diff --git a/Core/Src/stm32g4xx_it.c b/Core/Src/stm32g4xx_it.c
index ed98e4c..765c0fc 100644
--- a/Core/Src/stm32g4xx_it.c
+++ b/Core/Src/stm32g4xx_it.c
@@ -269,7 +269,7 @@ void FDCAN1_IT0_IRQHandler(void)
 void USART1_IRQHandler(void)
 {
   /* USER CODE BEGIN USART1_IRQn 0 */
-  UART_DMA_RX_IRQHandler(g_ptRS485_1);
+
   /* USER CODE END USART1_IRQn 0 */
   HAL_UART_IRQHandler(&huart1);
   /* USER CODE BEGIN USART1_IRQn 1 */
@@ -283,7 +283,7 @@ void USART1_IRQHandler(void)
 void USART3_IRQHandler(void)
 {
   /* USER CODE BEGIN USART3_IRQn 0 */
-  UART_DMA_RX_IRQHandler(g_ptRS485_2);
+
   /* USER CODE END USART3_IRQn 0 */
   HAL_UART_IRQHandler(&huart3);
   /* USER CODE BEGIN USART3_IRQn 1 */