You can delete any repository or fork if you're either an organization owner or have admin permissions for the repository or fork.
Tips:
- You can follow these steps to delete forks that belong to you as well. Deleting a forked repository doesn't delete the upstream repository.
- Only members with owner privileges for an organization or admin privileges for a repository can delete an organization repository. For more information, see "Repository permission levels for an organization."
Warning: These steps will permanently delete the repository, wiki, issues, and comments. This action cannot be undone.
Please also keep in mind that:
- Deleting a private repository will delete all of its forks.
- Deleting a public repository will not delete its forks.
- Deleting all of your private repositories will not downgrade your account to free.
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Manually enter the URL for your repository's Settings page in your browser:
https://hostname/YOUR-USERNAME/YOUR-REPOSITORY/settings
Under Danger Zone, click Delete this repository.
- Read the warnings.
- To verify that you're deleting the correct repository, type the name of the repository you want to delete.
- Click I understand the consequences, delete this repository.