diff --git a/CleanSpec.mk b/CleanSpec.mk
index 4f242a6..e47ba71 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -47,6 +47,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libmediaplayerservice_intermediates)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libmedia_jni_intermediates)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libstagefright_omx_intermediates)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************