Sure, here are the steps to remove played episodes on Apple Podcast:

1. Open the Podcasts app on your iPhone or iPad.
2. Tap on the "Library" tab at the bottom of the screen.
3. Tap on "Shows" under the Library.
4. Choose the podcast show that has the episode you want to delete.
5. Scroll through the list of episodes to find the ones you've played and want to delete.
6. Swipe left on the episode you want to remove.
7. Tap on the "Delete" button that appears.

This will remove the played episode from your library. Please note that if the episode was downloaded to your device, this will also delete the download.