public function mfaDelete($id, $employeeId)
    {
        $result = $this->mfaDeleteInternal([
            'id' => $id,
            'employee_id' => $employeeId,
        ]);
        $statusCode = (int)$result[ 'statusCode' ];

        if ($statusCode === 204) {
            return null;
        }

        $this->reportUnexpectedResponse($result, 1506710702);
    }