This is the technical support forum for Toolset - a suite of plugins for developing WordPress sites without writing PHP.
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Problem: Images that are uploaded using CRED are stored in the Media Library even if the form is not submitted. They are not deleted automatically when the auto-draft post is deleted on the normal cron schedule.
Solution: Programmatically there is not a good way to know whether or not these media items have been used elsewhere on the site, so we will leave them in the Media Library indefinitely.