Let's call MR0 4.0.1.

Change-Id: Ie55012702e2cfb1eb247941e8b73519ad9b5c547
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 5240837..62a3a09 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -102,6 +102,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/JAVA_LIBRARIES/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/framework/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST