To delete a podcast on Substack, follow these steps:
1. Navigate to your publication Settings page.
2. From the menu on the left, select Podcasts.
3. Click Edit to the right of the podcast you'd like to delete.
From there, scroll down to the "Danger zone" and click Delete next to "Delete podcast.
Don't see the option to delete your podcast? Your podcast may be attached to a section. In this case, you can delete your podcast by deleting the section. To do so, head to your publication Settings page and scroll down to "Sections" (just below "Podcasts").
Note: Deleting your section will move all your posts to your top-level publication.
Click Edit next to the section and in the Danger Zone, click on Delete next to "Delete section."