diff --git a/core/rtw_recv.c b/core/rtw_recv.c
index 417a087..07babc4 100644
--- a/core/rtw_recv.c
+++ b/core/rtw_recv.c
@@ -2267,15 +2267,7 @@ static int amsdu_to_msdu(_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 */
 
 			netif_rx(sub_skb);
 		}
diff --git a/include/autoconf.h b/include/autoconf.h
index 0b57f4e..659c637 100644
--- a/include/autoconf.h
+++ b/include/autoconf.h
@@ -59,27 +59,18 @@
 
 #define CONFIG_RECV_REORDERING_CTRL
 
-//#define CONFIG_TCP_CSUM_OFFLOAD_RX
-
-//#define CONFIG_DRVEXT_MODULE
-
  #define CONFIG_SUPPORT_USB_INT
  #ifdef	CONFIG_SUPPORT_USB_INT
-//#define CONFIG_USB_INTERRUPT_IN_PIPE
 #endif
 
-//#ifndef CONFIG_MP_INCLUDED
 	#define CONFIG_IPS
 	#ifdef CONFIG_IPS
-	//#define CONFIG_IPS_LEVEL_2	 //enable this to set default IPS mode to IPS_LEVEL_2
 	#endif
 	#define SUPPORT_HW_RFOFF_DETECTED
 
 	#define CONFIG_LPS
 	#if defined(CONFIG_LPS) && defined(CONFIG_SUPPORT_USB_INT)
 
-
-	//#define CONFIG_LPS_LCLK
 	#endif
 
 	#ifdef CONFIG_LPS_LCLK
diff --git a/include/rtw_recv.h b/include/rtw_recv.h
index f9767bb..13485a2 100644
--- a/include/rtw_recv.h
+++ b/include/rtw_recv.h
@@ -153,11 +153,6 @@ 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;
@@ -166,13 +161,6 @@ 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 cffa585..3a7e374 100644
--- a/os_dep/recv_linux.c
+++ b/os_dep/recv_linux.c
@@ -209,9 +209,6 @@ int rtw_recv_indicatepkt(_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;
@@ -322,20 +319,7 @@ _func_enter_;
 #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_88E("CHECKSUM_UNNECESSARY\n");
-	} else {
-		skb->ip_summed = CHECKSUM_NONE;
-		//DBG_88E("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);