If a collaborator is no longer contributing to a project, you can contact to have their fork of your private repository deleted.

While you can't delete a private fork of a private repository in a user account, you can do one of these things:

  • Contact to request the fork be deleted. Note that public forks of a repository that was public when it was forked cannot be deleted, even if the repository is now private.
  • Delete the private repository, which deletes all forks.

Warnings:

Further reading