diff --git a/Src/CanSerialPortFrame.c b/Src/CanSerialPortFrame.c
index aebd31d..86714f2 100644
--- a/Src/CanSerialPortFrame.c
+++ b/Src/CanSerialPortFrame.c
@@ -215,9 +215,6 @@ bool vCanSerialPortFrameDMAInit(
         env->tMbCfg.pRxFilterFifoList = env->pRxFilterFifoList;
         env->tMbCfg.u8RxFilterFifoCnt = CountFilterFifo_RX;
 
-        env->tMbCfg.pRxFilterFifoList = NULL;
-        env->tMbCfg.u8RxFilterFifoCnt = 0;
-
         env->tMbCfg.pRxBuf = CAN_GET_BUFFER(CAN_INDEX);
 
         // tx config