- In the top right corner of GitHub.com, click your profile photo, then click Your organizations.
- Next to the organization, click Settings.
- In the "Integrations" section of the sidebar, click Third-party access.
- Next to the application you'd like to disable, click .
- Click Deny access.
Denying access to a previously approved OAuth App for your organization
If an organization no longer requires a previously authorized OAuth App, owners can remove the application's access to the organization's resources.