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diff --git a/scsi/rz.h b/scsi/rz.h
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--- a/scsi/rz.h
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-/*
- * Mach Operating System
- * Copyright (c) 1991,1990 Carnegie Mellon University
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
-/*
- * File: rz.h
- * Author: Alessandro Forin, Carnegie Mellon University
- * Date: 9/90
- *
- * Mapping between U*x-like indexing and controller+slave
- * Each controller handles at most 8 slaves, few controllers.
- */
-
-#if 0
-#define rzcontroller(dev) (((dev)>>6)&0x3)
-#define rzslave(dev) (((dev)>>3)&0x7)
-#endif 0
-#define rzcontroller(dev) (((dev)>>13)&0x3)
-#define rzslave(dev) (((dev)>>10)&0x7)
-
-#if 0
-#define rzpartition(dev) ((PARTITION_TYPE(dev)==0xf)?MAXPARTITIONS:((dev)&0x7))
-#endif 0
-#define rzpartition(dev) ((dev)&0x3ff)
-
-/* To address the full 256 luns use upper bits 8..12 */
-/* NOTE: Under U*x this means the next major up.. what a mess */
-#define rzlun(dev) (((dev)&0x7) | (((dev)>>5)&0xf8))
-
-/* note: whatever this was used for is no longer cared about -- Kevin */
-#define PARTITION_TYPE(dev) (((dev)>>24)&0xf)
-#define PARTITION_ABSOLUTE (0xf<<24)
-
-#ifdef MACH_KERNEL
-#else /*MACH_KERNEL*/
-#define tape_unit(dev) ((((dev)&0xe0)>>3)|((dev)&0x3))
-#define TAPE_UNIT(dev) ((dev)&(~0xff))|(tape_unit((dev))<<3)
-#define TAPE_REWINDS(dev) (((dev)&0x1c)==0)||(((dev)&0x1c)==8)
-#endif /*MACH_KERNEL*/