diff --git a/boards/px4/fmu-v6u/nuttx-config/nsh/defconfig b/boards/px4/fmu-v6u/nuttx-config/nsh/defconfig
index d0664b7f6e..e7e8f826b9 100644
--- a/boards/px4/fmu-v6u/nuttx-config/nsh/defconfig
+++ b/boards/px4/fmu-v6u/nuttx-config/nsh/defconfig
@@ -99,7 +99,6 @@ CONFIG_MTD_PARTITION=y
 CONFIG_MTD_PROGMEM=y
 CONFIG_MTD_RAMTRON=y
 CONFIG_NFILE_DESCRIPTORS=12
-CONFIG_NFILE_STREAMS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_ARCHROMFS=y
 CONFIG_NSH_ARGCAT=y
@@ -173,6 +172,7 @@ CONFIG_STM32H7_I2C_DYNTIMEO_STARTSTOP=10
 CONFIG_STM32H7_OTGFS=y
 CONFIG_STM32H7_PROGMEM=y
 CONFIG_STM32H7_RTC=y
+CONFIG_STM32H7_RTC_AUTO_LSECLOCK_START_DRV_CAPABILITY=y
 CONFIG_STM32H7_RTC_MAGIC_REG=1
 CONFIG_STM32H7_SAVE_CRASHDUMP=y
 CONFIG_STM32H7_SDMMC2=y