diff --git a/sys/arch/luna68k/stand/boot/device.h b/sys/arch/luna68k/stand/boot/device.h
index e0e569b5da4d..07cfc035e490 100644
--- a/sys/arch/luna68k/stand/boot/device.h
+++ b/sys/arch/luna68k/stand/boot/device.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: device.h,v 1.1 2013/01/05 17:44:24 tsutsui Exp $	*/
+/*	$NetBSD: device.h,v 1.2 2013/01/13 04:39:28 tsutsui Exp $	*/
 
 /*
  * Copyright (c) 1992 OMRON Corporation.
@@ -73,10 +73,7 @@
 struct driver {
 	int	(*d_init)(void *);
 	char	*d_name;
-	int	(*d_start)(void);
-	int	(*d_go)(void);
 	int	(*d_intr)(void);
-	int	(*d_done)(void);
 };
 
 struct hp_ctlr {
diff --git a/sys/arch/luna68k/stand/boot/sc.c b/sys/arch/luna68k/stand/boot/sc.c
index 7459738c7b4a..5404108e1573 100644
--- a/sys/arch/luna68k/stand/boot/sc.c
+++ b/sys/arch/luna68k/stand/boot/sc.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: sc.c,v 1.1 2013/01/05 17:44:24 tsutsui Exp $	*/
+/*	$NetBSD: sc.c,v 1.2 2013/01/13 04:39:28 tsutsui Exp $	*/
 
 /*
  * Copyright (c) 1992 OMRON Corporation.
@@ -96,12 +96,9 @@ static void ixfer_in(struct scsidevice *, int, u_char *);
 static int scrun(int, int, u_char *, int, u_char *, int, volatile int *);
 static int scfinish(int);
 static void scabort(struct scsi_softc *, struct scsidevice *);
-static int scstart(void);
-static int scgo(void);
-static int scdone(void);
 
 struct	driver scdriver = {
-	scinit, "sc", scstart, scgo, scintr, scdone
+	scinit, "sc", scintr,
 };
 
 struct	scsi_softc scsi_softc[NSC];
@@ -522,32 +519,6 @@ scsi_format_unit(int ctlr, int slave, int unit)
 }
 
 
-/*
- * ????
- */
-
-int
-scstart(void)
-{
-
-	return 0;
-}
-
-int
-scgo(void)
-{
-
-	return 0;
-}
-
-int
-scdone(void)
-{
-
-	return 0;
-}
-
-
 /*
  * Interrupt Routine
  */
diff --git a/sys/arch/luna68k/stand/boot/sd.c b/sys/arch/luna68k/stand/boot/sd.c
index a09682f64113..9d6208ee085f 100644
--- a/sys/arch/luna68k/stand/boot/sd.c
+++ b/sys/arch/luna68k/stand/boot/sd.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: sd.c,v 1.1 2013/01/05 17:44:24 tsutsui Exp $	*/
+/*	$NetBSD: sd.c,v 1.2 2013/01/13 04:39:28 tsutsui Exp $	*/
 
 /*
  * Copyright (c) 1992 OMRON Corporation.
@@ -106,13 +106,10 @@ struct sd_devdata {
 };
  
 static int sdinit(void *);
-static int sdstart(void);
-static int sdgo(void);
-static int sdintr(void);
 static int sdident(struct sd_softc *, struct hp_device *);
 
 struct	driver sddriver = {
-	sdinit, "sd", sdstart, sdgo, sdintr,
+	sdinit, "sd", NULL,
 };
 
 struct sd_softc sd_softc[NSD];
@@ -364,27 +361,6 @@ sdstrategy(void *devdata, int func, daddr_t dblk, size_t size, void *v_buf,
 	return 0;
 }
 
-int
-sdstart(void)
-{
-
-	return 0;
-}
-
-int
-sdgo(void)
-{
-
-	return 0;
-}
-
-int
-sdintr(void)
-{
-
-	return 0;
-}
-
 #if 0
 int
 sdread(dev_t dev, u_int blk, u_int nblk, u_char *buff, u_int len)