diff --git a/boards/px4/fmu-v2/nuttx-config/nsh/defconfig b/boards/px4/fmu-v2/nuttx-config/nsh/defconfig
index 87c7d62e47..a27302fd72 100644
--- a/boards/px4/fmu-v2/nuttx-config/nsh/defconfig
+++ b/boards/px4/fmu-v2/nuttx-config/nsh/defconfig
@@ -82,8 +82,6 @@ CONFIG_I2C_RESET=y
 CONFIG_IDLETHREAD_STACKSIZE=750
 CONFIG_LIBC_FLOATINGPOINT=y
 CONFIG_LIBC_LONG_LONG=y
-CONFIG_LIBC_STRERROR=n
-CONFIG_LIBC_STRERROR_SHORT=y
 CONFIG_MEMSET_64BIT=y
 CONFIG_MEMSET_OPTSPEED=y
 CONFIG_MMCSD=y
@@ -95,7 +93,6 @@ 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
@@ -104,9 +101,6 @@ 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_PSSTACKUSAGE=y
 CONFIG_NSH_DISABLE_TELNETD=y
 CONFIG_NSH_LINELEN=128
@@ -115,7 +109,6 @@ CONFIG_NSH_NESTDEPTH=8
 CONFIG_NSH_QUOTE=y
 CONFIG_NSH_ROMFSETC=y
 CONFIG_NSH_ROMFSSECTSIZE=128
-CONFIG_NSH_STRERROR=y
 CONFIG_NSH_VARS=y
 CONFIG_PIPES=y
 CONFIG_PREALLOC_TIMERS=50