diff --git a/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/App/app_system.c b/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/App/app_system.c
index e6da26ac..f5f2f54d 100644
--- a/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/App/app_system.c
+++ b/board/RHF0M0E5_STM32WLE5xx/KEIL/lorawan/App/app_system.c
@@ -34,7 +34,7 @@ void SystemApp_Init(void)
 
 	vcom_Init(NULL);
     
-    MX_USART2_UART_Init();
+        //MX_USART2_UART_Init();
 
 	/*Initialize the temperature and Battery measurement services */
 	SYS_InitMeasurement();