diff --git a/app/controllers/maintenance_tasks/application_controller.rb b/app/controllers/maintenance_tasks/application_controller.rb
index 9205b689..78bc707b 100644
--- a/app/controllers/maintenance_tasks/application_controller.rb
+++ b/app/controllers/maintenance_tasks/application_controller.rb
@@ -20,11 +20,6 @@ class ApplicationController < MaintenanceTasks.parent_controller.constantize
       policy.frame_ancestors(:self)
     end
 
-    before_action do
-      request.content_security_policy_nonce_generator ||= ->(_request) { SecureRandom.base64(16) }
-      request.content_security_policy_nonce_directives = ["style-src"]
-    end
-
     protect_from_forgery with: :exception
   end
 end