diff --git a/sys/dev/sfxge/common/siena_nic.c b/sys/dev/sfxge/common/siena_nic.c
index b809a4d4d95..e4a8924900e 100644
--- a/sys/dev/sfxge/common/siena_nic.c
+++ b/sys/dev/sfxge/common/siena_nic.c
@@ -37,6 +37,8 @@ __FBSDID("$FreeBSD$");
 
 #if EFSYS_OPT_SIENA
 
+#if EFSYS_OPT_VPD || EFSYS_OPT_NVRAM
+
 static	__checkReturn		efx_rc_t
 siena_nic_get_partn_mask(
 	__in			efx_nic_t *enp,
@@ -78,6 +80,8 @@ fail1:
 	return (rc);
 }
 
+#endif /* EFSYS_OPT_VPD || EFSYS_OPT_NVRAM */
+
 static	__checkReturn	efx_rc_t
 siena_board_cfg(
 	__in		efx_nic_t *enp)