diff --git a/boards/risc-v/mpfs/icicle/configs/opensbi/defconfig b/boards/risc-v/mpfs/icicle/configs/opensbi/defconfig
index aadf699595..b3d3e62e9c 100644
--- a/boards/risc-v/mpfs/icicle/configs/opensbi/defconfig
+++ b/boards/risc-v/mpfs/icicle/configs/opensbi/defconfig
@@ -21,15 +21,13 @@ CONFIG_BOARDCTL_MKRD=y
 CONFIG_BOARD_LOOPSPERMSEC=54000
 CONFIG_BUILTIN=y
 CONFIG_DEBUG_FEATURES=y
-CONFIG_DEBUG_FULLOPT=y
-CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEFAULT_SMALL=y
 CONFIG_DEV_ZERO=y
 CONFIG_EXPERIMENTAL=y
 CONFIG_FAT_LCNAMES=y
 CONFIG_FAT_LFN=y
 CONFIG_FS_FAT=y
 CONFIG_FS_PROCFS=y
-CONFIG_FS_PROCFS_EXCLUDE_MEMDUMP=y
 CONFIG_FS_ROMFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
 CONFIG_INIT_ENTRYPOINT="nsh_main"
@@ -53,51 +51,8 @@ CONFIG_MPFS_HART4_SBI=y
 CONFIG_MPFS_OPENSBI=y
 CONFIG_MPFS_UART0=y
 CONFIG_NSH_ARCHINIT=y
-CONFIG_NSH_DISABLE_BASENAME=y
-CONFIG_NSH_DISABLE_CAT=y
-CONFIG_NSH_DISABLE_CD=y
-CONFIG_NSH_DISABLE_CMP=y
-CONFIG_NSH_DISABLE_CP=y
-CONFIG_NSH_DISABLE_DD=y
-CONFIG_NSH_DISABLE_DF=y
-CONFIG_NSH_DISABLE_DIRNAME=y
-CONFIG_NSH_DISABLE_ECHO=y
-CONFIG_NSH_DISABLE_ENV=y
-CONFIG_NSH_DISABLE_EXEC=y
-CONFIG_NSH_DISABLE_EXIT=y
-CONFIG_NSH_DISABLE_EXPORT=y
-CONFIG_NSH_DISABLE_FREE=y
-CONFIG_NSH_DISABLE_GET=y
-CONFIG_NSH_DISABLE_HELP=y
-CONFIG_NSH_DISABLE_HEXDUMP=y
-CONFIG_NSH_DISABLE_IFCONFIG=y
-CONFIG_NSH_DISABLE_IFUPDOWN=y
-CONFIG_NSH_DISABLE_KILL=y
-CONFIG_NSH_DISABLE_LOSETUP=y
-CONFIG_NSH_DISABLE_LS=y
-CONFIG_NSH_DISABLE_MKDIR=y
-CONFIG_NSH_DISABLE_MKRD=y
-CONFIG_NSH_DISABLE_MOUNT=y
-CONFIG_NSH_DISABLE_MV=y
-CONFIG_NSH_DISABLE_PS=y
-CONFIG_NSH_DISABLE_PUT=y
-CONFIG_NSH_DISABLE_PWD=y
-CONFIG_NSH_DISABLE_RM=y
-CONFIG_NSH_DISABLE_RMDIR=y
-CONFIG_NSH_DISABLE_SET=y
-CONFIG_NSH_DISABLE_SLEEP=y
-CONFIG_NSH_DISABLE_SOURCE=y
-CONFIG_NSH_DISABLE_TEST=y
-CONFIG_NSH_DISABLE_TIME=y
-CONFIG_NSH_DISABLE_UMOUNT=y
-CONFIG_NSH_DISABLE_UNAME=y
-CONFIG_NSH_DISABLE_UNSET=y
-CONFIG_NSH_DISABLE_USLEEP=y
-CONFIG_NSH_DISABLE_WGET=y
-CONFIG_NSH_DISABLE_XD=y
 CONFIG_NSH_LINELEN=160
 CONFIG_OPENSBI=y
-CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=1048576
 CONFIG_RAM_START=0x08000000
 CONFIG_RAW_BINARY=y