diff --git a/config/application.rb b/config/application.rb
index 69e9d89dfea..10fcb0bdcd4 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -35,7 +35,7 @@ class Application < Rails::Application
     Identity::Hostdata.load_config!(
       app_root: Rails.root,
       rails_env: Rails.env,
-      write_copy_to: Rails.root.join('tmp', 'application.yml'),
+      write_copy_to: nil
       &IdentityConfig::BUILDER
     )