array if there are taxon ids but no results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-
-    stub_most_recent_content("/a-random-path", taxon_content_ids, 0, "transparency")
-    policy_and_engagement = Supergroups::Transparency.new("/a-random-path", [], {})
-    assert_equal [], policy_and_engagement.tagged_content
-  end
-
-  test "tagged_content returns array with 2 items if there are 2 results" do
-    taxon_content_ids = ['any-old-taxon', 'some-other-taxon-id']
-
-    stub_most_recent_content("/a-random-path", taxon_content_ids, 2, "transparency")
-    policy_and_engagement = Supergroups::Transparency.new("/a-random-path", taxon_content_ids, {})
-    assert_equal 2, policy_and_engagement.tagged_content.count
-  end
-end
diff --git a/test/services/most_popular_content_test.rb b/test/services/most_popular_content_test.rb
deleted file mode 100644
index 1709b6a7f..000000000
--- a/test/services/most_popular_content_test.rb
+++ /dev/null
@@ -1,127 +0,0 @@
-require 'test_helper'
-
-class MostPopularContentTest < ActiveSupport::TestCase
-  include RummagerFields
-  include GdsApi::TestHelpers::Rummager
-
-  def most_popular_content
-    @most_popular_content ||= MostPopularContent.new(
-      content_ids: taxon_content_ids,
-      current_path: "/how-to-ride-a-bike",
-      filters: { filter_content_purpose_supergroup: 'guidance_and_regulation', filter_content_purpose_subgroup: ['guidance'] }
-    )
-  end
-
-  def taxon_content_ids
-    ['something-id-like', 'some-other-id']
-  end
-
-  test 'returns the results from search' do
-    search_results = {
-      body: {
-        'results' => [
-          { 'title' => 'Doc 1' },
-          { 'title' => 'A Doc 2' },
-        ]
-      }.to_json
-    }
-
-    stub_any_rummager_search.to_return(search_results)
-
-    results = most_popular_content.fetch
-    assert_equal(results.count, 2)
-  end
-
-  test 'catches api errors' do
-    Services.rummager.stubs(:search).raises(GdsApi::HTTPErrorResponse.new(500))
-    results = most_popular_content.fetch
-
-    assert_equal(results, [])
-  end
-
-  test 'starts from the first page' do
-    assert_includes_params(start: 0) do
-      most_popular_content.fetch
-    end
-  end
-
-  test 'requests three results by default' do
-    assert_includes_params(count: 3) do
-      most_popular_content.fetch
-    end
-  end
-
-  test 'requests a limited number of fields' do
-    fields = RummagerFields::TAXON_SEARCH_FIELDS
-
-    assert_includes_params(fields: fields) do
-      most_popular_content.fetch
-    end
-  end
-
-  test 'orders the results by popularity in descending order' do
-    assert_includes_params(order: '-popularity') do
-      most_popular_content.fetch
-    end
-  end
-
-  test 'scopes the results to the current taxon' do
-    assert_includes_params(filter_part_of_taxonomy_tree: taxon_content_ids) do
-      most_popular_content.fetch
-    end
-  end
-
-  test 'filters content by the requested filter_content_purpose_supergroup' do
-    assert_includes_params(filter_content_purpose_supergroup: 'guidance_and_regulation') do
-      most_popular_content.fetch
-    end
-  end
-
-  test 'filters content by the requested filter_content_purpose_subgroups' do
-    assert_includes_params(filter_content_purpose_subgroup: ['guidance']) do
-      most_popular_content.fetch
-    end
-  end
-
-  test 'rejects the originating page from the results' do
-    assert_includes_params(reject_link: '/how-to-ride-a-bike') do
-      most_popular_content.fetch
-    end
-  end
-
-  def assert_includes_params(expected_params)
-    search_results = {
-      'results' => [
-        {
-          'title' => 'Doc 1'
-        },
-        {
-          'title' => 'Doc 2'
-        }
-      ]
-    }
-
-    Services.
-      rummager.
-      stubs(:search).
-      with { |params| assert_includes_subhash(expected_params, params) }.
-      returns(search_results)
-
-    results = yield
-
-    assert_equal(results.count, 2)
-
-    assert_equal(results.first['title'], 'Doc 1')
-    assert_equal(results.last['title'], 'Doc 2')
-  end
-
-  def assert_includes_subhash(expected_sub_hash, hash)
-    expected_sub_hash.each do |key, value|
-      assert_equal(
-        value,
-        hash[key],
-        "Expected #{hash} to include #{key} => #{value}"
-      )
-    end
-  end
-end
diff --git a/test/services/most_recent_content_test.rb b/test/services/most_recent_content_test.rb
deleted file mode 100644
index 2a36c1b6e..000000000
--- a/test/services/most_recent_content_test.rb
+++ /dev/null
@@ -1,56 +0,0 @@
-require "test_helper"
-require './test/support/custom_assertions.rb'
-
-class MostRecentContentTest < ActiveSupport::TestCase
-  include RummagerHelpers
-
-  def most_recent_content
-    @most_recent_content ||= MostRecentContent.new(
-      content_ids: taxon_content_ids,
-      current_path: "/some-path",
-      filters: { filter_content_purpose_supergroup: 'guidance_and_regulation', filter_content_purpose_subgroup: ['guidance'] },
-      number_of_links: 6
-    )
-  end
-
-  test 'catches api errors' do
-    Services.rummager.stubs(:search).raises(GdsApi::HTTPErrorResponse.new(500))
-    results = most_recent_content.fetch
-
-    assert_equal(results, [])
-  end
-
-  def taxon_content_ids
-    ['c3c860fc-a271-4114-b512-1c48c0f82564', 'ff0e8e1f-4dea-42ff-b1d5-f1ae37807af2']
-  end
-
-  test "orders the results by popularity in descending order" do
-    assert_includes_params(order: '-public_timestamp') do
-      most_recent_content.fetch
-    end
-  end
-
-  test "includes taxon ids" do
-    assert_includes_params(filter_part_of_taxonomy_tree: taxon_content_ids) do
-      most_recent_content.fetch
-    end
-  end
-
-  test "returns number of links" do
-    assert_includes_params(count: 6) do
-      most_recent_content.fetch
-    end
-  end
-
-  test "filters content by the requested filter_content_purpose_subgroups" do
-    assert_includes_params(filter_content_purpose_subgroup: ["guidance"]) do
-      most_recent_content.fetch
-    end
-  end
-
-  test "excludes current page" do
-    assert_includes_params(reject_link: "/some-path") do
-      most_recent_content.fetch
-    end
-  end
-end
diff --git a/test/support/content_pages_nav_test_helper.rb b/test/support/content_pages_nav_test_helper.rb
deleted file mode 100644
index ebbee4af3..000000000
--- a/test/support/content_pages_nav_test_helper.rb
+++ /dev/null
@@ -1,177 +0,0 @@
-module ContentPagesNavTestHelper
-  def stub_rummager
-    results = []
-
-    4.times do
-      results.push(
-        "content_store_document_type": "form",
-        "link": "/government/publications/meals",
-        "title": "Free school meals form",
-        "public_timestamp": "2018-01-02T03:04:05Z",
-        "image_url": "https://assets.gov.uk/pertinent-image.gif",
-      )
-    end
-
-    stub_any_rummager_search.to_return(
-      body: {
-        "results": results,
-        "total": 1,
-        "start": 0,
-        "aggregates": {},
-        "suggested_queries": []
-      }.to_json
-    )
-
-    content_store_has_item('/government/publications/meals')
-  end
-
-  def stub_empty_rummager
-    results = []
-
-    stub_any_rummager_search.to_return(
-      body: {
-        "results": results,
-        "total": 1,
-        "start": 0,
-        "aggregates": {},
-        "suggested_queries": []
-      }.to_json
-    )
-  end
-
-  def setup_and_visit_content_from_publishing_app(publishing_app: nil)
-    content_item = GovukSchemas::RandomExample.for_schema(frontend_schema: schema_type) do |payload|
-      payload.merge('publishing_app' => publishing_app) unless publishing_app.nil?
-      payload
-    end
-
-    content_id = content_item["content_id"]
-    path = content_item["base_path"]
-
-    stub_request(:get, %r{#{path}})
-        .to_return(status: 200, body: content_item.to_json, headers: {})
-    visit path
-
-    assert_selector %{meta[name="govuk:content-id"][content="#{content_id}"]}, visible: false
-  end
-
-  SINGLE_TAXON = [
-    {
-      "base_path" => "/education/becoming-an-apprentice",
-      "content_id" => "ff0e8e1f-4dea-42ff-b1d5-f1ae37807af2",
-      "description" => "Pay and conditions, how to apply, become a higher or degree apprentice. Apprenticeship levels, training, find an apprenticeship.",
-      "schema_name" => "taxon",
-      "title" => "Becoming an apprentice",
-      "phase" => "live",
-    }
-  ].freeze
-
-  TWO_TAXONS = [
-    {
-      "base_path" => "/education/becoming-an-apprentice",
-      "content_id" => "ff0e8e1f-4dea-42ff-b1d5-f1ae37807af2",
-      "description" => "Pay and conditions, how to apply, become a higher or degree apprentice. Apprenticeship levels, training, find an apprenticeship.",
-      "schema_name" => "taxon",
-      "title" => "Becoming an apprentice",
-      "phase" => "live",
-    },
-    {
-      "base_path" => "/education/becoming-a-wizard",
-      "content_id" => "ff0e8e1f-4dea-42ff-b1d5-f1ae37807af3",
-      "description" => "Pay and conditions, how to apply, become a higher or degree wizard. Wizard levels, training, find a wizard placement.",
-      "schema_name" => "taxon",
-      "title" => "Becoming a wizard",
-      "phase" => "live",
-    }
-  ].freeze
-
-  THREE_TAXONS = [
-    {
-      "base_path" => "/education/becoming-an-apprentice",
-      "content_id" => "ff0e8e1f-4dea-42ff-b1d5-f1ae37807af2",
-      "description" => "Pay and conditions, how to apply, become a higher or degree apprentice. Apprenticeship levels, training, find an apprenticeship.",
-      "schema_name" => "taxon",
-      "title" => "Becoming an apprentice",
-      "phase" => "live",
-    },
-    {
-      "base_path" => "/education/becoming-a-wizard",
-      "content_id" => "ff0e8e1f-4dea-42ff-b1d5-f1ae37807af3",
-      "description" => "Pay and conditions, how to apply, become a higher or degree wizard. Wizard levels, training, find a wizard placement.",
-      "schema_name" => "taxon",
-      "title" => "Becoming a wizard",
-      "phase" => "live",
-    },
-    {
-      "base_path" => "/education/becoming-the-sorceror-supreme",
-      "content_id" => "ff0e8e1f-4dea-42ff-b1d5-f1ae37807af4",
-      "description" => "Pay and conditions, how to apply. The astral plane, the mirror dimension, infinity stones.",
-      "schema_name" => "taxon",
-      "title" => "Becoming the sorceror supreme",
-      "phase" => "live",
-    }
-  ].freeze
-
-  SINGLE_NON_LIVE_TAXON = [
-    {
-      "base_path" => "/education/becoming-a-ghostbuster",
-      "content_id" => "ff0e8e1f-4dea-42ff-b1d5-f1ae37807af5",
-      "description" => "Pay and conditions, how to apply, use of a proton accelerator.",
-      "schema_name" => "taxon",
-      "title" => "Becoming a ghostbuster",
-      "phase" => "ethereal",
-    }
-  ].freeze
-
-  def stub_links_out_supergroups(supergroups_to_include)
-    ContentItemPresenter.any_instance.stubs(:links_out_supergroups).returns(supergroups_to_include)
-  end
-
-  def stub_links_out_supergroups_to_include_all
-    stub_links_out_supergroups(supergroups)
-  end
-
-  def supergroups
-    %w(services guidance_and_regulation news_and_communications policy_and_engagement transparency)
-  end
-
-  def assert_has_services_section
-    assert page.has_css?('h3', text: "Services")
-    assert page.has_css?('.gem-c-highlight-boxes__title', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-highlight-boxes__title[data-track-category="servicesHighlightBoxClicked"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-highlight-boxes__title[data-track-action="1"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-highlight-boxes__title[data-track-label="/government/publications/meals"]', text: 'Free school meals form')
-  end
-
-  def assert_has_policy_and_engagement_section
-    assert page.has_css?('h3', text: "Policy and engagement")
-
-    assert page.has_css?('.gem-c-document-list__item a[data-track-category="policyAndEngagementDocumentListClicked"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-document-list__item a[data-track-action="1"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-document-list__item a[data-track-label="/government/publications/meals"]', text: 'Free school meals form')
-  end
-
-  def assert_has_guidance_and_regulation_section
-    assert page.has_css?('h3', text: "Guidance and regulation")
-
-    assert page.has_css?('.gem-c-document-list__item a[data-track-category="guidanceAndRegulationDocumentListClicked"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-document-list__item a[data-track-action="1"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-document-list__item a[data-track-label="/government/publications/meals"]', text: 'Free school meals form')
-  end
-
-  def assert_has_transparency_section
-    assert page.has_css?('h3', text: "Transparency")
-
-    assert page.has_css?('.gem-c-document-list__item a[data-track-category="transparencyDocumentListClicked"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-document-list__item a[data-track-action="1"]', text: 'Free school meals form')
-    assert page.has_css?('.gem-c-document-list__item a[data-track-label="/government/publications/meals"]', text: 'Free school meals form')
-  end
-
-  def assert_has_news_and_communications_section
-    assert page.has_css?('h3', text: "News and communications")
-    assert page.has_css?('ul li .gem-c-image-card__title', text: 'Free school meals form')
-    assert page.has_css?('ul li .gem-c-image-card__title-link[data-track-category="newsAndCommunicationsImageCardClicked"]', text: 'Free school meals form')
-    assert page.has_css?('ul li .gem-c-image-card__title-link[data-track-action="1"]', text: 'Free school meals form')
-    assert page.has_css?('ul li .gem-c-image-card__title-link[data-track-label="/government/publications/meals"]', text: 'Free school meals form')
-  end
-end
diff --git a/test/support/rummager_helpers.rb b/test/support/rummager_helpers.rb
deleted file mode 100644
index 773057d7a..000000000
--- a/test/support/rummager_helpers.rb
+++ /dev/null
@@ -1,96 +0,0 @@
-module RummagerHelpers
-  def stub_most_recent_content(reject_link, taxon_content_ids, content_link_count, supergroup)
-    results = generate_search_results(content_link_count, supergroup)
-    stub_for_taxon_and_supergroup(reject_link, taxon_content_ids, results, supergroup, "-public_timestamp")
-  end
-
-  def stub_most_popular_content(reject_link, taxon_content_ids, content_link_count, supergroup)
-    results = generate_search_results(content_link_count, supergroup)
-    stub_for_taxon_and_supergroup(reject_link, taxon_content_ids, results, supergroup, "-popularity")
-  end
-
-  def stub_rummager_document_without_image_url
-    result = rummager_document_for_supergroup_section("doc-with-no-url", "news_story", false)
-    Services.rummager.stubs(:search)
-      .returns(
-        "results" => [result],
-        "start" => 0,
-        "total" => 1
-      )
-  end
-
-  def stub_for_taxon_and_supergroup(reject_link, content_ids, results, filter_content_purpose_supergroup, order_by)
-    fields = %w(
-      content_store_document_type
-      description
-      image_url
-      link
-      organisations
-      public_timestamp
-      title
-    )
-
-    params = {
-        start: 0,
-        count: 3,
-        fields: fields,
-        filter_part_of_taxonomy_tree: content_ids,
-        order: order_by,
-        filter_content_purpose_supergroup: filter_content_purpose_supergroup,
-        reject_link: reject_link,
-    }
-
-    Services.rummager.stubs(:search)
-        .with(params)
-        .returns(
-          "results" => results,
-          "start" => 0,
-          "total" => results.size
-        )
-  end
-
-  def generate_search_results(count, supergroup)
-    count.times.map do |number|
-      rummager_document_for_supergroup_section("content-item-#{number}", supergroup)
-    end
-  end
-
-  def rummager_document_for_supergroup_section(slug, content_store_document_type, with_image_url = true)
-    document = {
-      'title'                       => slug.titleize.humanize.to_s,
-      'link'                        => "/#{slug}",
-      'description'                 => 'A description about tagged content',
-      'content_store_document_type' => content_store_document_type,
-      'public_timestamp'            => 1.hour.ago.iso8601,
-      'organisations'               => [{ 'title' => "#{content_store_document_type.humanize} Organisation Title" }]
-    }
-    document['image_url'] = 'https://assets.testing.gov.uk/awesome-pic.jpg' if with_image_url
-    document
-  end
-
-  def assert_includes_params(expected_params)
-    search_results = {
-        'results' => [
-          {
-              'title' => 'Doc 1'
-          },
-          {
-              'title' => 'Doc 2'
-          }
-        ]
-    }
-
-    Services.
-        rummager.
-        stubs(:search).
-        with { |params| assert_includes_subhash(expected_params, params) }.
-        returns(search_results)
-
-    results = yield
-
-    assert_equal(results.count, 2)
-
-    assert_equal(results.first["title"], 'Doc 1')
-    assert_equal(results.last["title"], 'Doc 2')
-  end
-end