diff --git a/sys/dev/cardbus/if_ex_cardbus.c b/sys/dev/cardbus/if_ex_cardbus.c
index adb41c8949cc..b4599238596a 100644
--- a/sys/dev/cardbus/if_ex_cardbus.c
+++ b/sys/dev/cardbus/if_ex_cardbus.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_ex_cardbus.c,v 1.53 2010/03/22 17:23:44 dyoung Exp $	*/
+/*	$NetBSD: if_ex_cardbus.c,v 1.54 2010/03/22 23:03:30 dyoung Exp $	*/
 
 /*
  * Copyright (c) 1998 and 1999
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ex_cardbus.c,v 1.53 2010/03/22 17:23:44 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ex_cardbus.c,v 1.54 2010/03/22 23:03:30 dyoung Exp $");
 
 /* #define EX_DEBUG 4 */	/* define to report information for debugging */
 
@@ -221,7 +221,6 @@ ex_cardbus_attach(device_t parent, device_t self, void *aux)
 
 	sc->sc_dev = self;
 
-	sc->ex_bustype = EX_BUS_CARDBUS;
 	sc->sc_dmat = ca->ca_dmat;
 	csc->sc_ct = ca->ca_ct;
 	csc->sc_intrline = ca->ca_intrline;
diff --git a/sys/dev/ic/elinkxlvar.h b/sys/dev/ic/elinkxlvar.h
index bcfc8e3d7668..ed33fdfa396b 100644
--- a/sys/dev/ic/elinkxlvar.h
+++ b/sys/dev/ic/elinkxlvar.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: elinkxlvar.h,v 1.21 2010/03/22 17:11:19 dyoung Exp $	*/
+/*	$NetBSD: elinkxlvar.h,v 1.22 2010/03/22 23:03:30 dyoung Exp $	*/
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -109,11 +109,6 @@ struct ex_softc {
 #define EX_FLAGS_POWERMGMT		0x2000
 #define EX_FLAGS_ATTACHED		0x4000	/* attach has succeeded */
 
-	u_char	ex_bustype;		/* parent bus type (currently unused) */
-
-#define EX_BUS_PCI	0
-#define EX_BUS_CARDBUS	1
-
 #if NRND > 0
 	rndsource_element_t rnd_source;
 #endif
diff --git a/sys/dev/pci/if_ex_pci.c b/sys/dev/pci/if_ex_pci.c
index b545b67a369e..c3c6f754c085 100644
--- a/sys/dev/pci/if_ex_pci.c
+++ b/sys/dev/pci/if_ex_pci.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_ex_pci.c,v 1.52 2010/03/22 17:20:42 dyoung Exp $	*/
+/*	$NetBSD: if_ex_pci.c,v 1.53 2010/03/22 23:03:30 dyoung Exp $	*/
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ex_pci.c,v 1.52 2010/03/22 17:20:42 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ex_pci.c,v 1.53 2010/03/22 23:03:30 dyoung Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -233,7 +233,6 @@ ex_pci_attach(device_t parent, device_t self, void *aux)
 
 	sc->sc_dmat = pa->pa_dmat;
 
-	sc->ex_bustype = EX_BUS_PCI;
 	sc->ex_conf = epp->epp_flags;
 
 	/* Enable the card. */