Look, up in the sky! It's a bird! It's a plane! It's Android 4.2 API 17!

Change-Id: I577aa38525b23f297e3e2c4a745819ac87b24f6d
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 7dac01d..f4d45ff 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -145,6 +145,11 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/EXECUTABLES)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/lib/*.o)
 
+# JB MR2!!!!!!!  AND *NO*, THIS WILL NOT BE K-WHATEVER.
+$(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
 # ************************************************