diff --git a/sys/conf/files b/sys/conf/files
index c94d645926d0..cd70e1cd7595 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -797,7 +797,7 @@ pccard/pcic.c		optional pcic card
 pci/amd.c		optional amd
 pci/pcic_p.c		optional pcic pci
 dev/bktr/bktr_core.c	optional bktr pci
-dev/bktr/bktr_i2c.c	optional bktr pci
+dev/bktr/bktr_i2c.c	optional bktr pci smbus
 dev/bktr/bktr_card.c	optional bktr pci
 dev/bktr/bktr_tuner.c	optional bktr pci
 dev/bktr/bktr_audio.c	optional bktr pci
diff --git a/sys/dev/bktr/bktr_i2c.c b/sys/dev/bktr/bktr_i2c.c
index 6f500ffdd504..039d008d6e30 100644
--- a/sys/dev/bktr/bktr_i2c.c
+++ b/sys/dev/bktr/bktr_i2c.c
@@ -34,9 +34,6 @@
  */
 
 #include "bktr.h"
-#include "smbus.h"
-
-#if (NBKTR > 0 && NSMBUS > 0)
 
 #include <sys/param.h>
 #include <sys/kernel.h>
@@ -422,4 +419,3 @@ bti2c_smb_readb(device_t dev, u_char slave, char cmd, char *byte)
 }
 
 DRIVER_MODULE(bti2c, root, bti2c_driver, bti2c_devclass, 0, 0);
-#endif