diff --git a/app/controllers/applications_controller.rb b/app/controllers/applications_controller.rb
index d1c21ab73..dd0ac628b 100644
--- a/app/controllers/applications_controller.rb
+++ b/app/controllers/applications_controller.rb
@@ -144,7 +144,6 @@ def show
   def external
     application = Application.find(T.cast(params[:id], String))
     @application = T.let(application, T.nilable(Application))
-    ab_finished("view_source")
   end
 
   private
diff --git a/app/views/applications/show.html.erb b/app/views/applications/show.html.erb
index fd46bc36e..7b6488ad6 100644
--- a/app/views/applications/show.html.erb
+++ b/app/views/applications/show.html.erb
@@ -33,12 +33,10 @@
   <dt class="mt-8 font-bold md:mt-0 font-display">Planning Authority</dt>
   <dd>
     <%= @application.authority.full_name %>
-    <% if ab_test("view_source", "button", "link") == "link" %>
-      <div class="inline-block ml-2 size-4 text-fuchsia">
-        <%= render IconComponent.new(name: :external) %>
-      </div>
-      <%= pa_link_to "View source", external_application_path(@application), extra_classes: "ml-1" %>
-    <% end %>
+    <div class="inline-block ml-2 size-4 text-fuchsia">
+      <%= render IconComponent.new(name: :external) %>
+    </div>
+    <%= pa_link_to "View source", external_application_path(@application), extra_classes: "ml-1" %>
   </dd>
   <dt class="mt-8 font-bold font-display md:mt-0">Reference number</dt>
   <dd>
@@ -98,17 +96,6 @@
   <% end %>
 </div>
 
-<% if ab_test("view_source", "button", "link") == "button" %>
-  <div class="mt-2">
-    <%= render ButtonWithSideTextComponent.new(tag: :a, size: "xl", type: :primary, href: external_application_path(@application), icon: :external) do |c| %>
-      View source
-      <% c.with_side_text do %>
-        on the <%= @application.authority.full_name %> website
-      <% end %>
-    <% end %>
-  </div>
-<% end %>
-
 <div class="mt-6 md:mt-2">
   <%= render ShareButtonComponent.new(url: application_url(@application), title: page_title(@application), color: :green) do %>
     Share this application