diff --git a/include/rtw_debug.h b/include/rtw_debug.h
index e1bd6a9..206a443 100644
--- a/include/rtw_debug.h
+++ b/include/rtw_debug.h
@@ -54,7 +54,7 @@ enum {
 
 #define RTW_DBG_EXPR(EXPR) do {} while (0)
 
-#define RTW_DBGDUMP 0 /* 'stream' for _dbgdump */
+#define RTW_DBGDUMP NULL /* 'stream' for _dbgdump */
 
 /* don't use these 3 APIs anymore, will be removed later */
 #define RT_TRACE(_Comp, _Level, Fmt) do {} while (0)
diff --git a/os_dep/usb_intf.c b/os_dep/usb_intf.c
index 3ac40b1..a1bff0e 100644
--- a/os_dep/usb_intf.c
+++ b/os_dep/usb_intf.c
@@ -1526,16 +1526,6 @@ static int __init rtw_drv_entry(void)
 	RTW_INFO(DRV_NAME" BT-Coex version = %s\n", BTCOEXVERSION);
 #endif /* BTCOEXVERSION */
 
-	ret = platform_wifi_power_on();
-	if (ret != 0) {
-		RTW_INFO("%s: power on failed!!(%d)\n", __FUNCTION__, ret);
-		ret = -1;
-		goto exit;
-	}
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
-	/* console_suspend_enabled=0; */
-#endif
-
 	usb_drv.drv_registered = _TRUE;
 	rtw_suspend_lock_init();
 	rtw_drv_proc_init();
@@ -1564,8 +1554,6 @@ static void __exit rtw_drv_halt(void)
 
 	usb_deregister(&usb_drv.usbdrv);
 
-	platform_wifi_power_off();
-
 	rtw_suspend_lock_uninit();
 	rtw_drv_proc_deinit();
 	rtw_ndev_notifier_unregister();
diff --git a/platform/platform_ops.c b/platform/platform_ops.c
index 95da669..34795cf 100644
--- a/platform/platform_ops.c
+++ b/platform/platform_ops.c
@@ -23,15 +23,5 @@
  *	0:	power on successfully
  *	others: power on failed
  */
-int platform_wifi_power_on(void)
-{
-	int ret = 0;
 
-
-	return ret;
-}
-
-void platform_wifi_power_off(void)
-{
-}
 #endif /* !CONFIG_PLATFORM_OPS */