clrbit
clrbit(sc->sc_keymap, keyix);
clrbit(sc->sc_keymap, keyix+64); /* TX key MIC */
clrbit(sc->sc_keymap, keyix+32);
clrbit(sc->sc_keymap, keyix+32+64);
clrbit(sc->sc_staid, staid);
clrbit(bo->bo_flags, IEEE80211_BEACON_CSA);
clrbit(sc->keys_bmap, k->wk_keyix);
clrbit(sc->keys_bmap, k->wk_keyix);
clrbit(bo->bo_flags, IEEE80211_BEACON_MESHCONF);
clrbit(bo->bo_flags, IEEE80211_BEACON_WME);
clrbit(bo->bo_flags, IEEE80211_BEACON_HTINFO);
clrbit(bo->bo_flags, IEEE80211_BEACON_TIM);
clrbit(bo->bo_flags, IEEE80211_BEACON_ERP);
clrbit(bo->bo_flags, IEEE80211_BEACON_ATH);
clrbit(bo->bo_flags, IEEE80211_BEACON_APPIE);
clrbit(vap->iv_tim_bitmap, aid);
clrbit(bo->bo_flags, IEEE80211_BEACON_TDMA);
clrbit(ni->ni_rxmcs, 77);
clrbit(ni->ni_rxmcs, 78);
clrbit(ni->ni_rxmcs, 79);
clrbit(ic->ic_tim_bitmap, aid & ~0xc000);
clrbit(ic->ic_chan_scan, ieee80211_chan2ieee(ic, chan));