1 files changed, 0 insertions, 25 deletions
diff --git a/db/migrate/20200813143356_remove_old_external_diff_migration_index.rb b/db/migrate/20200813143356_remove_old_external_diff_migration_index.rb
deleted file mode 100644
index a3730247f10..00000000000
--- a/db/migrate/20200813143356_remove_old_external_diff_migration_index.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-# frozen_string_literal: true
-
-class RemoveOldExternalDiffMigrationIndex < ActiveRecord::Migration[6.0]
-  include Gitlab::Database::MigrationHelpers
-
-  DOWNTIME = false
-
-  disable_ddl_transaction!
-
-  def up
-    remove_concurrent_index_by_name(
-      :merge_request_diffs,
-      'index_merge_request_diffs_on_merge_request_id_and_id_partial'
-    )
-  end
-
-  def down
-    add_concurrent_index(
-      :merge_request_diffs,
-      [:merge_request_id, :id],
-      where: 'NOT stored_externally OR stored_externally IS NULL',
-      name: 'index_merge_request_diffs_on_merge_request_id_and_id_partial'
-    )
-  end
-end