diff --git a/sys/dev/sfxge/common/efsys.h b/sys/dev/sfxge/common/efsys.h
index c6729cab875d..b44daca72cdd 100644
--- a/sys/dev/sfxge/common/efsys.h
+++ b/sys/dev/sfxge/common/efsys.h
@@ -211,6 +211,8 @@ sfxge_map_mbuf_fast(bus_dma_tag_t tag, bus_dmamap_t map,
 #define	__out_ecount_opt(_n)
 #define	__out_bcount(_n)
 #define	__out_bcount_opt(_n)
+#define	__out_bcount_part(_n, _l)
+#define	__out_bcount_part_opt(_n, _l)
 
 #define	__deref_out