diff --git a/drivers/staging/rt2860/usb_main_dev.c b/drivers/staging/rt2860/usb_main_dev.c
index b740662d095a5281a2ffd8933fe1473952fd64ae..40eab25223f72125a07819023c8806136113e34f 100644
--- a/drivers/staging/rt2860/usb_main_dev.c
+++ b/drivers/staging/rt2860/usb_main_dev.c
@@ -421,8 +421,8 @@ int MlmeThread(IN void *Context)
 	int status;
 	status = 0;
 
-	pTask = (struct rt_rtmp_os_task *)Context;
-	pAd = (struct rt_rtmp_adapter *)pTask->priv;
+	pTask = Context;
+	pAd = pTask->priv;
 
 	RtmpOSTaskCustomize(pTask);
 
@@ -490,8 +490,8 @@ int RTUSBCmdThread(IN void *Context)
 	int status;
 	status = 0;
 
-	pTask = (struct rt_rtmp_os_task *)Context;
-	pAd = (struct rt_rtmp_adapter *)pTask->priv;
+	pTask = Context;
+	pAd = pTask->priv;
 
 	RtmpOSTaskCustomize(pTask);