[MAC80211]: remove IEEE80211_HW_DATA_NULLFUNC_ACK

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c
index 73f1ebc..9db9ece 100644
--- a/drivers/net/wireless/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl8187_dev.c
@@ -606,8 +606,7 @@
 	priv->mode = IEEE80211_IF_TYPE_MGMT;
 	dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
 		     IEEE80211_HW_RX_INCLUDES_FCS |
-		     IEEE80211_HW_WEP_INCLUDE_IV |
-		     IEEE80211_HW_DATA_NULLFUNC_ACK;
+		     IEEE80211_HW_WEP_INCLUDE_IV;
 	dev->extra_tx_headroom = sizeof(struct rtl8187_tx_hdr);
 	dev->queues = 1;
 	dev->max_rssi = 65;