1 files changed, 0 insertions, 47 deletions
diff --git a/lib/gitlab/background_migration/user_mentions/models/merge_request.rb b/lib/gitlab/background_migration/user_mentions/models/merge_request.rb
deleted file mode 100644
index 13addcc3c55..00000000000
--- a/lib/gitlab/background_migration/user_mentions/models/merge_request.rb
+++ /dev/null
@@ -1,47 +0,0 @@
-# frozen_string_literal: true
-# rubocop:disable Style/Documentation
-
-module Gitlab
-  module BackgroundMigration
-    module UserMentions
-      module Models
-        class MergeRequest < ActiveRecord::Base
-          include EachBatch
-          include Concerns::IsolatedMentionable
-          include CacheMarkdownField
-          include Concerns::MentionableMigrationMethods
-
-          attr_mentionable :title, pipeline: :single_line
-          attr_mentionable :description
-          cache_markdown_field :title, pipeline: :single_line
-          cache_markdown_field :description, issuable_state_filter_enabled: true
-
-          self.table_name = 'merge_requests'
-          self.inheritance_column = :_type_disabled
-
-          belongs_to :author, class_name: "::Gitlab::BackgroundMigration::UserMentions::Models::User"
-          belongs_to :target_project, class_name: "::Gitlab::BackgroundMigration::UserMentions::Models::Project"
-          belongs_to :source_project, class_name: "::Gitlab::BackgroundMigration::UserMentions::Models::Project"
-
-          alias_attribute :project, :target_project
-
-          def self.user_mention_model
-            Gitlab::BackgroundMigration::UserMentions::Models::MergeRequestUserMention
-          end
-
-          def user_mention_model
-            self.class.user_mention_model
-          end
-
-          def user_mention_resource_id
-            id
-          end
-
-          def user_mention_note_id
-            'NULL'
-          end
-        end
-      end
-    end
-  end
-end