diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb
index <HASH>..<HASH> 100644
--- a/activesupport/lib/active_support/dependencies.rb
+++ b/activesupport/lib/active_support/dependencies.rb
@@ -54,9 +54,6 @@ module ActiveSupport # :nodoc:
       Dependencies._eager_load_paths.member?(path)
     end
 
-    # All files currently loaded.
-    mattr_accessor :loaded, default: Set.new
-
     # Stack of files being loaded.
     mattr_accessor :loading, default: []
 
@@ -184,7 +181,6 @@ module ActiveSupport # :nodoc:
 
     def clear
       Dependencies.unload_interlock do
-        loaded.clear
         loading.clear
       end
     end
Delete AS::Dependencies.loaded