diff --git a/sys/sun4v/include/endian.h b/sys/sun4v/include/endian.h
index 17447844ac44..c28b04fed2cd 100644
--- a/sys/sun4v/include/endian.h
+++ b/sys/sun4v/include/endian.h
@@ -1,122 +1,7 @@
 /*-
- * Copyright (c) 1987, 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
+ * This file is in the public domain.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)endian.h	8.1 (Berkeley) 6/10/93
  * $FreeBSD$
  */
 
-#ifndef _MACHINE_ENDIAN_H_
-#define	_MACHINE_ENDIAN_H_
-
-#include <sys/cdefs.h>
-#include <sys/_types.h>
-
-/*
- * Define the order of 32-bit words in 64-bit words.
- */
-#define	_QUAD_HIGHWORD 0
-#define	_QUAD_LOWWORD 1
-
-/*
- * Definitions for byte order, according to byte significance from low
- * address to high.
- */
-#define	_LITTLE_ENDIAN	1234	/* LSB first: i386, vax */
-#define	_BIG_ENDIAN	4321	/* MSB first: 68000, ibm, net */
-#define	_PDP_ENDIAN	3412	/* LSB first in word, MSW first in long */
-
-#define	_BYTE_ORDER	_BIG_ENDIAN
-
-/*
- * Deprecated variants that don't have enough underscores to be useful in more
- * strict namespaces.
- */
-#if __BSD_VISIBLE
-#define	LITTLE_ENDIAN	_LITTLE_ENDIAN
-#define	BIG_ENDIAN	_BIG_ENDIAN
-#define	PDP_ENDIAN	_PDP_ENDIAN
-#define	BYTE_ORDER	_BYTE_ORDER
-#endif
-
-#if defined(__GNUCLIKE_BUILTIN_CONSTANT_P) && defined(__OPTIMIZE__)
-#define	__is_constant(x)	__builtin_constant_p(x)
-#else
-#define	__is_constant(x)	0
-#endif
-
-#define	__bswap16_const(x)	((((x) >> 8) & 0xff) |			\
-	(((x) << 8) & 0xff00))
-#define	__bswap32_const(x)	((((x) >> 24) & 0xff) |			\
-	(((x) >> 8) & 0xff00) | (((x) << 8) & 0xff0000) |		\
-	(((x) << 24) & 0xff000000))
-#define	__bswap64_const(x)	((((x) >> 56) & 0xff) |			\
-	(((x) >> 40) & 0xff00) | (((x) >> 24) & 0xff0000) |		\
-	(((x) >> 8) & 0xff000000) |					\
-	(((x) << 8) & ((__uint64_t)0xff << 32)) |			\
-	(((x) << 24) & ((__uint64_t)0xff << 40)) |			\
-	(((x) << 40) & ((__uint64_t)0xff << 48)) |			\
-	(((x) << 56) & ((__uint64_t)0xff << 56)))
-
-static __inline __uint16_t
-__bswap16_var(__uint16_t _x)
-{
-
-	return ((_x >> 8) | ((_x << 8) & 0xff00));
-}
-
-static __inline __uint32_t
-__bswap32_var(__uint32_t _x)
-{
-
-	return ((_x >> 24) | ((_x >> 8) & 0xff00) | ((_x << 8) & 0xff0000) |
-	    ((_x << 24) & 0xff000000));
-}
-
-static __inline __uint64_t
-__bswap64_var(__uint64_t _x)
-{
-
-	return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) |
-	    ((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) |
-	    ((_x << 24) & ((__uint64_t)0xff << 40)) |
-	    ((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56)));
-}
-
-#define	__bswap16(x)	(__is_constant(x) ? __bswap16_const(x) : \
-	__bswap16_var(x))
-#define	__bswap32(x)	(__is_constant(x) ? __bswap32_const(x) : \
-	__bswap32_var(x))
-#define	__bswap64(x)	(__is_constant(x) ? __bswap64_const(x) : \
-	__bswap64_var(x))
-
-#define	__htonl(x)	((__uint32_t)(x))
-#define	__htons(x)	((__uint16_t)(x))
-#define	__ntohl(x)	((__uint32_t)(x))
-#define	__ntohs(x)	((__uint16_t)(x))
-
-#endif /* !_MACHINE_ENDIAN_H_ */
+#include <sparc64/endian.h>