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;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index e635ca4..427ff6d 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -491,8 +491,7 @@
 
 #define IEEE80211_HW_WEP_INCLUDE_IV (1<<5)
 
-	/* will data nullfunc frames get proper TX status callback */
-#define IEEE80211_HW_DATA_NULLFUNC_ACK (1<<6)
+/* hole at 6 */
 
 	/* Force software encryption for TKIP packets if WMM is enabled. */
 #define IEEE80211_HW_NO_TKIP_WMM_HWACCEL (1<<7)