diff --git a/arch/arm/configs/stm32_defconfig b/arch/arm/configs/stm32_defconfig
index 3baec075d1ef..973bf7c8236b 100644
--- a/arch/arm/configs/stm32_defconfig
+++ b/arch/arm/configs/stm32_defconfig
@@ -18,8 +18,6 @@ CONFIG_ARCH_STM32=y
 CONFIG_CPU_V7M_NUM_IRQ=240
 CONFIG_SET_MEM_PARAM=y
 CONFIG_DRAM_BASE=0x90000000
-CONFIG_FLASH_MEM_BASE=0x08000000
-CONFIG_FLASH_SIZE=0x00200000
 # CONFIG_ATAGS is not set
 CONFIG_XIP_KERNEL=y
 CONFIG_XIP_PHYS_ADDR=0x08008000