diff --git a/sys/dev/scsipi/atapi_disk.h b/sys/dev/scsipi/atapi_disk.h
deleted file mode 100644
index ad9727046efc..000000000000
--- a/sys/dev/scsipi/atapi_disk.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/*	$NetBSD: atapi_disk.h,v 1.5 2003/09/17 19:14:56 mycroft Exp $	*/
-
-/*
- * Copyright 1998
- * Digital Equipment Corporation. All rights reserved.
- *
- * This software is furnished under license and may be used and
- * copied only in accordance with the following terms and conditions.
- * Subject to these conditions, you may download, copy, install,
- * use, modify and distribute this software in source and/or binary
- * form. No title or ownership is transferred hereby.
- *
- * 1) Any source code used, modified or distributed must reproduce
- *    and retain this copyright notice and list of conditions as
- *    they appear in the source file.
- *
- * 2) No right is granted to use any trade name, trademark, or logo of
- *    Digital Equipment Corporation. Neither the "Digital Equipment
- *    Corporation" name nor any trademark or logo of Digital Equipment
- *    Corporation may be used to endorse or promote products derived
- *    from this software without the prior written permission of
- *    Digital Equipment Corporation.
- *
- * 3) This software is provided "AS-IS" and any express or implied
- *    warranties, including but not limited to, any implied warranties
- *    of merchantability, fitness for a particular purpose, or
- *    non-infringement are disclaimed. In no event shall DIGITAL be
- *    liable for any damages whatsoever, and in particular, DIGITAL
- *    shall not be liable for special, indirect, consequential, or
- *    incidental damages or damages for lost profits, loss of
- *    revenue or loss of use, whether such damages arise in contract,
- *    negligence, tort, under statute, in equity, at law or otherwise,
- *    even if advised of the possibility of such damage.
- */
-
-/*
- * Definitions of commands and structures specific to ATAPI disks.
- *
- * Chris Demetriou, January 10, 1998.
- */
-
-#define ATAPI_READ_FORMAT_CAPACITIES	0x23
-struct atapi_read_format_capacities {
-	u_int8_t opcode;
-	u_int8_t byte2;
-	u_int8_t reserved1[5];
-	u_int8_t length[2];
-	u_int8_t reserved2[3];
-};
-
-struct atapi_capacity_list_header {
-	u_int8_t reserved[3];
-	u_int8_t length;
-};
-
-struct atapi_capacity_descriptor {
-	u_int8_t nblks[4];
-	u_int8_t byte5;
-	u_int8_t blklen[3];
-};
-
-/* codes only valid in the current/maximum capacity descriptor */
-#define	ATAPI_CAP_DESC_CODE_MASK	0x3
-#define	ATAPI_CAP_DESC_CODE_RESERVED	0x0
-#define	ATAPI_CAP_DESC_CODE_UNFORMATTED	0x1
-#define	ATAPI_CAP_DESC_CODE_FORMATTED	0x2
-#define	ATAPI_CAP_DESC_CODE_NONE	0x3
-
-#define	ATAPI_CAP_DESC_SIZE(n)						\
-    (sizeof(struct atapi_capacity_list_header) +			\
-    (n) * sizeof(struct atapi_capacity_descriptor))
-#define ATAPI_CAP_DESC_OFFSET_HEADER	0
-#define ATAPI_CAP_DESC_OFFSET_DESC(n)	ATAPI_CAP_DESC_SIZE(n)
-
-struct atapi_flex_geometry_page {
-	u_int8_t pg_code;		/* page code */
-	u_int8_t pg_length;		/* page length */
-	u_int8_t xfr_rate[2];		/* transfer rate, Kb/sec */
-	u_int8_t nheads;		/* number of heads */
-	u_int8_t ph_sec_tr;		/* physical sectors per track */
-	u_int8_t blklen[2];		/* block length (bytes per sector) */
-	u_int8_t ncyl[2];		/* number of cylinders */
-	u_int8_t reserved1[18];
-	u_int8_t rot_rate[2];		/* medium rotation rate (RPM) */
-};
-
-#define ATAPI_FLEX_GEOMETRY_PAGE	0x05
-
-union atapi_sd_pages {
-	u_int8_t page_code;
-	struct atapi_flex_geometry_page flex_geometry;
-};
-
-struct atapi_sd_mode_data {
-	struct scsipi_mode_header_big header;
-	union atapi_sd_pages pages;
-};
-
-#define FLEXGEOMETRYPAGESIZE \
-	(sizeof(struct scsipi_mode_header_big) + sizeof(struct atapi_flex_geometry_page))