diff --git a/Gemfile.lock b/Gemfile.lock
index c9a9721f3..8c57afa25 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -216,7 +216,7 @@ GEM
     govuk_personalisation (0.16.0)
       plek (>= 1.9.0)
       rails (>= 6, < 8)
-    govuk_publishing_components (40.1.0)
+    govuk_publishing_components (41.0.0)
       govuk_app_config
       govuk_personalisation (>= 0.7.0)
       kramdown
diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index b50857d65..9be7a1479 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -1,7 +1,6 @@
 //= require govuk_publishing_components/vendor/polyfills-govuk-frontend-v4/Function/prototype/bind
 
 //= require govuk_publishing_components/lib
-//= require govuk_publishing_components/components/details
 //= require govuk_publishing_components/components/govspeak
 //= require govuk_publishing_components/components/image-card
 //= require govuk_publishing_components/components/intervention