diff --git a/lib/libc/arm/SYS.h b/lib/libc/arm/SYS.h
--- a/lib/libc/arm/SYS.h
+++ b/lib/libc/arm/SYS.h
@@ -39,7 +39,6 @@
 
 #include <machine/asm.h>
 #include <sys/syscall.h>
-#include <machine/swi.h>
 
 #define SYSTRAP(x)							\
 			mov ip, r7;					\
diff --git a/sys/arm/include/swi.h b/sys/arm/include/swi.h
deleted file mode 100644
--- a/sys/arm/include/swi.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*	$NetBSD: swi.h,v 1.1 2002/01/13 15:03:06 bjh21 Exp $	*/
-/* $FreeBSD$ */
-
-/*-
- * This file is in the Public Domain.
- * Ben Harris, 2002.
- */
-
-#ifndef _MACHINE_SWI_H_
-#define _MACHINE_SWI_H_
-
-#define SWI_OS_MASK	0xf00000
-#define SWI_OS_RISCOS	0x000000
-#define SWI_OS_RISCIX	0x800000
-#define SWI_OS_LINUX	0x900000
-#define SWI_OS_NETBSD	0xa00000
-#define SWI_OS_ARM	0xf00000
-
-#define SWI_IMB		0xf00000
-#define SWI_IMBrange	0xf00001
-
-#endif /* !_MACHINE_SWI_H_ */