diff --git a/include/net/net_pkt.h b/include/net/net_pkt.h
index 1afcb002b4e..d29ca218256 100644
--- a/include/net/net_pkt.h
+++ b/include/net/net_pkt.h
@@ -239,7 +239,6 @@ struct net_pkt {
 	uint8_t ieee802154_lqi;  /* Link Quality Indicator */
 	uint8_t ieee802154_arb : 1; /* ACK Request Bit is set in the frame */
 	uint8_t ieee802154_ack_fpb : 1; /* Frame Pending Bit was set in the ACK */
-	uint8_t ieee802154_frame_retry : 1; /* The frame is being retransmitted. */
 	uint8_t ieee802154_frame_secured : 1; /* Frame is authenticated and
 					       * encrypted according to its
 					       * Auxiliary Security Header
@@ -1017,17 +1016,6 @@ static inline void net_pkt_set_ieee802154_ack_fpb(struct net_pkt *pkt,
 	pkt->ieee802154_ack_fpb = fpb;
 }
 
-static inline bool net_pkt_ieee802154_frame_retry(struct net_pkt *pkt)
-{
-	return pkt->ieee802154_frame_retry;
-}
-
-static inline void net_pkt_set_ieee802154_frame_retry(struct net_pkt *pkt,
-						     bool frame_retry)
-{
-	pkt->ieee802154_frame_retry = frame_retry;
-}
-
 static inline bool net_pkt_ieee802154_frame_secured(struct net_pkt *pkt)
 {
 	return pkt->ieee802154_frame_secured;
diff --git a/subsys/net/lib/openthread/platform/radio.c b/subsys/net/lib/openthread/platform/radio.c
index 548b0579695..be53e3cd5a5 100644
--- a/subsys/net/lib/openthread/platform/radio.c
+++ b/subsys/net/lib/openthread/platform/radio.c
@@ -271,9 +271,6 @@ void transmit_message(struct k_work *tx_job)
 	radio_api->set_channel(radio_dev, sTransmitFrame.mChannel);
 	radio_api->set_txpower(radio_dev, tx_power);
 
-	net_pkt_set_ieee802154_frame_retry(tx_pkt,
-					   sTransmitFrame.mInfo.mTxInfo.mIsARetx);
-
 	if ((radio_api->get_capabilities(radio_dev) & IEEE802154_HW_TXTIME) &&
 	    (sTransmitFrame.mInfo.mTxInfo.mTxDelay != 0)) {
 		uint64_t tx_at = sTransmitFrame.mInfo.mTxInfo.mTxDelayBaseTime +