public function deleteProfile($customerId, $profileId = null)
    {
        $request = new DeleteProfile($this->config->getMerchantId());
        $request->setCustomerId($customerId);
        $request->setProfileId($profileId);

        $this->request = $request->getXml();
        $this->send();

        $result = new DeleteProfileResponse($this->response);
        return $result;
    }