diff --git a/Gemfile b/Gemfile
index afb7e6c60..072b63546 100644
--- a/Gemfile
+++ b/Gemfile
@@ -35,6 +35,7 @@ end
 group :test do
   gem "capybara"
   gem "faker"
+  gem "i18n-coverage"
   gem "minitest-reporters"
   gem "mocha"
   gem "simplecov"
diff --git a/Gemfile.lock b/Gemfile.lock
index 0b056995a..1226f8575 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,6 +145,7 @@ GEM
       domain_name (~> 0.5)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
+    i18n-coverage (0.2.0)
     image_size (2.1.0)
     io-like (0.3.1)
     jasmine (3.6.0)
@@ -382,6 +383,7 @@ DEPENDENCIES
   govuk_schemas
   govuk_test
   htmlentities
+  i18n-coverage
   jasmine
   jasmine_selenium_runner
   minitest-reporters
diff --git a/app/views/components/_published-dates.html.erb b/app/views/components/_published-dates.html.erb
index 63257d8e7..f18724c15 100644
--- a/app/views/components/_published-dates.html.erb
+++ b/app/views/components/_published-dates.html.erb
@@ -9,10 +9,10 @@
 <% if published || last_updated %>
 <div class="app-c-published-dates <%= history_class %>" <% if history.any? %>id="history" data-module="gem-toggle"<% end %> lang="en">
   <% if published %>
-    Published <%= published %>
+    <%= t('components.published_dates.published', date: published) %>
   <% end %>
   <% if last_updated %>
-    <% if published %><br /><% end %>Last updated <%= last_updated %>
+    <% if published %><br /><% end %><%= t('components.published_dates.last_updated', date: last_updated) %>
     <% if link_to_history && history.empty? %>
       &mdash; <a href="#history" class="app-c-published-dates__history-link govuk-link"><%= t('components.published_dates.see_all_updates', locale: :en) %></a>
     <% elsif history.any? %>
diff --git a/config/locales/ar.yml b/config/locales/ar.yml
index 2f36e1cdc..e778799cf 100644
--- a/config/locales/ar.yml
+++ b/config/locales/ar.yml
@@ -6,18 +6,8 @@ ar:
   components:
     share_links:
       share_this_page: "شارك هذه الصفحة"
-    related_navigation:
-      collections: "مجموعات"
-      external_links: "روابط خارجية"
-      policies: "سياسيات"
-      related_content: "محتوى ذو صلة"
-      topical_events: "أحداث ذات صلة بالموضوع"
-      topics: "المواضيع"
-      world_locations: "العالم"
     published_dates:
       published: "تاريخ النشر %{date}"
-    publisher_metadata:
-      from: "من"
   content_item:
     schema_name:
       announcement:
@@ -345,9 +335,6 @@ ar:
       published: "نشر"
       updated: "تحديث"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       zero:
diff --git a/config/locales/az.yml b/config/locales/az.yml
index 91afbbad8..159127d74 100644
--- a/config/locales/az.yml
+++ b/config/locales/az.yml
@@ -100,9 +100,6 @@ az:
       published: dərc olunub
       updated: yenilənib
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       other:
diff --git a/config/locales/be.yml b/config/locales/be.yml
index 1da55264d..21da8a52e 100644
--- a/config/locales/be.yml
+++ b/config/locales/be.yml
@@ -237,9 +237,6 @@ be:
       published: "Апублікаваны"
       updated: "Адноўлена"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "Дакумент"
diff --git a/config/locales/bg.yml b/config/locales/bg.yml
index 8ec0c7767..cbc3fca65 100644
--- a/config/locales/bg.yml
+++ b/config/locales/bg.yml
@@ -145,9 +145,6 @@ bg:
       published: "Публикувано"
       updated: "обновено"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "Документ"
diff --git a/config/locales/bn.yml b/config/locales/bn.yml
index 5885119b2..a186a5116 100644
--- a/config/locales/bn.yml
+++ b/config/locales/bn.yml
@@ -146,9 +146,6 @@ bn:
       published:
       updated:
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one:
diff --git a/config/locales/cs.yml b/config/locales/cs.yml
index 74a33b7f0..53bd2f143 100644
--- a/config/locales/cs.yml
+++ b/config/locales/cs.yml
@@ -191,9 +191,6 @@ cs:
       published: Publikováno
       updated: Aktualizováno
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Dokument
diff --git a/config/locales/cy.yml b/config/locales/cy.yml
index 3c3e0e337..57572ae98 100644
--- a/config/locales/cy.yml
+++ b/config/locales/cy.yml
@@ -334,10 +334,6 @@ cy:
       published: Cyhoeddwyd
       updated: Diweddarwyd
     contents: Cynnwys
-  detailed_guide:
-    related_mainstream_content: Gormod o fanylion?<br/>Edrychwch ar y canllawiau cyflym
-      hyn
-    related_guides: Arweiniad manwl perthnasol
   publication:
     details: Manylion
     documents:
diff --git a/config/locales/da.yml b/config/locales/da.yml
index 92dfbb4d0..dcd255e8a 100644
--- a/config/locales/da.yml
+++ b/config/locales/da.yml
@@ -246,21 +246,8 @@ da:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -270,9 +257,6 @@ da:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   multi_page:
     next_page:
     previous_page:
@@ -282,9 +266,6 @@ da:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/de.yml b/config/locales/de.yml
index a3c2f445d..523c2c1b7 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -145,9 +145,6 @@ de:
       published: Veröffentlicht
       updated: Aktualisiert
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Dokument
diff --git a/config/locales/dr.yml b/config/locales/dr.yml
index 38ff92770..378642ca8 100644
--- a/config/locales/dr.yml
+++ b/config/locales/dr.yml
@@ -147,9 +147,6 @@ dr:
       published: "نشر شده"
       updated: "به روز شده"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "سند"
diff --git a/config/locales/el.yml b/config/locales/el.yml
index e1ba86020..b8420f838 100644
--- a/config/locales/el.yml
+++ b/config/locales/el.yml
@@ -145,9 +145,6 @@ el:
       published: "Δημοσιευμένο"
       updated: "ανανεωμένο "
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "Έγγραφο"
diff --git a/config/locales/en.yml b/config/locales/en.yml
index e9e83d8f8..c4b01fc9b 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -30,32 +30,14 @@
 # available at https://guides.rubyonrails.org/i18n.html.
 
 en:
-  time:
-    formats:
-      short_ordinal: '%e %B %Y'
-  common:
-    last_updated: "Last updated"
   components:
     figure:
       image_credit: "Image credit: %{credit}"
     share_links:
       share_this_page: "Share this page"
     publisher_metadata:
-      from: "From"
-      collections: "Collections"
       show_all: "show all"
       hide_all: "hide all"
-    related_navigation:
-      collections: "Collection"
-      external_links: "Elsewhere on the web"
-      policies: "Policy"
-      publishers: "Published by"
-      related_content: "Related content"
-      related_guides: "Detailed guidance"
-      statistical_data_sets: "Statistical data set"
-      topics: "Explore the topic"
-      topical_events: "Topical event"
-      world_locations: "World locations"
     published_dates:
       show_all_updates: "show all updates"
       hide_all_updates: "hide all updates"
@@ -359,9 +341,6 @@ en:
       published: Published
       updated: Updated
     contents: Contents
-  detailed_guide:
-    related_guides: "Related guides"
-    related_mainstream_content: Too much detail?<br/>See these quick guides
   publication:
     documents:
       one: Document
diff --git a/config/locales/es-419.yml b/config/locales/es-419.yml
index aaf2e6850..fc70e3848 100644
--- a/config/locales/es-419.yml
+++ b/config/locales/es-419.yml
@@ -145,9 +145,6 @@ es-419:
       published: publicado
       updated: actualizado
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Documento
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 4c55d87e7..bad08779a 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -142,9 +142,6 @@ es:
       published: Publicado
       updated: Actualizado
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Documento
diff --git a/config/locales/et.yml b/config/locales/et.yml
index 30017b60a..0392251f3 100644
--- a/config/locales/et.yml
+++ b/config/locales/et.yml
@@ -145,9 +145,6 @@ et:
       published: avaldatud
       updated: Täiendatud
     contents: Sisukord
-  detailed_guide:
-    related_mainstream_content: 'Liiga detailne?<br/>Vt. neid kokkuvõtlikke juhendeid? '
-    related_guides: Seotud detailne juhend
   publication:
     documents:
       one: Dokument
diff --git a/config/locales/fa.yml b/config/locales/fa.yml
index 9e1144e9e..683e82454 100644
--- a/config/locales/fa.yml
+++ b/config/locales/fa.yml
@@ -102,9 +102,6 @@ fa:
       published: "منتشر شده"
       updated: "به روز رسانی شده"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       other: "مدارک"
diff --git a/config/locales/fi.yml b/config/locales/fi.yml
index 40f5a1471..ce7566608 100644
--- a/config/locales/fi.yml
+++ b/config/locales/fi.yml
@@ -246,21 +246,8 @@ fi:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -270,9 +257,6 @@ fi:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   multi_page:
     next_page:
     previous_page:
@@ -282,9 +266,6 @@ fi:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 650c559fc..acf3592d4 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -145,9 +145,6 @@ fr:
       published: publié
       updated: mise à jour
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Document
diff --git a/config/locales/gd.yml b/config/locales/gd.yml
index 49b16150d..20772ddcc 100644
--- a/config/locales/gd.yml
+++ b/config/locales/gd.yml
@@ -396,21 +396,8 @@ gd:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -420,9 +407,6 @@ gd:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   multi_page:
     next_page:
     previous_page:
@@ -432,9 +416,6 @@ gd:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/gu.yml b/config/locales/gu.yml
index 19628620a..fd097590e 100644
--- a/config/locales/gu.yml
+++ b/config/locales/gu.yml
@@ -244,21 +244,8 @@ gu:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -268,9 +255,6 @@ gu:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   language_names:
     gu: ગુજરાતી
   multi_page:
@@ -282,9 +266,6 @@ gu:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/he.yml b/config/locales/he.yml
index 210ef1453..adf62a7de 100644
--- a/config/locales/he.yml
+++ b/config/locales/he.yml
@@ -147,9 +147,6 @@ he:
       published: "פורסם"
       updated: "מעודכן"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "מסמך"
diff --git a/config/locales/hi.yml b/config/locales/hi.yml
index ad9889f94..e2eb8ba33 100644
--- a/config/locales/hi.yml
+++ b/config/locales/hi.yml
@@ -145,9 +145,6 @@ hi:
       published: "प्रकाशित"
       updated: "अद्यतन"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "दस्तावेज़"
diff --git a/config/locales/hr.yml b/config/locales/hr.yml
index bcf0a75c5..9a78d53cf 100644
--- a/config/locales/hr.yml
+++ b/config/locales/hr.yml
@@ -396,21 +396,8 @@ hr:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -420,9 +407,6 @@ hr:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   multi_page:
     next_page:
     previous_page:
@@ -432,9 +416,6 @@ hr:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/hu.yml b/config/locales/hu.yml
index 468273f86..d1e6a2775 100644
--- a/config/locales/hu.yml
+++ b/config/locales/hu.yml
@@ -145,9 +145,6 @@ hu:
       published: közzététel dátuma
       updated: 'Utolsó frissítés:'
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Dokumentum
diff --git a/config/locales/hy.yml b/config/locales/hy.yml
index 6b54382d0..dfce59c7e 100644
--- a/config/locales/hy.yml
+++ b/config/locales/hy.yml
@@ -145,9 +145,6 @@ hy:
       published: "հրապարակված"
       updated: "Թարմացված"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "Փաստաթուղթ"
diff --git a/config/locales/id.yml b/config/locales/id.yml
index 5b921f303..f424d36df 100644
--- a/config/locales/id.yml
+++ b/config/locales/id.yml
@@ -100,9 +100,6 @@ id:
       published: Diterbitkan
       updated: Terkini
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       other: Dokumen-dokumen
diff --git a/config/locales/is.yml b/config/locales/is.yml
index 3301a7eb5..bf89bff5a 100644
--- a/config/locales/is.yml
+++ b/config/locales/is.yml
@@ -246,21 +246,8 @@ is:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -270,9 +257,6 @@ is:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   multi_page:
     next_page:
     previous_page:
@@ -282,9 +266,6 @@ is:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/it.yml b/config/locales/it.yml
index 7a37dd50e..f9604df49 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -145,9 +145,6 @@ it:
       published: pubblicato
       updated: aggiornato
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Documento
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index 48cb5f7fc..76121af3c 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -100,9 +100,6 @@ ja:
       published: "掲載日"
       updated: "更新"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       other: "お知らせ"
diff --git a/config/locales/ka.yml b/config/locales/ka.yml
index 882c465cc..265e62fba 100644
--- a/config/locales/ka.yml
+++ b/config/locales/ka.yml
@@ -100,9 +100,6 @@ ka:
       published:
       updated:
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       other:
diff --git a/config/locales/kk.yml b/config/locales/kk.yml
index e3dcb2c2c..732fbb5b9 100644
--- a/config/locales/kk.yml
+++ b/config/locales/kk.yml
@@ -244,21 +244,8 @@ kk:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -268,9 +255,6 @@ kk:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   language_names:
     kk: Qazaq
   multi_page:
@@ -282,9 +266,6 @@ kk:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/ko.yml b/config/locales/ko.yml
index 0f15ef1b3..91ab20f97 100644
--- a/config/locales/ko.yml
+++ b/config/locales/ko.yml
@@ -100,9 +100,6 @@ ko:
       published: "발행"
       updated: "업데이트"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       other: "문서"
diff --git a/config/locales/lt.yml b/config/locales/lt.yml
index 240262ae0..e5d8ffdd6 100644
--- a/config/locales/lt.yml
+++ b/config/locales/lt.yml
@@ -191,9 +191,6 @@ lt:
       published: publikuota
       updated: atnaujinta
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Dokumentas
diff --git a/config/locales/lv.yml b/config/locales/lv.yml
index c7b427bb4..e1d533ab8 100644
--- a/config/locales/lv.yml
+++ b/config/locales/lv.yml
@@ -145,9 +145,6 @@ lv:
       published: publicēts
       updated: atjaunināts
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Dokuments
diff --git a/config/locales/ms.yml b/config/locales/ms.yml
index 3775cfaf2..4a81c6a38 100644
--- a/config/locales/ms.yml
+++ b/config/locales/ms.yml
@@ -100,9 +100,6 @@ ms:
       published:
       updated:
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       other:
diff --git a/config/locales/mt.yml b/config/locales/mt.yml
index b1a9f811c..cdaf817f7 100644
--- a/config/locales/mt.yml
+++ b/config/locales/mt.yml
@@ -396,21 +396,8 @@ mt:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -420,9 +407,6 @@ mt:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   multi_page:
     next_page:
     previous_page:
@@ -432,9 +416,6 @@ mt:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/nl.yml b/config/locales/nl.yml
index 6b8366f25..8b4174c48 100644
--- a/config/locales/nl.yml
+++ b/config/locales/nl.yml
@@ -250,17 +250,6 @@ nl:
       from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -270,9 +259,6 @@ nl:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   multi_page:
     next_page:
     previous_page:
@@ -282,9 +268,6 @@ nl:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/no.yml b/config/locales/no.yml
index 9a2a2524a..8d4bb1717 100644
--- a/config/locales/no.yml
+++ b/config/locales/no.yml
@@ -246,21 +246,8 @@
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -270,9 +257,6 @@
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   multi_page:
     next_page:
     previous_page:
@@ -282,9 +266,6 @@
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/pa-pk.yml b/config/locales/pa-pk.yml
index a1bd0474e..e5dadc0d6 100644
--- a/config/locales/pa-pk.yml
+++ b/config/locales/pa-pk.yml
@@ -247,21 +247,8 @@ pa-pk:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -271,9 +258,6 @@ pa-pk:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   language_names:
     pa-pk: پن٘جابی
   multi_page:
@@ -285,9 +269,6 @@ pa-pk:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/pa.yml b/config/locales/pa.yml
index 0e16a8c7b..0678bee4c 100644
--- a/config/locales/pa.yml
+++ b/config/locales/pa.yml
@@ -245,21 +245,8 @@ pa:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -269,9 +256,6 @@ pa:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   language_names:
     pa: ਪੰਜਾਬੀ
   multi_page:
@@ -283,9 +267,6 @@ pa:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/pl.yml b/config/locales/pl.yml
index 3c92c0a37..7c9dcb1b6 100644
--- a/config/locales/pl.yml
+++ b/config/locales/pl.yml
@@ -237,9 +237,6 @@ pl:
       published: opublikowano
       updated: Zaktualizowany
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Dokument
diff --git a/config/locales/ps.yml b/config/locales/ps.yml
index c3e43bc7e..f5ce6b5dd 100644
--- a/config/locales/ps.yml
+++ b/config/locales/ps.yml
@@ -147,9 +147,6 @@ ps:
       published: "خپور شوی"
       updated: "تازه شوي"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "سند"
diff --git a/config/locales/pt.yml b/config/locales/pt.yml
index 78fbd08f4..6d58640cc 100644
--- a/config/locales/pt.yml
+++ b/config/locales/pt.yml
@@ -145,9 +145,6 @@ pt:
       published: publicado
       updated: Atualizado
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Documento
diff --git a/config/locales/ro.yml b/config/locales/ro.yml
index daeb91167..53a01a56f 100644
--- a/config/locales/ro.yml
+++ b/config/locales/ro.yml
@@ -191,9 +191,6 @@ ro:
       published: Data publicării
       updated: Actualizat
     contents: Conținut
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Document
diff --git a/config/locales/ru.yml b/config/locales/ru.yml
index 94b612382..0d0f6be46 100644
--- a/config/locales/ru.yml
+++ b/config/locales/ru.yml
@@ -1,15 +1,6 @@
 ru:
   language_names:
     ru: "Русский"
-  components:
-    related_navigation:
-      collections: "Коллекции"
-      external_links: "Внешние ссылки"
-      policies: "Политика"
-      related_content: "На эту тему"
-      topical_events: "Актуальные события"
-      topics: "Темы"
-      world_locations: "Страны, регионы, организации"
   content_item:
     schema_name:
       announcement:
@@ -244,9 +235,6 @@ ru:
       published: "Опубликовано"
       updated: "обновлено"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "Документ"
diff --git a/config/locales/si.yml b/config/locales/si.yml
index a2d5fd9c1..36a5ac4fa 100644
--- a/config/locales/si.yml
+++ b/config/locales/si.yml
@@ -145,9 +145,6 @@ si:
       published: "පල කරන ලදී"
       updated: "යාවත්කාලීන කල"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "ලේඛණය"
diff --git a/config/locales/sk.yml b/config/locales/sk.yml
index 1769c86dd..cb435c749 100644
--- a/config/locales/sk.yml
+++ b/config/locales/sk.yml
@@ -191,9 +191,6 @@ sk:
       published:
       updated:
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one:
diff --git a/config/locales/sl.yml b/config/locales/sl.yml
index de7e1590e..18ee36cda 100644
--- a/config/locales/sl.yml
+++ b/config/locales/sl.yml
@@ -396,21 +396,8 @@ sl:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -420,9 +407,6 @@ sl:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   multi_page:
     next_page:
     previous_page:
@@ -432,9 +416,6 @@ sl:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/so.yml b/config/locales/so.yml
index 868d3c093..1ba7ab36b 100644
--- a/config/locales/so.yml
+++ b/config/locales/so.yml
@@ -145,9 +145,6 @@ so:
       published: La-daabacay/nashriyey
       updated: Wax lagu kordhiyey
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Dokumenti
diff --git a/config/locales/sq.yml b/config/locales/sq.yml
index c0bafc29c..cc15af39a 100644
--- a/config/locales/sq.yml
+++ b/config/locales/sq.yml
@@ -145,9 +145,6 @@ sq:
       published: publikuar
       updated: rifreskuar
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Dokument
diff --git a/config/locales/sr.yml b/config/locales/sr.yml
index a3d90b19b..674111900 100644
--- a/config/locales/sr.yml
+++ b/config/locales/sr.yml
@@ -237,9 +237,6 @@ sr:
       published: objavljeno
       updated: ažurirano
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Dokument
diff --git a/config/locales/sv.yml b/config/locales/sv.yml
index d5ff9cef8..4405d3e17 100644
--- a/config/locales/sv.yml
+++ b/config/locales/sv.yml
@@ -246,21 +246,8 @@ sv:
       see_all_updates:
       show_all_updates:
     publisher_metadata:
-      collections:
-      from:
       hide_all:
       show_all:
-    related_navigation:
-      collections:
-      external_links:
-      policies:
-      publishers:
-      related_content:
-      related_guides:
-      statistical_data_sets:
-      topical_events:
-      topics:
-      world_locations:
     share_links:
       share_this_page:
   corporate_information_page:
@@ -270,9 +257,6 @@ sv:
     publication_scheme_html:
     social_media_use_html:
     welsh_language_scheme_html:
-  detailed_guide:
-    related_guides:
-    related_mainstream_content:
   multi_page:
     next_page:
     previous_page:
@@ -282,9 +266,6 @@ sv:
     error:
       option:
       title:
-  time:
-    formats:
-      short_ordinal:
   travel_advice:
     alert_status:
       avoid_all_but_essential_travel_to_parts:
diff --git a/config/locales/sw.yml b/config/locales/sw.yml
index 690202deb..add0e100a 100644
--- a/config/locales/sw.yml
+++ b/config/locales/sw.yml
@@ -145,9 +145,6 @@ sw:
       published:
       updated:
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one:
diff --git a/config/locales/ta.yml b/config/locales/ta.yml
index a4004bd1c..baad61d78 100644
--- a/config/locales/ta.yml
+++ b/config/locales/ta.yml
@@ -145,9 +145,6 @@ ta:
       published: "பிரசுரிக்கப்பட்டது"
       updated: "இற்றைப்படுத்தப்பட்டது"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: " ஆவணம்"
diff --git a/config/locales/th.yml b/config/locales/th.yml
index bdf5ff298..7e2309a99 100644
--- a/config/locales/th.yml
+++ b/config/locales/th.yml
@@ -100,9 +100,6 @@ th:
       published: "ตีพิมพ์"
       updated: "ปรับปรุง"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       other: "เอกสารต่างๆ"
diff --git a/config/locales/tk.yml b/config/locales/tk.yml
index 154c94819..95e42805d 100644
--- a/config/locales/tk.yml
+++ b/config/locales/tk.yml
@@ -145,9 +145,6 @@ tk:
       published:
       updated:
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one:
diff --git a/config/locales/tr.yml b/config/locales/tr.yml
index c1fe7f6f2..37dfd4358 100644
--- a/config/locales/tr.yml
+++ b/config/locales/tr.yml
@@ -145,9 +145,6 @@ tr:
       published: Yayında
       updated: Güncellendi
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Belge
diff --git a/config/locales/uk.yml b/config/locales/uk.yml
index 28c8721ac..3846be776 100644
--- a/config/locales/uk.yml
+++ b/config/locales/uk.yml
@@ -235,9 +235,6 @@ uk:
       published: "опубліковано"
       updated: "оновлено"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "Документ"
diff --git a/config/locales/ur.yml b/config/locales/ur.yml
index a41916e3b..b98a70253 100644
--- a/config/locales/ur.yml
+++ b/config/locales/ur.yml
@@ -147,9 +147,6 @@ ur:
     contents:
   language_names:
     ur: "اردو"
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "دستاویز"
diff --git a/config/locales/uz.yml b/config/locales/uz.yml
index a00bcbdb7..ff3fb033e 100644
--- a/config/locales/uz.yml
+++ b/config/locales/uz.yml
@@ -145,9 +145,6 @@ uz:
       published: nashr qilindi
       updated: yangilandi
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: Hujjat
diff --git a/config/locales/vi.yml b/config/locales/vi.yml
index 6fa621767..7f1c97d83 100644
--- a/config/locales/vi.yml
+++ b/config/locales/vi.yml
@@ -100,9 +100,6 @@ vi:
       published: "Đã xuất bản"
       updated: Cập nhật
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       other: Tài liệu
diff --git a/config/locales/zh-hk.yml b/config/locales/zh-hk.yml
index 7b7355cd5..8d173f651 100644
--- a/config/locales/zh-hk.yml
+++ b/config/locales/zh-hk.yml
@@ -145,9 +145,6 @@ zh-hk:
       published: "已發布"
       updated: "已更新"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "文件"
diff --git a/config/locales/zh-tw.yml b/config/locales/zh-tw.yml
index 7c391af39..3cfa5e096 100644
--- a/config/locales/zh-tw.yml
+++ b/config/locales/zh-tw.yml
@@ -145,9 +145,6 @@ zh-tw:
       published: "發行"
       updated: "更新"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       one: "文件"
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 41e31c5e5..41a465b61 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -102,9 +102,6 @@ zh:
       published: "已发布"
       updated: "已更新"
     contents:
-  detailed_guide:
-    related_mainstream_content:
-    related_guides:
   publication:
     documents:
       other: "文件"
diff --git a/test/test_helper.rb b/test/test_helper.rb
index c224d90af..39612b16a 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -6,6 +6,10 @@
 require "simplecov"
 SimpleCov.start
 
+require "i18n/coverage/printers/file_printer"
+I18n::Coverage.config.printer = I18n::Coverage::Printers::FilePrinter
+I18n::Coverage.start
+
 require File.expand_path("../config/environment", __dir__)
 require "rails/test_help"
 require "capybara/rails"