diff --git a/sys/pc98/cbus/clock.c b/sys/pc98/cbus/clock.c
index 1225f3157d4c..067257d77e1e 100644
--- a/sys/pc98/cbus/clock.c
+++ b/sys/pc98/cbus/clock.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.64 1998/10/23 13:13:43 kato Exp $
+ *	$Id: clock.c,v 1.65 1998/12/17 08:54:47 kato Exp $
  */
 
 /*
@@ -1077,7 +1077,9 @@ void
 inittodr(time_t base)
 {
 	unsigned long	sec, days;
+#ifndef PC98
 	int		yd;
+#endif
 	int		year, month;
 	int		y, m, s;
 	struct timespec ts;
diff --git a/sys/pc98/cbus/pcrtc.c b/sys/pc98/cbus/pcrtc.c
index 1225f3157d4c..067257d77e1e 100644
--- a/sys/pc98/cbus/pcrtc.c
+++ b/sys/pc98/cbus/pcrtc.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.64 1998/10/23 13:13:43 kato Exp $
+ *	$Id: clock.c,v 1.65 1998/12/17 08:54:47 kato Exp $
  */
 
 /*
@@ -1077,7 +1077,9 @@ void
 inittodr(time_t base)
 {
 	unsigned long	sec, days;
+#ifndef PC98
 	int		yd;
+#endif
 	int		year, month;
 	int		y, m, s;
 	struct timespec ts;
diff --git a/sys/pc98/pc98/clock.c b/sys/pc98/pc98/clock.c
index 1225f3157d4c..067257d77e1e 100644
--- a/sys/pc98/pc98/clock.c
+++ b/sys/pc98/pc98/clock.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.64 1998/10/23 13:13:43 kato Exp $
+ *	$Id: clock.c,v 1.65 1998/12/17 08:54:47 kato Exp $
  */
 
 /*
@@ -1077,7 +1077,9 @@ void
 inittodr(time_t base)
 {
 	unsigned long	sec, days;
+#ifndef PC98
 	int		yd;
+#endif
 	int		year, month;
 	int		y, m, s;
 	struct timespec ts;