diff --git a/sys/pc98/i386/machdep.c b/sys/pc98/i386/machdep.c
index 004120efa869..a80fee7931c6 100644
--- a/sys/pc98/i386/machdep.c
+++ b/sys/pc98/i386/machdep.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)machdep.c	7.4 (Berkeley) 6/3/91
- *	$Id: machdep.c,v 1.73 1998/01/30 12:03:13 kato Exp $
+ *	$Id: machdep.c,v 1.74 1998/02/04 10:19:33 kato Exp $
  */
 
 #include "apm.h"
@@ -43,6 +43,7 @@
 #include "opt_bounce.h"
 #include "opt_cpu.h"
 #include "opt_ddb.h"
+#include "opt_diagnostic.h"
 #include "opt_maxmem.h"
 #include "opt_perfmon.h"
 #include "opt_smp.h"
diff --git a/sys/pc98/i386/trap.c b/sys/pc98/i386/trap.c
index ae925e699066..f3c9a3a2b0fb 100644
--- a/sys/pc98/i386/trap.c
+++ b/sys/pc98/i386/trap.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)trap.c	7.4 (Berkeley) 5/13/91
- *	$Id: trap.c,v 1.42 1997/12/06 06:19:19 kato Exp $
+ *	$Id: trap.c,v 1.43 1998/01/31 15:16:27 kato Exp $
  */
 
 /*
@@ -44,6 +44,7 @@
 
 #include "opt_cpu.h"
 #include "opt_ddb.h"
+#include "opt_diagnostic.h"
 #include "opt_ktrace.h"
 #include "opt_trap.h"
 #include "opt_vm86.h"
diff --git a/sys/pc98/pc98/machdep.c b/sys/pc98/pc98/machdep.c
index 004120efa869..a80fee7931c6 100644
--- a/sys/pc98/pc98/machdep.c
+++ b/sys/pc98/pc98/machdep.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)machdep.c	7.4 (Berkeley) 6/3/91
- *	$Id: machdep.c,v 1.73 1998/01/30 12:03:13 kato Exp $
+ *	$Id: machdep.c,v 1.74 1998/02/04 10:19:33 kato Exp $
  */
 
 #include "apm.h"
@@ -43,6 +43,7 @@
 #include "opt_bounce.h"
 #include "opt_cpu.h"
 #include "opt_ddb.h"
+#include "opt_diagnostic.h"
 #include "opt_maxmem.h"
 #include "opt_perfmon.h"
 #include "opt_smp.h"