diff --git a/config/initializers/active_storage.rb b/config/initializers/active_storage.rb
index 5cc61f6c1..6be3549bc 100644
--- a/config/initializers/active_storage.rb
+++ b/config/initializers/active_storage.rb
@@ -1,11 +1,5 @@
 Rails.application.config.active_storage.service_urls_expire_in = 1.hour
 
-# In Rails 5.2, we have to hook at `on_load` on the blob themeselves, which is
-# not ideal.
-#
-# Rails 6 adds support for `.on_load(:active_storage_attachment)`, which is
-# cleaner (as it allows to enqueue the virus scan on attachment creation, rather
-# than on blob creation).
 ActiveSupport.on_load(:active_storage_blob) do
   include BlobSignedIdConcern
   include BlobVirusScannerConcern