In the upper-right corner of any page, click your profile photo, then click Settings.
In the left sidebar, click Repositories.
Next to the repository you want to leave, click Leave.
Read the warning carefully, then click "I understand, leave this repository."
This version of GitHub Enterprise will be discontinued on 2022-06-03. No patch releases will be made, even for critical security issues. For better performance, improved security, and new features, upgrade to the latest version of GitHub Enterprise. For help with the upgrade, contact GitHub Enterprise support.
Removing yourself from a collaborator's repository
If you no longer want to be a collaborator on someone else's repository, you can remove yourself.