diff --git a/sys/cam/cam_ccb.h b/sys/cam/cam_ccb.h
index a6b12b6a3584..07ccb262023d 100644
--- a/sys/cam/cam_ccb.h
+++ b/sys/cam/cam_ccb.h
@@ -1516,11 +1516,13 @@ cam_ccb_status(union ccb *ccb)
 	return ((cam_status)(ccb->ccb_h.status & CAM_STATUS_MASK));
 }
 
+#ifdef _KERNEL
 static inline bool
 cam_ccb_success(union ccb *ccb)
 {
 	return (cam_ccb_status(ccb) == CAM_REQ_CMP);
 }
+#endif
 
 void cam_calc_geometry(struct ccb_calc_geometry *ccg, int extended);