function removeAccountPremdays($days)
    {
        $newDays = $this->account->getPremDays() - $days;
        //$newpremend = time() + (60 * 60 * 24 * $newDays); //tfs aparentemente não usa premend

        $ots = POT::getInstance();
        $ots->connect(POT::DB_MYSQL, array('host' => HOSTNAME, 'user' => USERNAME, 'database' => DATABASE, 'password' => PASSWORD));
            $SQL = $ots->getDBHandle();

            $SQL->query("UPDATE `accounts` SET `premdays` = '{$newDays}', `lastday` = '".time()."' WHERE `id` = '{$this->account->getId()}';");
            $value = $SQL->query("SELECT `premdays` FROM `accounts` WHERE `id` = '{$this->account->getId()}'")->fetch();

            return $value["premdays"];
    }