diff --git a/sys/arch/mac68k/dev/zs.c b/sys/arch/mac68k/dev/zs.c
index 3f0627ee26ff..73b635d7e5ef 100644
--- a/sys/arch/mac68k/dev/zs.c
+++ b/sys/arch/mac68k/dev/zs.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: zs.c,v 1.44 2003/12/04 13:05:16 keihan Exp $	*/
+/*	$NetBSD: zs.c,v 1.45 2004/12/14 16:28:00 christos Exp $	*/
 
 /*
  * Copyright (c) 1996-1998 Bill Studenmund
@@ -54,7 +54,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: zs.c,v 1.44 2003/12/04 13:05:16 keihan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: zs.c,v 1.45 2004/12/14 16:28:00 christos Exp $");
 
 #include "opt_ddb.h"
 #include "opt_mac68k.h"
@@ -145,7 +145,7 @@ int	zs_cons_canabort = 0;
 /* device to which the console is attached--if serial. */
 dev_t	mac68k_zsdev;
 /* Mac stuff */
-volatile unsigned char *sccA = 0;
+extern volatile unsigned char *sccA;
 
 int	zs_cn_check_speed __P((int bps));
 
diff --git a/sys/arch/mac68k/mac68k/machdep.c b/sys/arch/mac68k/mac68k/machdep.c
index 187e4acc7df0..320453e1c199 100644
--- a/sys/arch/mac68k/mac68k/machdep.c
+++ b/sys/arch/mac68k/mac68k/machdep.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: machdep.c,v 1.299 2004/08/02 03:44:39 scottr Exp $	*/
+/*	$NetBSD: machdep.c,v 1.300 2004/12/14 16:28:00 christos Exp $	*/
 
 /*
  * Copyright (c) 1982, 1990 The Regents of the University of California.
@@ -107,7 +107,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.299 2004/08/02 03:44:39 scottr Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.300 2004/12/14 16:28:00 christos Exp $");
 
 #include "opt_adb.h"
 #include "opt_ddb.h"
@@ -279,6 +279,12 @@ void	nmihand __P((struct frame));
  */
 cpu_kcore_hdr_t cpu_kcore_hdr;
 
+/*
+ * XXX: For zs serial driver. We always initialize the base address
+ * to avoid a bunch of #ifdefs.
+ */
+volatile unsigned char *sccA = 0;
+
 /*
  * Early initialization, before main() is called.
  */
@@ -2267,9 +2273,6 @@ void
 mac68k_set_io_offsets(base)
 	vaddr_t base;
 {
-#if NZSC > 0
-	extern volatile u_char *sccA;
-#endif
 
 	switch (current_mac_model->class) {
 	case MACH_CLASSQ: