diff --git a/CleanSpec.mk b/CleanSpec.mk
index 043fd8a..a55b241 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -163,6 +163,11 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/EXECUTABLES)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/lib/*.o)
 
+# Wait, back to some JB development!
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************