db/migrate/20180617162849_remove_unused_indexes.rb


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