diff --git a/hal/rtl8188eu_recv.c b/hal/rtl8188eu_recv.c
index 2c3c9b2..d4810ab 100644
--- a/hal/rtl8188eu_recv.c
+++ b/hal/rtl8188eu_recv.c
@@ -61,21 +61,6 @@ int	rtl8188eu_init_recv_priv(_adapter *padapter)
 	     (void(*)(unsigned long))rtl8188eu_recv_tasklet,
 	     (unsigned long)padapter);
 
-#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
-	precvpriv->int_in_urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (precvpriv->int_in_urb == NULL){
-		res= _FAIL;
-		DBG_88E("alloc_urb for interrupt in endpoint fail !!!!\n");
-		goto exit;
-	}
-	precvpriv->int_in_buf = rtw_zmalloc(INTERRUPT_MSG_FORMAT_LEN);
-	if (precvpriv->int_in_buf == NULL){
-		res= _FAIL;
-		DBG_88E("alloc_mem for interrupt in endpoint fail !!!!\n");
-		goto exit;
-	}
-#endif
-
 	/* init recv_buf */
 	_rtw_init_queue(&precvpriv->free_recv_buf_queue);
 
@@ -173,16 +158,6 @@ void rtl8188eu_free_recv_priv (_adapter *padapter)
 	if (precvpriv->pallocated_recv_buf)
 		rtw_mfree(precvpriv->pallocated_recv_buf, NR_RECVBUFF *sizeof(struct recv_buf) + 4);
 
-#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
-	if (precvpriv->int_in_urb)
-	{
-		usb_free_urb(precvpriv->int_in_urb);
-	}
-
-	if (precvpriv->int_in_buf)
-		rtw_mfree(precvpriv->int_in_buf, INTERRUPT_MSG_FORMAT_LEN);
-#endif/* CONFIG_USB_INTERRUPT_IN_PIPE */
-
 	if (skb_queue_len(&precvpriv->rx_skb_queue))
 		DBG_88E(KERN_WARNING "rx_skb_queue not empty\n");
 	skb_queue_purge(&precvpriv->rx_skb_queue);
diff --git a/hal/usb_halinit.c b/hal/usb_halinit.c
index 5bad00a..741f826 100644
--- a/hal/usb_halinit.c
+++ b/hal/usb_halinit.c
@@ -323,11 +323,7 @@ _InitInterrupt(
 	usb_opt = rtw_read8(Adapter, REG_USB_SPECIAL_OPTION);
 
 
-	if (!adapter_to_dvobj(Adapter)->ishighspeed
-		#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
-		|| pHalData->RtIntInPipe == 0x05
-		#endif
-	)
+	if (!adapter_to_dvobj(Adapter)->ishighspeed)
 		usb_opt = usb_opt & (~INT_BULK_SEL);
 	else
 		usb_opt = usb_opt | (INT_BULK_SEL);
@@ -1704,10 +1700,6 @@ static unsigned int rtl8188eu_inirp_init(PADAPTER Adapter)
 	struct intf_hdl * pintfhdl=&Adapter->iopriv.intf;
 	struct recv_priv *precvpriv = &(Adapter->recvpriv);
 	u32 (*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
-#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
-	HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
-	u32 (*_read_interrupt)(struct intf_hdl *pintfhdl, u32 addr);
-#endif
 
 _func_enter_;
 
@@ -1733,21 +1725,6 @@ _func_enter_;
 		precvpriv->free_recv_buf_queue_cnt--;
 	}
 
-#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
-	if (pHalData->RtIntInPipe != 0x05) {
-		status = _FAIL;
-		DBG_88E("%s =>Warning !! Have not USB Int-IN pipe,  pHalData->RtIntInPipe(%d)!!!\n",
-			 __func__,i pHalData->RtIntInPipe);
-		goto exit;
-	}
-	_read_interrupt = pintfhdl->io_ops._read_interrupt;
-	if (_read_interrupt(pintfhdl, RECV_INT_IN_ADDR) == false ) {
-		RT_TRACE(_module_hci_hal_init_c_, _drv_err_,
-			 ("usb_rx_init: usb_read_interrupt error\n"));
-		status = _FAIL;
-	}
-#endif
-
 exit:
 
 	RT_TRACE(_module_hci_hal_init_c_,_drv_info_,("<=== usb_inirp_init\n"));
@@ -1755,7 +1732,6 @@ exit:
 _func_exit_;
 
 	return status;
-
 }
 
 static unsigned int rtl8188eu_inirp_deinit(PADAPTER Adapter)
diff --git a/hal/usb_ops_linux.c b/hal/usb_ops_linux.c
index d73596c..24f656f 100644
--- a/hal/usb_ops_linux.c
+++ b/hal/usb_ops_linux.c
@@ -371,97 +371,6 @@ static void interrupt_handler_8188eu(_adapter *padapter,u16 pkt_len,u8 *pbuf)
 }
 #endif
 
-#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
-static void usb_read_interrupt_complete(struct urb *purb, struct pt_regs *regs)
-{
-	int	err;
-	_adapter		*padapter = (_adapter	 *)purb->context;
-
-	if (padapter->bSurpriseRemoved || padapter->bDriverStopped||padapter->bReadPortCancel)
-	{
-		DBG_88E("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n",
-		__func__,padapter->bDriverStopped, padapter->bSurpriseRemoved,padapter->bReadPortCancel);
-
-		return;
-	}
-
-	if (purb->status==0)/* SUCCESS */
-	{
-		if (purb->actual_length > INTERRUPT_MSG_FORMAT_LEN)
-		{
-			DBG_88E("usb_read_interrupt_complete: purb->actual_length > INTERRUPT_MSG_FORMAT_LEN(%d)\n",INTERRUPT_MSG_FORMAT_LEN);
-		}
-
-		interrupt_handler_8188eu(padapter, purb->actual_length,purb->transfer_buffer );
-
-		err = usb_submit_urb(purb, GFP_ATOMIC);
-		if ((err) && (err != (-EPERM)))
-		{
-			DBG_88E("cannot submit interrupt in-token(err = 0x%08x),urb_status = %d\n",err, purb->status);
-		}
-	}
-	else
-	{
-		DBG_88E("###=> usb_read_interrupt_complete => urb status(%d)\n", purb->status);
-
-		switch (purb->status) {
-			case -EINVAL:
-			case -EPIPE:
-			case -ENODEV:
-			case -ESHUTDOWN:
-				RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bSurpriseRemoved=true\n"));
-				/* fall through here */
-			case -ENOENT:
-				padapter->bDriverStopped=true;
-				RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped=true\n"));
-				break;
-			case -EPROTO:
-				break;
-			case -EINPROGRESS:
-				DBG_88E("ERROR: URB IS IN PROGRESS!/n");
-				break;
-			default:
-				break;
-		}
-	}
-
-}
-
-static u32 usb_read_interrupt(struct intf_hdl *pintfhdl, u32 addr)
-{
-	int	err;
-	unsigned int pipe;
-	u32	ret = _SUCCESS;
-	_adapter			*adapter = pintfhdl->padapter;
-	struct dvobj_priv	*pdvobj = adapter_to_dvobj(adapter);
-	struct recv_priv	*precvpriv = &adapter->recvpriv;
-	struct usb_device	*pusbd = pdvobj->pusbdev;
-
-_func_enter_;
-
-	/* translate DMA FIFO addr to pipehandle */
-	pipe = ffaddr2pipehdl(pdvobj, addr);
-
-	usb_fill_int_urb(precvpriv->int_in_urb, pusbd, pipe,
-					precvpriv->int_in_buf,
-					INTERRUPT_MSG_FORMAT_LEN,
-					usb_read_interrupt_complete,
-					adapter,
-					1);
-
-	err = usb_submit_urb(precvpriv->int_in_urb, GFP_ATOMIC);
-	if ((err) && (err != (-EPERM)))
-	{
-		DBG_88E("cannot submit interrupt in-token(err = 0x%08x),urb_status = %d\n",err, precvpriv->int_in_urb->status);
-		ret = _FAIL;
-	}
-
-_func_exit_;
-
-	return ret;
-}
-#endif
-
 static s32 pre_recv_entry(union recv_frame *precvframe, struct recv_stat *prxstat, struct phy_stat *pphy_status)
 {
 	return _SUCCESS;
@@ -961,12 +870,7 @@ void rtl8188eu_set_intf_ops(struct _io_ops	*pops)
 	pops->_read_port_cancel = &usb_read_port_cancel;
 	pops->_write_port_cancel = &usb_write_port_cancel;
 
-#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
-	pops->_read_interrupt = &usb_read_interrupt;
-#endif
-
 	_func_exit_;
-
 }
 
 void rtl8188eu_set_hw_type(_adapter *padapter)
diff --git a/include/rtw_recv.h b/include/rtw_recv.h
index 96a2340..d212134 100644
--- a/include/rtw_recv.h
+++ b/include/rtw_recv.h
@@ -215,10 +215,6 @@ struct recv_priv
 	uint	ff_hwaddr;
 	u8	rx_pending_cnt;
 
-#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
-	PURB	int_in_urb;
-	u8	*int_in_buf;
-#endif //CONFIG_USB_INTERRUPT_IN_PIPE
 	struct tasklet_struct irq_prepare_beacon_tasklet;
 	struct tasklet_struct recv_tasklet;
 	struct sk_buff_head free_recv_skb_queue;
diff --git a/os_dep/usb_ops_linux.c b/os_dep/usb_ops_linux.c
index 410f304..6fcd0ed 100644
--- a/os_dep/usb_ops_linux.c
+++ b/os_dep/usb_ops_linux.c
@@ -151,10 +151,6 @@ void usb_read_port_cancel(struct intf_hdl *pintfhdl)
 		}
 		precvbuf++;
 	}
-
-#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
-	usb_kill_urb(padapter->recvpriv.int_in_urb);
-#endif
 }
 
 static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs)
@@ -162,90 +158,43 @@ static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs)
 	_irqL irqL;
 	int i;
 	struct xmit_buf *pxmitbuf = (struct xmit_buf *)purb->context;
-	//struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitbuf->priv_data;
-	//_adapter			*padapter = pxmitframe->padapter;
 	_adapter	*padapter = pxmitbuf->padapter;
-       struct xmit_priv	*pxmitpriv = &padapter->xmitpriv;
-	//struct pkt_attrib *pattrib = &pxmitframe->attrib;
+	struct xmit_priv	*pxmitpriv = &padapter->xmitpriv;
 
 _func_enter_;
 
-	switch (pxmitbuf->flags)
-	{
-		case VO_QUEUE_INX:
-			pxmitpriv->voq_cnt--;
-			break;
-		case VI_QUEUE_INX:
-			pxmitpriv->viq_cnt--;
-			break;
-		case BE_QUEUE_INX:
-			pxmitpriv->beq_cnt--;
-			break;
-		case BK_QUEUE_INX:
-			pxmitpriv->bkq_cnt--;
-			break;
-		case HIGH_QUEUE_INX:
+	switch (pxmitbuf->flags) {
+	case VO_QUEUE_INX:
+		pxmitpriv->voq_cnt--;
+		break;
+	case VI_QUEUE_INX:
+		pxmitpriv->viq_cnt--;
+		break;
+	case BE_QUEUE_INX:
+		pxmitpriv->beq_cnt--;
+		break;
+	case BK_QUEUE_INX:
+		pxmitpriv->bkq_cnt--;
+		break;
+	case HIGH_QUEUE_INX:
 #ifdef CONFIG_AP_MODE
-			rtw_chk_hi_queue_cmd(padapter);
+		rtw_chk_hi_queue_cmd(padapter);
 #endif
-			break;
-		default:
-			break;
+		break;
+	default:
+		break;
 	}
 
-
-/*
-	_enter_critical(&pxmitpriv->lock, &irqL);
-
-	pxmitpriv->txirp_cnt--;
-
-	switch (pattrib->priority)
-	{
-		case 1:
-		case 2:
-			pxmitpriv->bkq_cnt--;
-			//DBG_88E("pxmitpriv->bkq_cnt=%d\n", pxmitpriv->bkq_cnt);
-			break;
-		case 4:
-		case 5:
-			pxmitpriv->viq_cnt--;
-			//DBG_88E("pxmitpriv->viq_cnt=%d\n", pxmitpriv->viq_cnt);
-			break;
-		case 6:
-		case 7:
-			pxmitpriv->voq_cnt--;
-			//DBG_88E("pxmitpriv->voq_cnt=%d\n", pxmitpriv->voq_cnt);
-			break;
-		case 0:
-		case 3:
-		default:
-			pxmitpriv->beq_cnt--;
-			//DBG_88E("pxmitpriv->beq_cnt=%d\n", pxmitpriv->beq_cnt);
-			break;
-
-	}
-
-	_exit_critical(&pxmitpriv->lock, &irqL);
-
-
-	if (pxmitpriv->txirp_cnt==0)
-	{
-		RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_write_port_complete: txirp_cnt== 0, set allrxreturnevt!\n"));
-		_rtw_up_sema(&(pxmitpriv->tx_retevt));
-	}
-*/
-        //rtw_free_xmitframe(pxmitpriv, pxmitframe);
-
-	if (padapter->bSurpriseRemoved || padapter->bDriverStopped ||padapter->bWritePortCancel)
-	{
-		RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_write_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)", padapter->bDriverStopped, padapter->bSurpriseRemoved));
+	if (padapter->bSurpriseRemoved || padapter->bDriverStopped ||padapter->bWritePortCancel) {
+		RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
+			 ("usb_write_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
+			 padapter->bDriverStopped, padapter->bSurpriseRemoved));
 		DBG_88E("%s(): TX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bWritePortCancel(%d) pxmitbuf->ext_tag(%x)\n",
 		__func__,padapter->bDriverStopped, padapter->bSurpriseRemoved,padapter->bReadPortCancel,pxmitbuf->ext_tag);
 
 		goto check_completion;
 	}
 
-
 	if (purb->status==0) {
 
 	} else {
@@ -253,26 +202,20 @@ _func_enter_;
 		DBG_88E("###=> urb_write_port_complete status(%d)\n",purb->status);
 		if ((purb->status==-EPIPE)||(purb->status==-EPROTO))
 		{
-			//usb_clear_halt(pusbdev, purb->pipe);
-			//msleep(10);
 			sreset_set_wifi_error_status(padapter, USB_WRITE_PORT_FAIL);
 		} else if (purb->status == -EINPROGRESS) {
 			RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_write_port_complete: EINPROGESS\n"));
 			goto check_completion;
-
 		} else if (purb->status == -ENOENT) {
 			DBG_88E("%s: -ENOENT\n", __func__);
 			goto check_completion;
-
 		} else if (purb->status == -ECONNRESET) {
 			DBG_88E("%s: -ECONNRESET\n", __func__);
 			goto check_completion;
-
 		} else if (purb->status == -ESHUTDOWN) {
 			RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_write_port_complete: ESHUTDOWN\n"));
 			padapter->bDriverStopped=true;
 			RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_write_port_complete:bDriverStopped=true\n"));
-
 			goto check_completion;
 		}
 		else