diff --git a/boards/arm/sam34/arduino-due/configs/nsh/defconfig b/boards/arm/sam34/arduino-due/configs/nsh/defconfig
index 63cc7e5703..3036ec3bdf 100644
--- a/boards/arm/sam34/arduino-due/configs/nsh/defconfig
+++ b/boards/arm/sam34/arduino-due/configs/nsh/defconfig
@@ -18,7 +18,6 @@ CONFIG_ARMV7M_OABI_TOOLCHAIN=y
 CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT=y
 CONFIG_BOARD_LOOPSPERMSEC=6965
 CONFIG_BUILTIN=y
-CONFIG_CXX_NEWLONG=y
 CONFIG_FS_PROCFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
diff --git a/boards/arm/sam34/sam4l-xplained/configs/nsh/defconfig b/boards/arm/sam34/sam4l-xplained/configs/nsh/defconfig
index 4ae135083e..1c74b2c3a1 100644
--- a/boards/arm/sam34/sam4l-xplained/configs/nsh/defconfig
+++ b/boards/arm/sam34/sam4l-xplained/configs/nsh/defconfig
@@ -20,7 +20,6 @@ CONFIG_ARMV7M_OABI_TOOLCHAIN=y
 CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT=y
 CONFIG_BOARD_LOOPSPERMSEC=3410
 CONFIG_BUILTIN=y
-CONFIG_CXX_NEWLONG=y
 CONFIG_DISABLE_ENVIRON=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
diff --git a/boards/arm/sam34/sam4s-xplained/configs/nsh/defconfig b/boards/arm/sam34/sam4s-xplained/configs/nsh/defconfig
index 4cebef0ce1..b6a0af6939 100644
--- a/boards/arm/sam34/sam4s-xplained/configs/nsh/defconfig
+++ b/boards/arm/sam34/sam4s-xplained/configs/nsh/defconfig
@@ -21,7 +21,6 @@ CONFIG_ARMV7M_OABI_TOOLCHAIN=y
 CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT=y
 CONFIG_BOARD_LOOPSPERMSEC=9186
 CONFIG_BUILTIN=y
-CONFIG_CXX_NEWLONG=y
 CONFIG_DISABLE_ENVIRON=y
 CONFIG_DISABLE_MOUNTPOINT=y
 CONFIG_HAVE_CXX=y
diff --git a/boards/arm/stm32/clicker2-stm32/configs/mrf24j40-mac/defconfig b/boards/arm/stm32/clicker2-stm32/configs/mrf24j40-mac/defconfig
index 1a27b7805a..fe8b75106b 100644
--- a/boards/arm/stm32/clicker2-stm32/configs/mrf24j40-mac/defconfig
+++ b/boards/arm/stm32/clicker2-stm32/configs/mrf24j40-mac/defconfig
@@ -55,6 +55,7 @@ CONFIG_RAW_BINARY=y
 CONFIG_RR_INTERVAL=200
 CONFIG_SCHED_HPWORK=y
 CONFIG_SCHED_HPWORKPRIORITY=192
+CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_START_YEAR=2013
diff --git a/boards/arm/stm32/nucleo-f303re/configs/nxlines/defconfig b/boards/arm/stm32/nucleo-f303re/configs/nxlines/defconfig
index 19fa855ee6..0a3ac24307 100644
--- a/boards/arm/stm32/nucleo-f303re/configs/nxlines/defconfig
+++ b/boards/arm/stm32/nucleo-f303re/configs/nxlines/defconfig
@@ -33,6 +33,7 @@ CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NFILE_STREAMS=8
 CONFIG_NX=y
 CONFIG_NXFONT_MONO5X8=y
+CONFIG_NXSTART_EXTERNINIT=y
 CONFIG_NX_BLOCKING=y
 CONFIG_PREALLOC_MQ_MSGS=4
 CONFIG_PREALLOC_TIMERS=4