diff --git a/boards/ark/can-flow/nuttx-config/nsh/defconfig b/boards/ark/can-flow/nuttx-config/nsh/defconfig
index 0c90829c6a..8b42f73184 100644
--- a/boards/ark/can-flow/nuttx-config/nsh/defconfig
+++ b/boards/ark/can-flow/nuttx-config/nsh/defconfig
@@ -70,7 +70,6 @@ CONFIG_MTD_BYTE_WRITE=y
 CONFIG_MTD_PARTITION=y
 CONFIG_MTD_RAMTRON=y
 CONFIG_NAME_MAX=40
-CONFIG_NFILE_DESCRIPTORS=12
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_ARCHROMFS=y
 CONFIG_NSH_ARGCAT=y
@@ -79,9 +78,6 @@ CONFIG_NSH_CMDPARMS=y
 CONFIG_NSH_CROMFSETC=y
 CONFIG_NSH_DISABLE_IFCONFIG=y
 CONFIG_NSH_DISABLE_IFUPDOWN=y
-CONFIG_NSH_DISABLE_MB=y
-CONFIG_NSH_DISABLE_MH=y
-CONFIG_NSH_DISABLE_MW=y
 CONFIG_NSH_DISABLE_TELNETD=y
 CONFIG_NSH_LINELEN=128
 CONFIG_NSH_MAXARGUMENTS=15