1 files changed, 0 insertions, 28 deletions
diff --git a/db/post_migrate/20200128133510_cleanup_empty_commit_user_mentions.rb b/db/post_migrate/20200128133510_cleanup_empty_commit_user_mentions.rb
deleted file mode 100644
index 362aa3a60f7..00000000000
--- a/db/post_migrate/20200128133510_cleanup_empty_commit_user_mentions.rb
+++ /dev/null
@@ -1,28 +0,0 @@
-# frozen_string_literal: true
-
-class CleanupEmptyCommitUserMentions < ActiveRecord::Migration[5.2]
-  DOWNTIME = false
-  BATCH_SIZE = 10_000
-
-  class CommitUserMention < ActiveRecord::Base
-    include EachBatch
-
-    self.table_name = 'commit_user_mentions'
-  end
-
-  def up
-    # cleanup commit user mentions with no actual mentions,
-    # re https://gitlab.com/gitlab-org/gitlab/-/merge_requests/24586#note_285982468
-    CommitUserMention
-      .where(mentioned_users_ids: nil)
-      .where(mentioned_groups_ids: nil)
-      .where(mentioned_projects_ids: nil)
-      .each_batch(of: BATCH_SIZE) do |batch|
-      batch.delete_all
-    end
-  end
-
-  def down
-    # no-op
-  end
-end