diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index bfdc8a8871830b5ccb63aa848d69d8121d3745b0..d2224564d9875573d40b929a8708c27e4746f330 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -769,11 +769,6 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
 	hw->channel_change_time = 5000;
 	hw->max_listen_interval = 10;
 
-	if (AR_SREV_9271(priv->ah))
-		hw->max_tx_aggregation_subframes = MAX_TX_AMPDU_SUBFRAMES_9271;
-	else
-		hw->max_tx_aggregation_subframes = MAX_TX_AMPDU_SUBFRAMES_7010;
-
 	hw->vif_data_size = sizeof(struct ath9k_htc_vif);
 	hw->sta_data_size = sizeof(struct ath9k_htc_sta);
 
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 6eedabbf18921b0ca8e86376d5eaf3aea309d6d9..bee100e06e786aca6064bef8e4c9ddff42985db1 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -581,7 +581,7 @@ int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
 	memset(&tcap, 0, sizeof(struct ath9k_htc_cap_target));
 
 	tcap.ampdu_limit = cpu_to_be32(0xffff);
-	tcap.ampdu_subframes = priv->hw->max_tx_aggregation_subframes;
+	tcap.ampdu_subframes = 0xff;
 	tcap.enable_coex = enable_coex;
 	tcap.tx_chainmask = priv->ah->caps.tx_chainmask;