diff --git a/core/rtw_recv.c b/core/rtw_recv.c
index 2c4018e..468e5cc 100755
--- a/core/rtw_recv.c
+++ b/core/rtw_recv.c
@@ -2496,15 +2496,7 @@ int amsdu_to_msdu(struct adapter *padapter, union recv_frame *prframe)
 			sub_skb->protocol = eth_type_trans(sub_skb, padapter->pnetdev);
 			sub_skb->dev = padapter->pnetdev;
 
-#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
-			if ( (pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1) ) {
-				sub_skb->ip_summed = CHECKSUM_UNNECESSARY;
-			} else {
-				sub_skb->ip_summed = CHECKSUM_NONE;
-			}
-#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
 			sub_skb->ip_summed = CHECKSUM_NONE;
-#endif /* CONFIG_TCP_CSUM_OFFLOAD_RX */
 
 			rtw_netif_rx(padapter->pnetdev, sub_skb);
 		}
diff --git a/include/rtw_recv.h b/include/rtw_recv.h
index b1a4a38..b6a59cc 100755
--- a/include/rtw_recv.h
+++ b/include/rtw_recv.h
@@ -152,11 +152,9 @@ struct rx_pkt_attrib	{
 
 	u8 ack_policy;
 
-//#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
 	u8	tcpchk_valid; // 0: invalid, 1: valid
 	u8	ip_chkrpt; //0: incorrect, 1: correct
 	u8	tcp_chkrpt; //0: incorrect, 1: correct
-//#endif
 	u8	key_index;
 
 	u8	mcs_rate;
@@ -165,13 +163,6 @@ struct rx_pkt_attrib	{
 	u8	pkt_rpt_type;
 	u32	MacIDValidEntry[2];	// 64 bits present 64 entry.
 
-/*
-	u8	signal_qual;
-	s8	rx_mimo_signal_qual[2];
-	u8	signal_strength;
-	u32	RxPWDBAll;
-	s32	RecvSignalPower;
-*/
 	struct phy_info phy_info;
 };
 
diff --git a/os_dep/recv_linux.c b/os_dep/recv_linux.c
index fdb294c..d5fccd6 100755
--- a/os_dep/recv_linux.c
+++ b/os_dep/recv_linux.c
@@ -197,16 +197,10 @@ int rtw_recv_indicatepkt(struct adapter *padapter, union recv_frame *precv_frame
 	_queue	*pfree_recv_queue;
 	_pkt *skb;
 	struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
-#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
-	struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
-#endif
-
 #ifdef CONFIG_BR_EXT
 	void *br_port = NULL;
 #endif
 
-;
-
 	precvpriv = &(padapter->recvpriv);
 	pfree_recv_queue = &(precvpriv->free_recv_queue);
 
@@ -318,22 +312,8 @@ int rtw_recv_indicatepkt(struct adapter *padapter, union recv_frame *precv_frame
 	}
 
 #endif	/*  CONFIG_BR_EXT */
-
-
-#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
-	if ( (pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1) ) {
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
-		/* DBG_871X("CHECKSUM_UNNECESSARY \n"); */
-	} else {
-		skb->ip_summed = CHECKSUM_NONE;
-		/* DBG_871X("CHECKSUM_NONE(%d, %d) \n", pattrib->tcpchk_valid, pattrib->tcp_chkrpt); */
-	}
-#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
-
 	skb->ip_summed = CHECKSUM_NONE;
 
-#endif
-
 	skb->dev = padapter->pnetdev;
 	skb->protocol = eth_type_trans(skb, padapter->pnetdev);