diff --git a/boards/px4/fmu-v5/nuttx-config/uavcanv1/defconfig b/boards/px4/fmu-v5/nuttx-config/uavcanv1/defconfig
index bfd1ce93f9..bda74b6546 100644
--- a/boards/px4/fmu-v5/nuttx-config/uavcanv1/defconfig
+++ b/boards/px4/fmu-v5/nuttx-config/uavcanv1/defconfig
@@ -44,7 +44,6 @@ CONFIG_BOARD_LOOPSPERMSEC=22114
 CONFIG_BOARD_RESET_ON_ASSERT=2
 CONFIG_BUILTIN=y
 CONFIG_C99_BOOL8=y
-CONFIG_CAN=y
 CONFIG_CAN_EXTID=y
 CONFIG_CAN_FIFOSIZE=32
 CONFIG_CDCACM=y
@@ -98,7 +97,6 @@ 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
@@ -107,9 +105,6 @@ 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