--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -4391,13 +4391,12 @@ ath_key_update_end(struct ieee80211vap *
 static u_int32_t
 ath_calcrxfilter(struct ath_softc *sc)
 {
-#define	RX_FILTER_PRESERVE	(HAL_RX_FILTER_PHYERR | HAL_RX_FILTER_PHYRADAR)
 	struct ieee80211com *ic = &sc->sc_ic;
 	struct net_device *dev = ic->ic_dev;
 	struct ath_hal *ah = sc->sc_ah;
 	u_int32_t rfilt;
 
-	rfilt = (ath_hal_getrxfilter(ah) & RX_FILTER_PRESERVE) |
+	rfilt = ath_hal_getrxfilter(ah) |
 		 HAL_RX_FILTER_UCAST | HAL_RX_FILTER_BCAST |
 		 HAL_RX_FILTER_MCAST;
 	if (ic->ic_opmode != IEEE80211_M_STA)
@@ -4416,9 +4415,8 @@ ath_calcrxfilter(struct ath_softc *sc)
 	if (sc->sc_hasintmit && !sc->sc_needmib && ath_hal_getintmit(ah, NULL))
 		rfilt |= HAL_RX_FILTER_PHYERR;
 	if (sc->sc_curchan.privFlags & CHANNEL_DFS)
-		rfilt |= (HAL_RX_FILTER_PHYERR | HAL_RX_FILTER_PHYRADAR);
+		rfilt |= HAL_RX_FILTER_PHYRADAR;
 	return rfilt;
-#undef RX_FILTER_PRESERVE
 }
 
 /*