diff --git a/app/models/artist_commentary_version.rb b/app/models/artist_commentary_version.rb
index 196064b6b..cbd85d451 100644
--- a/app/models/artist_commentary_version.rb
+++ b/app/models/artist_commentary_version.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class ArtistCommentaryVersion < ApplicationRecord
-  self.ignored_columns = [:updater_ip_addr]
-
   belongs_to :post
   belongs_to_updater
 
diff --git a/app/models/artist_url.rb b/app/models/artist_url.rb
index d0e49d1ef..8597f5166 100644
--- a/app/models/artist_url.rb
+++ b/app/models/artist_url.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class ArtistURL < ApplicationRecord
-  self.ignored_columns = [:normalized_url]
-
   normalize :url, :normalize_url
 
   validates :url, presence: true, uniqueness: { scope: :artist_id }
diff --git a/app/models/artist_version.rb b/app/models/artist_version.rb
index 85ae3f1f9..70fe17395 100644
--- a/app/models/artist_version.rb
+++ b/app/models/artist_version.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class ArtistVersion < ApplicationRecord
-  self.ignored_columns = [:updater_ip_addr]
-
   array_attribute :urls
   array_attribute :other_names
 
diff --git a/app/models/comment.rb b/app/models/comment.rb
index bc6e05a6b..9ea14b68d 100644
--- a/app/models/comment.rb
+++ b/app/models/comment.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Comment < ApplicationRecord
-  self.ignored_columns = [:creator_ip_addr, :updater_ip_addr]
-
   attr_accessor :creator_ip_addr
 
   belongs_to :post
diff --git a/app/models/dmail.rb b/app/models/dmail.rb
index add6e06b6..df60e3f4c 100644
--- a/app/models/dmail.rb
+++ b/app/models/dmail.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Dmail < ApplicationRecord
-  self.ignored_columns = [:creator_ip_addr]
-
   attr_accessor :creator_ip_addr
 
   validate :validate_sender_is_not_limited, on: :create
diff --git a/app/models/note_version.rb b/app/models/note_version.rb
index 8d9bee888..841deae04 100644
--- a/app/models/note_version.rb
+++ b/app/models/note_version.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class NoteVersion < ApplicationRecord
-  self.ignored_columns = [:updater_ip_addr]
-
   belongs_to :post
   belongs_to :note
   belongs_to_updater :counter_cache => "note_update_count"
diff --git a/app/models/pool_version.rb b/app/models/pool_version.rb
index 3cd798bcc..bed95ffe4 100644
--- a/app/models/pool_version.rb
+++ b/app/models/pool_version.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class PoolVersion < ApplicationRecord
-  self.ignored_columns = [:updater_ip_addr]
-
   belongs_to :updater, :class_name => "User"
   belongs_to :pool
 
diff --git a/app/models/post.rb b/app/models/post.rb
index 1cc619f58..00e8bb69d 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Post < ApplicationRecord
-  self.ignored_columns = [:uploader_ip_addr]
-
   class RevertError < StandardError; end
   class DeletionError < StandardError; end
 
diff --git a/app/models/post_version.rb b/app/models/post_version.rb
index 68853f25c..120b40434 100644
--- a/app/models/post_version.rb
+++ b/app/models/post_version.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class PostVersion < ApplicationRecord
-  self.ignored_columns = [:updater_ip_addr]
-
   class RevertError < StandardError; end
   extend Memoist
 
diff --git a/app/models/upload.rb b/app/models/upload.rb
index bceabe7d7..09f2f7bb3 100644
--- a/app/models/upload.rb
+++ b/app/models/upload.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Upload < ApplicationRecord
-  self.ignored_columns = [:uploader_ip_addr]
-
   extend Memoist
   class Error < StandardError; end
 
diff --git a/app/models/wiki_page_version.rb b/app/models/wiki_page_version.rb
index 99fd950ea..541b0fe5b 100644
--- a/app/models/wiki_page_version.rb
+++ b/app/models/wiki_page_version.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class WikiPageVersion < ApplicationRecord
-  self.ignored_columns = [:updater_ip_addr]
-
   array_attribute :other_names
   belongs_to :wiki_page
   belongs_to_updater