--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -5344,27 +5344,6 @@ ath_beacon_send(struct ath_softc *sc, in
 	} else if ((sc->sc_updateslot == COMMIT) && (sc->sc_slotupdate == slot))
 		ath_setslottime(sc);		/* commit change to hardware */
 
-	if ((!sc->sc_stagbeacons || slot == 0) && (!sc->sc_diversity)) {
-		unsigned int otherant;
-		/*
-		 * Check recent per-antenna transmit statistics and flip
-		 * the default rx antenna if noticeably more frames went out
-		 * on the non-default antenna.  Only do this if rx diversity
-		 * is off.
-		 * XXX assumes 2 antennae
-		 */
-		otherant = sc->sc_defant & 1 ? 2 : 1;
-		if (sc->sc_ant_tx[otherant] > sc->sc_ant_tx[sc->sc_defant] + 
-				ATH_ANTENNA_DIFF) {
-			DPRINTF(sc, ATH_DEBUG_BEACON,
-				"Flip default antenna to %u, %u > %u\n",
-				otherant, sc->sc_ant_tx[otherant],
-				sc->sc_ant_tx[sc->sc_defant]);
-			ath_setdefantenna(sc, otherant);
-		}
-		sc->sc_ant_tx[1] = sc->sc_ant_tx[2] = 0;
-	}
-
 	if (bfaddr != 0) {
 		/*
 		 * Stop any current DMA and put the new frame(s) on the queue.
