renpy/doc/reference/functions/renpy.cache unpin
From Ren'Py Visual Novel Engine
renpy.cache_unpin
| Function: | renpy.cache_unpin | (*image_manipulators): |
This may be called with one or more image manipulators. It causes those manipulators to become unpinned and removed from the image cache.
$ renpy.cache_unpin("game_menu_root.jpg")
