diff --git a/itlwm/hal_iwm/mac80211.cpp b/itlwm/hal_iwm/mac80211.cpp
index 7502f9c8..0ffa11af 100644
--- a/itlwm/hal_iwm/mac80211.cpp
+++ b/itlwm/hal_iwm/mac80211.cpp
@@ -4806,7 +4806,7 @@ iwm_attach(struct iwm_softc *sc, struct pci_attach_args *pa)
     ic->ic_ampdu_params = (IEEE80211_AMPDU_PARAM_SS_4 | 0x3 /* 64k */);
     ic->ic_caps |= (IEEE80211_C_QOS | IEEE80211_C_TX_AMPDU | IEEE80211_C_AMSDU_IN_AMPDU);
     ic->ic_caps |= IEEE80211_C_SUPPORTS_VHT_EXT_NSS_BW;
-#if 1
+#if 0
     ic->ic_caps |= IEEE80211_C_TX_AMPDU_SETUP_IN_RS;
 #endif