diff --git a/sys/libkern/quad.h b/sys/libkern/quad.h
index 873a1f6bde0a..41c52ec275b3 100644
--- a/sys/libkern/quad.h
+++ b/sys/libkern/quad.h
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)quad.h	8.1 (Berkeley) 6/4/93
- *	$Id$
+ *	$Id: quad.h,v 1.3 1995/12/26 13:24:48 bde Exp $
  */
 
 /*
@@ -54,6 +54,7 @@
  * with 48-bit longs.
  */
 
+#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <limits.h>
 
diff --git a/sys/scsi/scsi_sense.c b/sys/scsi/scsi_sense.c
index 8a41954324af..452d75ed0f1c 100644
--- a/sys/scsi/scsi_sense.c
+++ b/sys/scsi/scsi_sense.c
@@ -1,4 +1,4 @@
-#include <sys/types.h>
+#include <sys/param.h>
 
 #include <scsi/scsiconf.h>
 
diff --git a/sys/scsi/su.c b/sys/scsi/su.c
index 5852154064ee..d6f056e2ae9a 100644
--- a/sys/scsi/su.c
+++ b/sys/scsi/su.c
@@ -44,14 +44,14 @@
  * SUCH DAMAGE.
  *End copyright
  *
- *      $Id: su.c,v 1.12 1995/12/10 20:34:53 bde Exp $
+ *      $Id: su.c,v 1.13 1995/12/14 19:13:36 bde Exp $
  *
  * Tabstops 4
  * XXX devfs entries for this device should be handled by generic scsiconfig
  * Add a bdevsw interface.. ?
  */
 
-#include <sys/types.h>
+#include <sys/param.h>
 #include <sys/conf.h>
 #include <sys/errno.h>
 #include <sys/stat.h>
diff --git a/sys/sys/libkern.h b/sys/sys/libkern.h
index 6e4ccd711b8b..918265b00839 100644
--- a/sys/sys/libkern.h
+++ b/sys/sys/libkern.h
@@ -31,12 +31,13 @@
  * SUCH DAMAGE.
  *
  *	@(#)libkern.h	8.1 (Berkeley) 6/10/93
- * $Id: libkern.h,v 1.8 1995/11/09 20:20:00 phk Exp $
+ * $Id: libkern.h,v 1.9 1996/01/16 10:22:17 bde Exp $
  */
 
 #ifndef _SYS_LIBKERN_H_
 #define	_SYS_LIBKERN_H_
 
+#include <sys/cdefs.h>
 #include <sys/types.h>
 
 /* BCD conversions. */