diff --git a/boards/px4/io-v2/nuttx-config/Kconfig b/boards/px4/io-v2/nuttx-config/Kconfig
new file mode 100644
index 0000000000..3c3c7347b2
--- /dev/null
+++ b/boards/px4/io-v2/nuttx-config/Kconfig
@@ -0,0 +1,9 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+# Hack to ensure ARCH_MATH_H is kept
+config BOARD_HAVE_MATH_H
+	bool "Provide ARCH math.h (selects ARCH_HAVE_MATH_H)"
+	default y
+	select ARCH_HAVE_MATH_H
diff --git a/boards/px4/io-v2/nuttx-config/drivers/Kconfig b/boards/px4/io-v2/nuttx-config/drivers/Kconfig
new file mode 100644
index 0000000000..8b13789179
--- /dev/null
+++ b/boards/px4/io-v2/nuttx-config/drivers/Kconfig
@@ -0,0 +1 @@
+
diff --git a/boards/px4/io-v2/nuttx-config/nsh/defconfig b/boards/px4/io-v2/nuttx-config/nsh/defconfig
index bb71ca56ff..02cdd395be 100644
--- a/boards/px4/io-v2/nuttx-config/nsh/defconfig
+++ b/boards/px4/io-v2/nuttx-config/nsh/defconfig
@@ -7,8 +7,11 @@
 #
 # CONFIG_DEV_NULL is not set
 CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD_CUSTOM=y
 CONFIG_ARCH_BOARD_CUSTOM_DIR="../nuttx-config"
+CONFIG_ARCH_BOARD_CUSTOM_DIR_RELPATH=y
 CONFIG_ARCH_BOARD_CUSTOM_NAME="px4"
+CONFIG_ARCH_CHIP="stm32"
 CONFIG_ARCH_CHIP_STM32=y
 CONFIG_ARCH_CHIP_STM32F100C8=y
 CONFIG_ARCH_MATH_H=y
@@ -22,9 +25,7 @@ CONFIG_DEBUG_SYMBOLS=y
 CONFIG_DEFAULT_SMALL=y
 CONFIG_DISABLE_MOUNTPOINT=y
 CONFIG_DISABLE_MQUEUE=y
-CONFIG_DISABLE_POLL=y
 CONFIG_DISABLE_PTHREAD=y
-CONFIG_DISABLE_SIGNALS=y
 CONFIG_FDCLONE_DISABLE=y
 CONFIG_FDCLONE_STDIO=y
 CONFIG_HAVE_CXX=y