diff --git a/bsp/lpc55sxx/lpc55s69_nxp_evk/.config b/bsp/lpc55sxx/lpc55s69_nxp_evk/.config
index 7aa450dc1ce709ea3871e4e3c002a89cdca168d9..65c0862ad647c694855377695c30575754d84da9 100644
--- a/bsp/lpc55sxx/lpc55s69_nxp_evk/.config
+++ b/bsp/lpc55sxx/lpc55s69_nxp_evk/.config
@@ -74,7 +74,7 @@ CONFIG_RT_USING_DEVICE=y
 # CONFIG_RT_USING_INTERRUPT_INFO is not set
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
-CONFIG_RT_CONSOLE_DEVICE_NAME="uart"
+CONFIG_RT_CONSOLE_DEVICE_NAME="uart0"
 # CONFIG_RT_PRINTF_LONGLONG is not set
 CONFIG_RT_VER_NUM=0x40004
 # CONFIG_RT_USING_CPU_FFS is not set
@@ -173,13 +173,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_PM is not set
 # CONFIG_RT_USING_RTC is not set
-CONFIG_RT_USING_SDIO=y
-CONFIG_RT_SDIO_STACK_SIZE=512
-CONFIG_RT_SDIO_THREAD_PRIORITY=15
-CONFIG_RT_MMCSD_STACK_SIZE=1024
-CONFIG_RT_MMCSD_THREAD_PREORITY=22
-CONFIG_RT_MMCSD_MAX_PARTITION=16
-# CONFIG_RT_SDIO_DEBUG is not set
+# CONFIG_RT_USING_SDIO is not set
 # CONFIG_RT_USING_SPI is not set
 # CONFIG_RT_USING_WDT is not set
 # CONFIG_RT_USING_AUDIO is not set
@@ -199,16 +193,9 @@ CONFIG_RT_MMCSD_MAX_PARTITION=16
 #
 # POSIX layer and C standard library
 #
-CONFIG_RT_USING_LIBC=y
+# CONFIG_RT_USING_LIBC is not set
 # 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_GETLINE is not set
-# CONFIG_RT_USING_POSIX_AIO is not set
-CONFIG_RT_LIBC_USING_TIME=y
-# CONFIG_RT_USING_MODULE is not set
-CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
+# CONFIG_RT_LIBC_USING_TIME is not set
 
 #
 # Network
@@ -643,7 +630,7 @@ CONFIG_HW_UART0_BAUDRATE_115200=y
 # CONFIG_BSP_USING_I2C is not set
 # CONFIG_BSP_USING_SPI is not set
 # CONFIG_BSP_USING_ADC is not set
-CONFIG_BSP_USING_SDIO=y
+# CONFIG_BSP_USING_SDIO is not set
 # CONFIG_BSP_USING_RTC is not set
 # CONFIG_BSP_USING_WDT is not set
 # CONFIG_BSP_USING_HWTIMER is not set
diff --git a/bsp/lpc55sxx/lpc55s69_nxp_evk/rtconfig.h b/bsp/lpc55sxx/lpc55s69_nxp_evk/rtconfig.h
index 412285dad0bf3f1f7ca84fd45552bd918b9c35d4..66b06db132c71fc9597074e807725e7a5d298cf8 100644
--- a/bsp/lpc55sxx/lpc55s69_nxp_evk/rtconfig.h
+++ b/bsp/lpc55sxx/lpc55s69_nxp_evk/rtconfig.h
@@ -108,22 +108,12 @@
 #define RT_SERIAL_USING_DMA
 #define RT_SERIAL_RB_BUFSZ 64
 #define RT_USING_PIN
-#define RT_USING_SDIO
-#define RT_SDIO_STACK_SIZE 512
-#define RT_SDIO_THREAD_PRIORITY 15
-#define RT_MMCSD_STACK_SIZE 1024
-#define RT_MMCSD_THREAD_PREORITY 22
-#define RT_MMCSD_MAX_PARTITION 16
 
 /* Using USB */
 
 
 /* POSIX layer and C standard library */
 
-#define RT_USING_LIBC
-#define RT_USING_POSIX
-#define RT_LIBC_USING_TIME
-#define RT_LIBC_DEFAULT_TIMEZONE 8
 
 /* Network */
 
@@ -212,7 +202,6 @@
 #define BSP_USING_UART
 #define BSP_USING_UART0
 #define HW_UART0_BAUDRATE_115200
-#define BSP_USING_SDIO
 
 /* Onboard Peripheral Drivers */