diff --git a/arch/x86/boot/startup/Makefile b/arch/x86/boot/startup/Makefile
index ccdfc42a4d59..bb7c826e586c 100644
--- a/arch/x86/boot/startup/Makefile
+++ b/arch/x86/boot/startup/Makefile
@@ -7,8 +7,9 @@ KBUILD_CFLAGS		+= -D__DISABLE_EXPORTS -mcmodel=small -fPIC \
 			   -fno-stack-protector -D__NO_FORTIFY \
 			   -include $(srctree)/include/linux/hidden.h
 
-# disable ftrace hooks
+# disable ftrace hooks and LTO
 KBUILD_CFLAGS	:= $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS))
+KBUILD_CFLAGS	:= $(filter-out $(CC_FLAGS_LTO),$(KBUILD_CFLAGS))
 KASAN_SANITIZE	:= n
 KCSAN_SANITIZE	:= n
 KMSAN_SANITIZE	:= n