diff --git a/sys/arch/alpha/include/eisa_machdep.h b/sys/arch/alpha/include/eisa_machdep.h
deleted file mode 100644
index e69de29bb2d1..000000000000
diff --git a/sys/arch/alpha/include/isa_machdep.h b/sys/arch/alpha/include/isa_machdep.h
deleted file mode 100644
index a5636e42f516..000000000000
--- a/sys/arch/alpha/include/isa_machdep.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*	$NetBSD: isa_machdep.h,v 1.1 1995/11/23 02:36:11 cgd Exp $	*/
-
-/*
- * Copyright (c) 1995 Carnegie-Mellon University.
- * All rights reserved.
- *
- * Author: Chris G. Demetriou
- *
- * 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 the
- * rights to redistribute these changes.
- */
-
-/* not	__ISA_MACHDEP_PIO_DEFINITIONS__ */
-/* not	__ISA_MACHDEP_MEM_DEFINITIONS__ */