dev_ops_remove_minor
dev_ops_remove_minor(&ch_ops, periph->unit_number);
dev_ops_remove_minor(&pass_ops, periph->unit_number);
dev_ops_remove_minor(&pt_ops, periph->unit_number);
dev_ops_remove_minor(&sa_ops, /*SA_UNITMASK,*/ SA_UNIT(periph->unit_number));
dev_ops_remove_minor(&ses_ops, periph->unit_number);
dev_ops_remove_minor(&firewire_ops, /*FW_UNITMASK, */FW_UNIT(unit));
dev_ops_remove_minor(&iic_ops, device_get_unit(dev));
dev_ops_remove_minor(&ucom_ops,ssc->sc_unit);
dev_ops_remove_minor(&agp_ops, device_get_unit(dev));
dev_ops_remove_minor(&fd_ops,
dev_ops_remove_minor(&acd_ops, /*dkunitmask(), */dkmakeunit(device_get_unit(dev)));
dev_ops_remove_minor(&ast_ops, /*dkunitmask(), */dkmakeunit(device_get_unit(dev)));
dev_ops_remove_minor(&cmx_ops, device_get_unit(dev));
dev_ops_remove_minor(&evdev_cdevsw, evdev->ev_unit);
dev_ops_remove_minor(&kbd_ops, kbd->kb_index);
dev_ops_remove_minor(&aac_ops, device_get_unit(sc->aac_dev));
dev_ops_remove_minor(&amr_ops, device_get_unit(sc->amr_dev));
dev_ops_remove_minor(&hptiop_ops, device_get_unit(hba->pcidev));
dev_ops_remove_minor(&ips_ops, device_get_unit(sc->dev));
dev_ops_remove_minor(&mfi_ops, device_get_unit(sc->mfi_dev));
dev_ops_remove_minor(&mlx_ops, device_get_unit(sc->mlx_dev));
dev_ops_remove_minor(&twa_ops, device_get_unit(sc->bus_dev));
dev_ops_remove_minor(&twe_ops, device_get_unit(sc->twe_dev));
dev_ops_remove_minor(&tws_ops, device_get_unit(sc->tws_dev));
dev_ops_remove_minor(&tws_ops, device_get_unit(sc->tws_dev));
dev_ops_remove_minor(&atmel_mxt_ops, device_get_unit(dev));
dev_ops_remove_minor(&cyapa_ops, device_get_unit(dev));
dev_ops_remove_minor(&smb_ops, device_get_unit(dev));
dev_ops_remove_minor(&bktr_ops, /*0x0f, */device_get_unit(dev));
dev_ops_remove_minor(&cxm_ops, /*0, */device_get_unit(dev));
int dev_ops_remove_minor(struct dev_ops *ops, int minor);