diff --git a/bsp/stm32/libraries/Kconfig b/bsp/stm32/libraries/Kconfig
index 983dfd9648a9bd98c392419498c87eb0b7ce848a..9f09dac67869861b1990a2fcf944964cbfe888bb 100644
--- a/bsp/stm32/libraries/Kconfig
+++ b/bsp/stm32/libraries/Kconfig
@@ -40,7 +40,3 @@ config SOC_SERIES_STM32H7
     bool
     select ARCH_ARM_CORTEX_M7
     select SOC_FAMILY_STM32
-    
-config RT_USING_CPU_FFS
-    bool "Using CPU FFS"
-    default y