diff --git a/sys/alpha/conf/majors.alpha b/sys/alpha/conf/majors.alpha
index 7efa6dac8cf..c8c105fae14 100644
--- a/sys/alpha/conf/majors.alpha
+++ b/sys/alpha/conf/majors.alpha
@@ -16,7 +16,7 @@ blkdev	name		comments
 0	wd		ST506 disk controller (with IDE extensions)
 1	wfd		ATAPI Floppy client of "ata"
 2	fd		floppy disk
-3	wt		QIC-02/36 tape
+3	was:wt		QIC-02/36 tape
 4	sd		SCSI "disk" type
 5	was:st		SCSI "tape" type
 6	cd		SCSI "cdrom" type
@@ -37,7 +37,7 @@ blkdev	name		comments
 21	ccd		concatenated disk
 22	was:gd		Geometry disk.
 23	worm		SCSI "worm type"
-24	wstb		ATAPI tape client of "ata"
+24	was:wstb	ATAPI tape client of "ata"
 25	vinum		RAID fs
 26	sw		VM internal swap device
 chrdev	name		comments
diff --git a/sys/conf/majors b/sys/conf/majors
index b59527dcc8d..45fb20ca546 100644
--- a/sys/conf/majors
+++ b/sys/conf/majors
@@ -16,7 +16,7 @@ blkdev	name		comments
 0	wd		ST506 disk controller (with IDE extensions)
 1	wfd		ATAPI Floppy client of "wd"
 2	fd		floppy disk
-3	wt		QIC-02/36 tape
+3	was:wt		QIC-02/36 tape
 4	da		SCSI "direct acess" devices
 5	was:sa		SCSI "sequential access" devices
 6	cd		SCSI "cdrom" type
@@ -36,7 +36,7 @@ blkdev	name		comments
 20	??		ATA disks
 21	ccd		concatenated disk
 22	was:gd		Geometry disk.
-24	wstb		ATAPI tape client of "wd"
+24	was:wstb	ATAPI tape client of "wd"
 25	vinum		Volume manager
 26	sw		VM internal swap device
 27	myx		Mylex RAID (ulf@alameda.net)
@@ -45,7 +45,7 @@ blkdev	name		comments
 30	ad		ATA disks
 31	acd		ATAPI CDROM
 32	afd		ATAPI floppy
-33	ast		ATAPI tape
+33	was:ast		ATAPI tape
 34	i2o		Intelligent I/O Block Device
 100	??		entries from 100-127 are reserved for local use
 127	??		entries from 100-127 are reserved for local use
diff --git a/sys/i386/conf/majors.i386 b/sys/i386/conf/majors.i386
index b59527dcc8d..45fb20ca546 100644
--- a/sys/i386/conf/majors.i386
+++ b/sys/i386/conf/majors.i386
@@ -16,7 +16,7 @@ blkdev	name		comments
 0	wd		ST506 disk controller (with IDE extensions)
 1	wfd		ATAPI Floppy client of "wd"
 2	fd		floppy disk
-3	wt		QIC-02/36 tape
+3	was:wt		QIC-02/36 tape
 4	da		SCSI "direct acess" devices
 5	was:sa		SCSI "sequential access" devices
 6	cd		SCSI "cdrom" type
@@ -36,7 +36,7 @@ blkdev	name		comments
 20	??		ATA disks
 21	ccd		concatenated disk
 22	was:gd		Geometry disk.
-24	wstb		ATAPI tape client of "wd"
+24	was:wstb	ATAPI tape client of "wd"
 25	vinum		Volume manager
 26	sw		VM internal swap device
 27	myx		Mylex RAID (ulf@alameda.net)
@@ -45,7 +45,7 @@ blkdev	name		comments
 30	ad		ATA disks
 31	acd		ATAPI CDROM
 32	afd		ATAPI floppy
-33	ast		ATAPI tape
+33	was:ast		ATAPI tape
 34	i2o		Intelligent I/O Block Device
 100	??		entries from 100-127 are reserved for local use
 127	??		entries from 100-127 are reserved for local use
diff --git a/sys/pc98/conf/majors.pc98 b/sys/pc98/conf/majors.pc98
index fe20e3d09b4..3160a25f642 100644
--- a/sys/pc98/conf/majors.pc98
+++ b/sys/pc98/conf/majors.pc98
@@ -16,7 +16,7 @@ blkdev	name		comments
 0	wd		ST506 disk controller (with IDE extensions)
 1	wfd		ATAPI Floppy client of "wd"
 2	fd		floppy disk
-3	wt		QIC-02/36 tape
+3	was:wt		QIC-02/36 tape
 4	da		SCSI "direct acess" devices
 5	was:sa		SCSI "sequential access" devices
 6	cd		SCSI "cdrom" type
@@ -36,7 +36,7 @@ blkdev	name		comments
 20	??		ATA disks
 21	ccd		concatenated disk
 22	was:gd		Geometry disk.
-24	wstb		ATAPI tape client of "wd"
+24	was:wstb	ATAPI tape client of "wd"
 25	vinum		Volume manager
 26	sw		VM internal swap device
 27	myx		Mylex RAID (ulf@alameda.net)
@@ -45,7 +45,7 @@ blkdev	name		comments
 30	ad		ATA disks
 31	acd		ATAPI CDROM
 32	afd		ATAPI floppy
-33	ast		ATAPI tape
+33	was:ast		ATAPI tape
 34	i2o		Intelligent I/O Block Device
 100	??		entries from 100-127 are reserved for local use
 127	??		entries from 100-127 are reserved for local use