diff --git a/Makefile b/Makefile
index cb556e7f1d..46f6b49aa8 100644
--- a/Makefile
+++ b/Makefile
@@ -306,7 +306,7 @@ ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
 CBFS_PAYLOAD_COMPRESS_FLAG:=l
 endif
 
-coreboot: prepare prepare2 $(obj)/coreboot.rom
+coreboot: prepare $(obj)/coreboot.rom
 
 endif
 
@@ -315,9 +315,7 @@ prepare:
 	mkdir -p $(obj)/util/kconfig/lxdialog $(obj)/util/cbfstool
 	test -n "$(alldirs)" && mkdir -p $(alldirs) || true
 
-prepare2: $(obj)/build.h
-
-$(obj)/build.h:
+$(obj)/build.h: .xcompile
 	@printf "    GEN        build.h\n"
 	rm -f $(obj)/build.h
 	printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
@@ -386,5 +384,5 @@ $(obj)/romcc: $(top)/util/romcc/romcc.c
 	@# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
 	$(HOSTCC) -g $(STACK) -Wall -o $@ $<
 
-.PHONY: $(PHONY) prepare prepare2 clean distclean doxygen doxy coreboot
+.PHONY: $(PHONY) prepare clean distclean doxygen doxy coreboot .xcompile