diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 8a23c76..b711605 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1266,7 +1266,6 @@ config STM32
 	select CPU_V7M
 	select DM
 	select DM_SERIAL
-	select SYS_THUMB_BUILD
 	imply CMD_DM
 
 config ARCH_STI