mastodon/db/migrate/20180617162849_remove_unused_indexes.rb

# frozen_string_literal: true

class RemoveUnusedIndexes < ActiveRecord::Migration[5.2]
  def change
    remove_index :statuses, :conversation_id, name: 'index_statuses_on_conversation_id'
    remove_index :users, :filtered_languages, name: 'index_users_on_filtered_languages'
    remove_index :backups, :user_id, name: 'index_backups_on_user_id'
  end
end