diff --git a/app/jobs/scheduled/clean_up_uploads.rb b/app/jobs/scheduled/clean_up_uploads.rb
index cf10d24d44f..acf986a4141 100644
--- a/app/jobs/scheduled/clean_up_uploads.rb
+++ b/app/jobs/scheduled/clean_up_uploads.rb
@@ -63,7 +63,6 @@ module Jobs
         .joins("LEFT JOIN post_uploads pu ON pu.upload_id = uploads.id")
         .joins("LEFT JOIN users u ON u.uploaded_avatar_id = uploads.id")
         .joins("LEFT JOIN user_avatars ua ON ua.gravatar_upload_id = uploads.id OR ua.custom_upload_id = uploads.id")
-        .joins("LEFT JOIN user_profiles up2 ON up2.profile_background = uploads.url OR up2.card_background = uploads.url")
         .joins("LEFT JOIN user_profiles up ON up.profile_background_upload_id = uploads.id OR up.card_background_upload_id = uploads.id")
         .joins("LEFT JOIN categories c ON c.uploaded_logo_id = uploads.id OR c.uploaded_background_id = uploads.id")
         .joins("LEFT JOIN custom_emojis ce ON ce.upload_id = uploads.id")
@@ -73,7 +72,6 @@ module Jobs
         .where("u.uploaded_avatar_id IS NULL")
         .where("ua.gravatar_upload_id IS NULL AND ua.custom_upload_id IS NULL")
         .where("up.profile_background_upload_id IS NULL AND up.card_background_upload_id IS NULL")
-        .where("up2.profile_background IS NULL AND up2.card_background IS NULL")
         .where("c.uploaded_logo_id IS NULL AND c.uploaded_background_id IS NULL")
         .where("ce.upload_id IS NULL")
         .where("tf.upload_id IS NULL")
diff --git a/app/models/category.rb b/app/models/category.rb
index 455e50cbe8b..025512d0fbc 100644
--- a/app/models/category.rb
+++ b/app/models/category.rb
@@ -6,7 +6,6 @@ class Category < ActiveRecord::Base
   ]
 
   self.ignored_columns = %w{
-    uploaded_meta_id
     suppress_from_latest
   }
 
diff --git a/app/models/invite.rb b/app/models/invite.rb
index b442f26208e..bced2785df1 100644
--- a/app/models/invite.rb
+++ b/app/models/invite.rb
@@ -1,10 +1,6 @@
 # frozen_string_literal: true
 
 class Invite < ActiveRecord::Base
-  self.ignored_columns = %w{
-    via_email
-  }
-
   class UserExists < StandardError; end
   include RateLimiter::OnCreateRecord
   include Trashable
diff --git a/app/models/user_action.rb b/app/models/user_action.rb
index fef91feb9e4..5346c066258 100644
--- a/app/models/user_action.rb
+++ b/app/models/user_action.rb
@@ -1,11 +1,6 @@
 # frozen_string_literal: true
 
 class UserAction < ActiveRecord::Base
-
-  self.ignored_columns = %w{
-    queued_post_id
-  }
-
   belongs_to :user
   belongs_to :target_post, class_name: "Post"
   belongs_to :target_topic, class_name: "Topic"
diff --git a/app/models/user_profile.rb b/app/models/user_profile.rb
index ad2701e70d4..bb276d30ca9 100644
--- a/app/models/user_profile.rb
+++ b/app/models/user_profile.rb
@@ -1,11 +1,6 @@
 # frozen_string_literal: true
 
 class UserProfile < ActiveRecord::Base
-  self.ignored_columns = %w{
-    card_background
-    profile_background
-  }
-
   belongs_to :user, inverse_of: :user_profile
   belongs_to :card_background_upload, class_name: "Upload"
   belongs_to :profile_background_upload, class_name: "Upload"
diff --git a/db/post_migrate/20200120131338_drop_unused_columns.rb b/db/post_migrate/20200120131338_drop_unused_columns.rb
new file mode 100644
index 00000000000..096f3ee4a6d
--- /dev/null
+++ b/db/post_migrate/20200120131338_drop_unused_columns.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class DropUnusedColumns < ActiveRecord::Migration[6.0]
+  DROPPED_COLUMNS ||= {
+    post_replies: %i{
+      reply_id
+    },
+    user_profiles: %i{
+      card_background
+      profile_background
+    }
+  }
+
+  def up
+    DROPPED_COLUMNS.each do |table, columns|
+      Migration::ColumnDropper.execute_drop(table, columns)
+    end
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end