diff --git a/boards/arm/stm32/stm32f4discovery/configs/cxxtest/defconfig b/boards/arm/stm32/stm32f4discovery/configs/cxxtest/defconfig
index 7ff72a672f..3f574c4418 100644
--- a/boards/arm/stm32/stm32f4discovery/configs/cxxtest/defconfig
+++ b/boards/arm/stm32/stm32f4discovery/configs/cxxtest/defconfig
@@ -14,7 +14,6 @@ CONFIG_ARCH_CHIP_STM32=y
 CONFIG_ARCH_CHIP_STM32F407VG=y
 CONFIG_ARCH_STACKDUMP=y
 CONFIG_BOARD_LOOPSPERMSEC=16717
-CONFIG_DISABLE_ENVIRON=y
 CONFIG_DISABLE_MOUNTPOINT=y
 CONFIG_HAVE_CXX=y
 CONFIG_HOST_WINDOWS=y