diff --git a/sys/dev/rtwn/rtl8812a/r12a_tx.c b/sys/dev/rtwn/rtl8812a/r12a_tx.c
--- a/sys/dev/rtwn/rtl8812a/r12a_tx.c
+++ b/sys/dev/rtwn/rtl8812a/r12a_tx.c
@@ -60,11 +60,14 @@
 static int
 r12a_get_primary_channel(struct rtwn_softc *sc, struct ieee80211_channel *c)
 {
+#if 0
 	/* XXX VHT80; VHT40 */
 	if (IEEE80211_IS_CHAN_HT40U(c))
 		return (R12A_TXDW5_PRIM_CHAN_20_80_2);
 	else
 		return (R12A_TXDW5_PRIM_CHAN_20_80_3);
+#endif
+	return 0;
 }
 
 static void