def unset_iscsi_info(self):
        """Disable iSCSI boot option in UEFI boot mode.

        :raises: IloError, on an error from iLO.
        :raises: IloCommandNotSupportedInBiosError, if the system is
                 in the BIOS boot mode.
        """
        if(self._is_boot_mode_uefi() is True):
            iscsi_info = {'iSCSIBootEnable': 'Disabled'}
            self._change_iscsi_settings(iscsi_info)
        else:
            msg = 'iSCSI boot is not supported in the BIOS boot mode'
            raise exception.IloCommandNotSupportedInBiosError(msg)
Disable iSCSI boot option in UEFI boot mode.

        :raises: IloError, on an error from iLO.
        :raises: IloCommandNotSupportedInBiosError, if the system is
                 in the BIOS boot mode.