diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 6e20e9c94b3c956b4628817e08b0834f5e720500..1bf86d2df23fd9b84219a46cb9395b30a78c2a5a 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1443,7 +1443,7 @@ at86rf230_detect_device(struct at86rf230_local *lp)
 		return -EINVAL;
 	}
 
-	lp->hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AACK |
+	lp->hw->flags = IEEE802154_HW_TX_OMIT_CKSUM |
 			IEEE802154_HW_CSMA_PARAMS |
 			IEEE802154_HW_FRAME_RETRIES | IEEE802154_HW_AFILT |
 			IEEE802154_HW_PROMISCUOUS;
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 3d25678dfd951fbe9e93f9cf92f140bd6c0316e8..80dfc725b8dc4d7efca4dbc23e891e13b423a839 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -628,7 +628,7 @@ static int atusb_probe(struct usb_interface *interface,
 
 	hw->parent = &usb_dev->dev;
 	hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT |
-		    IEEE802154_HW_AACK | IEEE802154_HW_PROMISCUOUS;
+		    IEEE802154_HW_PROMISCUOUS;
 
 	hw->phy->flags = WPAN_PHY_FLAG_TXPOWER;
 
diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c
index a8bafd6bd5e420e478ca78c113f3f06f54804b8e..15f263cfece514b2d53eee8ac010f1dac75644b8 100644
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -746,8 +746,7 @@ static int cc2520_register(struct cc2520_private *priv)
 
 	/* We do support only 2.4 Ghz */
 	priv->hw->phy->supported.channels[0] = 0x7FFF800;
-	priv->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK |
-			  IEEE802154_HW_AFILT;
+	priv->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AFILT;
 
 	priv->hw->phy->flags = WPAN_PHY_FLAG_TXPOWER;
 
diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c
index f2a1bd122a74b4032e7feb997a36652c9683905c..99c767695c7be71907f517894d9edb91613f1800 100644
--- a/drivers/net/ieee802154/mrf24j40.c
+++ b/drivers/net/ieee802154/mrf24j40.c
@@ -751,8 +751,7 @@ static int mrf24j40_probe(struct spi_device *spi)
 	devrec->hw->priv = devrec;
 	devrec->hw->parent = &devrec->spi->dev;
 	devrec->hw->phy->supported.channels[0] = CHANNEL_MASK;
-	devrec->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK |
-			    IEEE802154_HW_AFILT;
+	devrec->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AFILT;
 
 	dev_dbg(printdev(devrec), "registered mrf24j40\n");
 	ret = ieee802154_register_hw(devrec->hw);
diff --git a/include/net/mac802154.h b/include/net/mac802154.h
index 845e4f88a33e48af99c22fba0066f7498bb60d8a..a20ba28ad9c58df1d7c26d97dc9323d70b76486d 100644
--- a/include/net/mac802154.h
+++ b/include/net/mac802154.h
@@ -90,8 +90,6 @@ struct ieee802154_hw {
 
 /* Indicates that xmitter will add FCS on it's own. */
 #define IEEE802154_HW_TX_OMIT_CKSUM	0x00000001
-/* Indicates that receiver will autorespond with ACK frames. */
-#define IEEE802154_HW_AACK		0x00000002
 /* Indicates that transceiver will support listen before transmit. */
 #define IEEE802154_HW_LBT		0x00000004
 /* Indicates that transceiver will support csma (max_be, min_be, csma retries)