diff --git a/drivers/nfc/st-nci/ndlc.c b/drivers/nfc/st-nci/ndlc.c
index 56c6a4cb4c96..bb08b16f45cf 100644
--- a/drivers/nfc/st-nci/ndlc.c
+++ b/drivers/nfc/st-nci/ndlc.c
@@ -171,6 +171,8 @@ static void llt_ndlc_rcv_queue(struct llt_ndlc *ndlc)
 		if ((pcb & PCB_TYPE_MASK) == PCB_TYPE_SUPERVISOR) {
 			switch (pcb & PCB_SYNC_MASK) {
 			case PCB_SYNC_ACK:
+				skb = skb_dequeue(&ndlc->ack_pending_q);
+				kfree_skb(skb);
 				del_timer_sync(&ndlc->t1_timer);
 				del_timer_sync(&ndlc->t2_timer);
 				ndlc->t2_active = false;