1 files changed, 4 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/class/delegating_attributes.rb b/activesupport/lib/active_support/core_ext/class/delegating_attributes.rb
index c2219beb5a..1c305c5970 100644
--- a/activesupport/lib/active_support/core_ext/class/delegating_attributes.rb
+++ b/activesupport/lib/active_support/core_ext/class/delegating_attributes.rb
@@ -1,5 +1,7 @@
 require 'active_support/core_ext/kernel/singleton_class'
 require 'active_support/core_ext/module/remove_method'
+require 'active_support/core_ext/module/deprecation'
+
 
 class Class
   def superclass_delegating_accessor(name, options = {})
@@ -21,6 +23,8 @@ class Class
     end
   end
 
+  deprecate superclass_delegating_accessor: :class_attribute
+
   private
     # Take the object being set and store it in a method. This gives us automatic
     # inheritance behavior, without having to store the object in an instance