- In the upper-right corner of any page on GitHub, click your profile picture, then click Settings.
 - In the left sidebar, click Developer settings.
 - In the left sidebar, click OAuth apps.
 - Select the OAuth app you want to modify.
 - In the left sidebar, click Advanced.
 - Click Delete application.
 - Click Delete this OAuth Application.
 
Удаление приложения OAuth
Вы можете удалить OAuth apps при их использовании.