diff --git a/bsp/stm32/stm32h750-artpi-h750/board/board.h b/bsp/stm32/stm32h750-artpi-h750/board/board.h
index 87296c9fb79185d4d811e4b3dacf78b8e8f93e44..ac48db06bf904a8245ecc65eb5baf3239974d8b9 100644
--- a/bsp/stm32/stm32h750-artpi-h750/board/board.h
+++ b/bsp/stm32/stm32h750-artpi-h750/board/board.h
@@ -65,22 +65,6 @@ extern "C" {
  *                 such as     #define BSP_UART1_RX_USING_DMA
  *
  */
-
-#ifdef BSP_USING_UART1
-#define BSP_UART1_TX_PIN       "PA9"
-#define BSP_UART1_RX_PIN       "PA10"
-#endif
-
-#ifdef BSP_USING_UART4
-#define BSP_UART4_TX_PIN       "PA0"
-#define BSP_UART4_RX_PIN       "PI9"
-#endif
-
-#ifdef BSP_USING_UART6
-#define BSP_UART6_TX_PIN       "PC6"
-#define BSP_UART6_RX_PIN       "PC7"
-#endif
-
 #define STM32_FLASH_START_ADRESS       ROM_START
 #define STM32_FLASH_SIZE               ROM_SIZE
 #define STM32_FLASH_END_ADDRESS        ROM_END