diff --git a/drivers/staging/rtl8723au/core/rtw_security.c b/drivers/staging/rtl8723au/core/rtw_security.c
index 038b57b3afe27314aee0759c56dc2b6d026e27d4..9d2a0135dc5ec1e1f5a98f3608e7cb076e5a4517 100644
--- a/drivers/staging/rtl8723au/core/rtw_security.c
+++ b/drivers/staging/rtl8723au/core/rtw_security.c
@@ -1619,7 +1619,7 @@ int rtw_aes_decrypt23a(struct rtw_adapter *padapter,
 
 void rtw_use_tkipkey_handler23a(void *FunctionContext)
 {
-	struct rtw_adapter *padapter = (struct rtw_adapter *)FunctionContext;
+	struct rtw_adapter *padapter = FunctionContext;
 
 	RT_TRACE(_module_rtl871x_security_c_, _drv_err_,
 		 "^^^%s ^^^\n", __func__);