diff --git a/app/models/socializer/activity.rb b/app/models/socializer/activity.rb
index <HASH>..<HASH> 100644
--- a/app/models/socializer/activity.rb
+++ b/app/models/socializer/activity.rb
@@ -5,6 +5,7 @@ module Socializer
   class Activity < ActiveRecord::Base
     include ObjectTypeBase
 
+    # TODO: Remove default_scope. Prevents the Rails 4.2 adequate record caching
     default_scope { order(created_at: :desc) }
 
     attr_accessible :verb, :circles, :actor_id, :activity_object_id, :target_id
diff --git a/app/models/socializer/notification.rb b/app/models/socializer/notification.rb
index <HASH>..<HASH> 100644
--- a/app/models/socializer/notification.rb
+++ b/app/models/socializer/notification.rb
@@ -3,6 +3,7 @@
 #
 module Socializer
   class Notification < ActiveRecord::Base
+    # TODO: Remove default_scope. Prevents the Rails 4.2 adequate record caching
     default_scope { order(created_at: :desc) }
 
     attr_accessible :read
add some TODOs related to default_scope