diff --git a/boards/arm/stm32/olimex-stm32-p407/configs/audio/defconfig b/boards/arm/stm32/olimex-stm32-p407/configs/audio/defconfig
index 8dbdbd03a5..a53afcbc5f 100644
--- a/boards/arm/stm32/olimex-stm32-p407/configs/audio/defconfig
+++ b/boards/arm/stm32/olimex-stm32-p407/configs/audio/defconfig
@@ -69,7 +69,6 @@ CONFIG_STM32_SPI_DMA=y
 CONFIG_STM32_USART3=y
 CONFIG_STM32_USBHOST=y
 CONFIG_SYSTEM_NSH=y
-CONFIG_SYSTEM_NSH_CXXINITIALIZE=y
 CONFIG_SYSTEM_NXPLAYER=y
 CONFIG_TASK_NAME_SIZE=32
 CONFIG_USART3_SERIAL_CONSOLE=y