diff --git a/sys/i386/include/privatespace.h b/sys/i386/include/privatespace.h
deleted file mode 100644
index 5eb54c224f9a..000000000000
--- a/sys/i386/include/privatespace.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*-
- * Copyright (c) Peter Wemm
- * All rights reserved.
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- *
- * $FreeBSD$
- */
-
-#ifndef _MACHINE_PRIVATESPACE_H_
-#define _MACHINE_PRIVATESPACE_H_
-
-/*
- * This is the upper (0xff800000) address space layout that is per-cpu.
- * It is setup in locore.s and pmap.c for the BSP and in mp_machdep.c for
- * each AP.  This is only applicable to the x86 SMP kernel.
- */
-struct privatespace {
-	/* page 0 - data page */
-	struct	pcpu pcpu;
-	char	__filler0[PAGE_SIZE - sizeof(struct pcpu)];
-
-	/* page 1 - idle stack (KSTACK_PAGES pages) */
-	char	idlekstack[KSTACK_PAGES * PAGE_SIZE];
-	/* page 1+KSTACK_PAGES... */
-};
-
-extern struct privatespace SMP_prvspace[];
-
-#endif	/* ! _MACHINE_PRIVATESPACE_H_ */
diff --git a/sys/pc98/include/privatespace.h b/sys/pc98/include/privatespace.h
deleted file mode 100644
index 5db57c3230e9..000000000000
--- a/sys/pc98/include/privatespace.h
+++ /dev/null
@@ -1,6 +0,0 @@
-/*-
- * This file is in the public domain.
- */
-/* $FreeBSD$ */
-
-#include <i386/privatespace.h>