diff --git a/include/rtw_recv.h b/include/rtw_recv.h
index 3f65e0b..3236dd1 100644
--- a/include/rtw_recv.h
+++ b/include/rtw_recv.h
@@ -792,22 +792,6 @@ __inline static u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz)
 
 }
 
-
-
-__inline static _buffer *get_rxbuf_desc(union recv_frame *precvframe)
-{
-	_buffer *buf_desc;
-
-	if (precvframe == NULL)
-		return NULL;
-#ifdef PLATFORM_WINDOWS
-	NdisQueryPacket(precvframe->u.hdr.pkt, NULL, NULL, &buf_desc, NULL);
-#endif
-
-	return buf_desc;
-}
-
-
 __inline static union recv_frame *rxmem_to_recvframe(u8 *rxmem)
 {
 	/* due to the design of 2048 bytes alignment of recv_frame, we can reference the union recv_frame */
@@ -818,44 +802,6 @@ __inline static union recv_frame *rxmem_to_recvframe(u8 *rxmem)
 
 }
 
-__inline static union recv_frame *pkt_to_recvframe(_pkt *pkt)
-{
-
-	u8 *buf_star;
-	union recv_frame *precv_frame;
-#ifdef PLATFORM_WINDOWS
-	_buffer *buf_desc;
-	uint len;
-
-	NdisQueryPacket(pkt, NULL, NULL, &buf_desc, &len);
-	NdisQueryBufferSafe(buf_desc, &buf_star, &len, HighPagePriority);
-#endif
-	precv_frame = rxmem_to_recvframe((unsigned char *)buf_star);
-
-	return precv_frame;
-}
-
-__inline static u8 *pkt_to_recvmem(_pkt *pkt)
-{
-	/* return the rx_head */
-
-	union recv_frame *precv_frame = pkt_to_recvframe(pkt);
-
-	return	precv_frame->u.hdr.rx_head;
-
-}
-
-__inline static u8 *pkt_to_recvdata(_pkt *pkt)
-{
-	/* return the rx_data */
-
-	union recv_frame *precv_frame = pkt_to_recvframe(pkt);
-
-	return	precv_frame->u.hdr.rx_data;
-
-}
-
-
 __inline static sint get_recvframe_len(union recv_frame *precvframe)
 {
 	return precvframe->u.hdr.len;