diff --git a/app/models/post_reply.rb b/app/models/post_reply.rb
index fc8eee4d1b2..1cedb847a94 100644
--- a/app/models/post_reply.rb
+++ b/app/models/post_reply.rb
@@ -1,11 +1,6 @@
 # frozen_string_literal: true
 
 class PostReply < ActiveRecord::Base
-  # TODO(2020-01-17): remove
-  self.ignored_columns = %w{
-    reply_id
-  }
-
   belongs_to :post
   belongs_to :reply, foreign_key: :reply_post_id, class_name: 'Post'
 
diff --git a/app/models/user_email.rb b/app/models/user_email.rb
index a3e76f22fd7..be1a060eed1 100644
--- a/app/models/user_email.rb
+++ b/app/models/user_email.rb
@@ -1,9 +1,6 @@
 # frozen_string_literal: true
 
 class UserEmail < ActiveRecord::Base
-  # TODO(2020-04-24): remove
-  self.ignored_columns = ['canonical_email']
-
   belongs_to :user
 
   attr_accessor :skip_validate_email