diff --git a/sys/mips/cavium/obiovar.h b/sys/mips/cavium/obiovar.h
index ab8b6b225b4c..3b58fe631ad0 100644
--- a/sys/mips/cavium/obiovar.h
+++ b/sys/mips/cavium/obiovar.h
@@ -47,12 +47,9 @@ struct obio_softc {
 	bus_space_tag_t oba_st;		/* bus space tag */
 	bus_addr_t oba_addr;		/* address of device */
 	bus_size_t oba_size;		/* size of device */
-	int oba_width;			/* bus width */
-	int oba_irq;			/* XINT interrupt bit # */
 	struct rman oba_rman;
 	struct rman oba_irq_rman;
 	
 };
-extern struct bus_space obio_bs_tag;
 
 #endif /* _OCTEON_OBIOVAR_H_ */