diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_dac.c b/bsp/stm32/libraries/HAL_Drivers/drv_dac.c
index 5a409a2129..b165d09c21 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_dac.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_dac.c
@@ -52,7 +52,7 @@ static rt_err_t stm32_dac_disabled(struct rt_dac_device *device, rt_uint32_t cha
     stm32_dac_handler = device->parent.user_data;
     
 #if defined(SOC_SERIES_STM32MP1)
-        HAL_DAC_Stop(stm32_dac_handler, channel);
+    HAL_DAC_Stop(stm32_dac_handler, channel);
 #endif
     
     return RT_EOK;
diff --git a/bsp/stm32/stm32mp157a-st-discovery/.config b/bsp/stm32/stm32mp157a-st-discovery/.config
index a3dadad888..4f6a2ab164 100644
--- a/bsp/stm32/stm32mp157a-st-discovery/.config
+++ b/bsp/stm32/stm32mp157a-st-discovery/.config
@@ -108,34 +108,7 @@ CONFIG_FINSH_ARG_MAX=10
 #
 # Device virtual file system
 #
-CONFIG_RT_USING_DFS=y
-CONFIG_DFS_USING_WORKDIR=y
-CONFIG_DFS_FILESYSTEMS_MAX=2
-CONFIG_DFS_FILESYSTEM_TYPES_MAX=2
-CONFIG_DFS_FD_MAX=16
-# CONFIG_RT_USING_DFS_MNTTABLE is not set
-CONFIG_RT_USING_DFS_ELMFAT=y
-
-#
-# elm-chan's FatFs, Generic FAT Filesystem Module
-#
-CONFIG_RT_DFS_ELM_CODE_PAGE=437
-CONFIG_RT_DFS_ELM_WORD_ACCESS=y
-# CONFIG_RT_DFS_ELM_USE_LFN_0 is not set
-# CONFIG_RT_DFS_ELM_USE_LFN_1 is not set
-# CONFIG_RT_DFS_ELM_USE_LFN_2 is not set
-CONFIG_RT_DFS_ELM_USE_LFN_3=y
-CONFIG_RT_DFS_ELM_USE_LFN=3
-CONFIG_RT_DFS_ELM_MAX_LFN=255
-CONFIG_RT_DFS_ELM_DRIVES=2
-CONFIG_RT_DFS_ELM_MAX_SECTOR_SIZE=512
-# CONFIG_RT_DFS_ELM_USE_ERASE is not set
-CONFIG_RT_DFS_ELM_REENTRANT=y
-CONFIG_RT_USING_DFS_DEVFS=y
-# CONFIG_RT_USING_DFS_ROMFS is not set
-# CONFIG_RT_USING_DFS_RAMFS is not set
-# CONFIG_RT_USING_DFS_UFFS is not set
-# CONFIG_RT_USING_DFS_JFFS2 is not set
+# CONFIG_RT_USING_DFS is not set
 
 #
 # Device Drivers
@@ -180,10 +153,6 @@ CONFIG_RT_USING_PIN=y
 #
 CONFIG_RT_USING_LIBC=y
 # CONFIG_RT_USING_PTHREADS is not set
-CONFIG_RT_USING_POSIX=y
-# CONFIG_RT_USING_POSIX_MMAP is not set
-# CONFIG_RT_USING_POSIX_TERMIOS is not set
-# CONFIG_RT_USING_POSIX_AIO is not set
 # CONFIG_RT_USING_MODULE is not set
 
 #
@@ -460,9 +429,8 @@ CONFIG_BSP_USING_STLINK_TO_USART=y
 CONFIG_BSP_USING_GPIO=y
 # CONFIG_BSP_USING_WWDG is not set
 CONFIG_BSP_USING_UART=y
-CONFIG_BSP_USING_UART3=y
-CONFIG_BSP_UART3_RX_USING_DMA=y
-CONFIG_BSP_UART3_TX_USING_DMA=y
+# CONFIG_BSP_USING_UART3 is not set
+# CONFIG_BSP_UART3_RX_USING_DMA is not set
 CONFIG_BSP_USING_UART4=y
 # CONFIG_BSP_UART4_RX_USING_DMA is not set
 # CONFIG_BSP_UART4_TX_USING_DMA is not set
diff --git a/bsp/stm32/stm32mp157a-st-discovery/rtconfig.h b/bsp/stm32/stm32mp157a-st-discovery/rtconfig.h
index a2b70391e6..65772b7eac 100644
--- a/bsp/stm32/stm32mp157a-st-discovery/rtconfig.h
+++ b/bsp/stm32/stm32mp157a-st-discovery/rtconfig.h
@@ -76,24 +76,6 @@
 
 /* Device virtual file system */
 
-#define RT_USING_DFS
-#define DFS_USING_WORKDIR
-#define DFS_FILESYSTEMS_MAX 2
-#define DFS_FILESYSTEM_TYPES_MAX 2
-#define DFS_FD_MAX 16
-#define RT_USING_DFS_ELMFAT
-
-/* elm-chan's FatFs, Generic FAT Filesystem Module */
-
-#define RT_DFS_ELM_CODE_PAGE 437
-#define RT_DFS_ELM_WORD_ACCESS
-#define RT_DFS_ELM_USE_LFN_3
-#define RT_DFS_ELM_USE_LFN 3
-#define RT_DFS_ELM_MAX_LFN 255
-#define RT_DFS_ELM_DRIVES 2
-#define RT_DFS_ELM_MAX_SECTOR_SIZE 512
-#define RT_DFS_ELM_REENTRANT
-#define RT_USING_DFS_DEVFS
 
 /* Device Drivers */
 
@@ -110,7 +92,6 @@
 /* POSIX layer and C standard library */
 
 #define RT_USING_LIBC
-#define RT_USING_POSIX
 
 /* Network */
 
@@ -186,9 +167,6 @@
 
 #define BSP_USING_GPIO
 #define BSP_USING_UART
-#define BSP_USING_UART3
-#define BSP_UART3_RX_USING_DMA
-#define BSP_UART3_TX_USING_DMA
 #define BSP_USING_UART4
 
 /* Board extended module Drivers */