diff --git a/include/autoconf.h b/include/autoconf.h
index 99a312b..15b9cea 100644
--- a/include/autoconf.h
+++ b/include/autoconf.h
@@ -105,7 +105,6 @@
 #endif // CONFIG_LED
 
 #define USB_INTERFERENCE_ISSUE // this should be checked in all usb interface
-#define CONFIG_GLOBAL_UI_PID
 
 #define CONFIG_NEW_SIGNAL_STAT_PROCESS
 #define RTW_NOTCH_FILTER 0 /* 0:Disable, 1:Enable, */
diff --git a/include/rtw_ioctl.h b/include/rtw_ioctl.h
index d41bb23..2757140 100644
--- a/include/rtw_ioctl.h
+++ b/include/rtw_ioctl.h
@@ -133,8 +133,7 @@ extern	NDIS_STATUS	drv_set_info(
 		u32*			BytesRead,
 		u32*			BytesNeeded
 	);
-#ifdef CONFIG_GLOBAL_UI_PID
+
 extern int ui_pid[3];
-#endif
 
 #endif // #ifndef __INC_CEINFO_
diff --git a/os_dep/ioctl_linux.c b/os_dep/ioctl_linux.c
index 60dafbb..89f5d1a 100644
--- a/os_dep/ioctl_linux.c
+++ b/os_dep/ioctl_linux.c
@@ -3485,9 +3485,7 @@ static int rtw_set_pid(struct net_device *dev,
 	selector = *pdata;
 	if (selector < 3 && selector >=0) {
 		padapter->pid[selector] = *(pdata+1);
-		#ifdef CONFIG_GLOBAL_UI_PID
 		ui_pid[selector] = *(pdata+1);
-		#endif
 		DBG_88E("%s set pid[%d]=%d\n", __func__, selector ,padapter->pid[selector]);
 	}
 	else
diff --git a/os_dep/usb_intf.c b/os_dep/usb_intf.c
index 0d79b14..53174e3 100644
--- a/os_dep/usb_intf.c
+++ b/os_dep/usb_intf.c
@@ -35,10 +35,7 @@
 #include <usb_hal.h>
 #include <rtw_ioctl.h>
 
-#ifdef CONFIG_GLOBAL_UI_PID
 int ui_pid[3] = {0, 0, 0};
-#endif
-
 
 static int rtw_suspend(struct usb_interface *intf, pm_message_t message);
 static int rtw_resume(struct usb_interface *intf);
@@ -1379,12 +1376,10 @@ static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device
 		goto free_dvobj;
 	}
 
-#ifdef CONFIG_GLOBAL_UI_PID
-	if (ui_pid[1]!=0) {
+	if (ui_pid[1] != 0) {
 		DBG_88E("ui_pid[1]:%d\n",ui_pid[1]);
 		rtw_signal_process(ui_pid[1], SIGUSR2);
 	}
-#endif
 
 	RT_TRACE(_module_hci_intfs_c_,_drv_err_,("-871x_drv - drv_init, success!\n"));