How to permanently delete the WeChat collection?

Delete the specific operation steps are as follows:

Open WeChat, click Me in the lower right corner, select Favorites, enter the Favorites interface, find the content to be deleted, press and hold the content to be deleted, select Delete in the pop-up menu, and finally confirm.

Support collection: words, sounds, pictures, videos, geographical locations, web pages, music, books, commodities, street expressions; You can collect QQ expressions and symbolic expressions.

But animated expressions cannot be collected; Graphical message: a single graphical message can be collected, but multiple graphical messages have no collection entry.