diff --git a/CleanSpec.mk b/CleanSpec.mk
index 134b08a..cfdcf55 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -83,6 +83,9 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/lib/*.so)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib/*.so)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/symbols/system/lib/*.so)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST