Automated import from //branches/master/...@142758,142758
diff --git a/core/cleanbuild.mk b/core/cleanbuild.mk
index 50b56f9..a753554 100644
--- a/core/cleanbuild.mk
+++ b/core/cleanbuild.mk
@@ -169,11 +169,13 @@
 	./$(PRODUCT_OUT)/*.xlb \
 	./$(PRODUCT_OUT)/*.zip \
 	./$(PRODUCT_OUT)/data \
+	./$(PRODUCT_OUT)/obj/lib \
 	./$(PRODUCT_OUT)/obj/APPS \
 	./$(PRODUCT_OUT)/obj/NOTICE_FILES \
 	./$(PRODUCT_OUT)/obj/PACKAGING \
 	./$(PRODUCT_OUT)/recovery \
 	./$(PRODUCT_OUT)/root \
+	./$(PRODUCT_OUT)/symbols/system/lib \
 	./$(PRODUCT_OUT)/system
 
 # The files/dirs to delete during a dataclean, which removes any files