1 files changed, 0 insertions, 33 deletions
diff --git a/lib/gitlab/background_migration/populate_merge_requests_latest_merge_request_diff_id.rb b/lib/gitlab/background_migration/populate_merge_requests_latest_merge_request_diff_id.rb
deleted file mode 100644
index dcac355e1b0..00000000000
--- a/lib/gitlab/background_migration/populate_merge_requests_latest_merge_request_diff_id.rb
+++ /dev/null
@@ -1,33 +0,0 @@
-# frozen_string_literal: true
-# rubocop:disable Style/Documentation
-
-module Gitlab
-  module BackgroundMigration
-    class PopulateMergeRequestsLatestMergeRequestDiffId
-      BATCH_SIZE = 1_000
-
-      class MergeRequest < ActiveRecord::Base
-        self.table_name = 'merge_requests'
-
-        include ::EachBatch
-      end
-
-      def perform(start_id, stop_id)
-        update = '
-          latest_merge_request_diff_id = (
-            SELECT MAX(id)
-            FROM merge_request_diffs
-            WHERE merge_requests.id = merge_request_diffs.merge_request_id
-          )'.squish
-
-        MergeRequest
-          .where(id: start_id..stop_id)
-          .where(latest_merge_request_diff_id: nil)
-          .each_batch(of: BATCH_SIZE) do |relation|
-
-          relation.update_all(update)
-        end
-      end
-    end
-  end
-end