# File lib/openshift-origin-controller/lib/openshift/mongo_data_store.rb, line 170
    def delete_usage_records_by_uuids(user_id, uuids)
      Rails.logger.debug "MongoDataStore.delete_usage_record_by_gear_uuid(#{user_id}, #{uuids})\n\n"
      update( user_collection, { "_id" => user_id },
                               { "$pull" => { "usage_records" => {"uuid" => {"$in" => uuids}} }} )
    end