diff --git a/sys/dev/bge/if_bgereg.h b/sys/dev/bge/if_bgereg.h
index 6ea78b17b4c..58fe8040be3 100644
--- a/sys/dev/bge/if_bgereg.h
+++ b/sys/dev/bge/if_bgereg.h
@@ -3073,11 +3073,3 @@ struct bge_softc {
 #define	BGE_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->bge_mtx, MA_OWNED)
 #define	BGE_UNLOCK(_sc)		mtx_unlock(&(_sc)->bge_mtx)
 #define	BGE_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->bge_mtx)
-
-#ifdef BUS_SPACE_MAXADDR
-#if (BUS_SPACE_MAXADDR > 0xFFFFFFFF)
-#define	BGE_DMA_BOUNDARY	(0x100000000)
-#else
-#define	BGE_DMA_BOUNDARY	0
-#endif
-#endif