If you're no longer interested in a specific conversation, you can choose to unsubscribe from any future notifications.
- In the upper-right corner of any page, click your profile photo.
- On your profile page, click the Repositories tab, then click the name of your repository.
- Click either the Issues tab or the Pull Requests tab for the repository.
- In the sidebar on the right, click Unsubscribe.
Once you unsubscribe from a conversation, you will no longer receive any notifications about the thread. However, if you or a team you're on are @mentioned, you'll once again start receiving notifications.