diff --git a/sys/conf/files b/sys/conf/files
index 614754b30cdf..523eb6b11ae1 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -13,6 +13,7 @@ aic7xxx_{seq,reg}.h		optional	ahc	device-driver	   \
 	no-obj no-implicit-rule before-depend				   \
 	clean		"aic7xxx_seq.h aic7xxx_reg.h"			   \
 	dependency	"$S/dev/aic7xxx/aic7xxx.{reg,seq} $S/cam/scsi/scsi_message.h aicasm"
+kern/subr_rman.c		standard
 kern/subr_bus.c			standard				\
 	dependency	"device_if.h bus_if.h"
 device_if.o			standard				\