diff --git a/sys/cam/cam_xpt.h b/sys/cam/cam_xpt.h
index 2f3f22e713c..8860e001379 100644
--- a/sys/cam/cam_xpt.h
+++ b/sys/cam/cam_xpt.h
@@ -32,8 +32,10 @@
 #ifndef _CAM_CAM_XPT_H
 #define _CAM_CAM_XPT_H 1
 
+#ifdef _KERNEL
 #include <sys/cdefs.h>
 #include "opt_printf.h"
+#endif
 
 /* Forward Declarations */
 union ccb;