You can get an overview of all the repositories you're watching so that you can easily remove any you're no longer interested in receiving notifications for.
In the upper-right corner of any page, click . If you've disabled web notifications and you don't see the bell icon, you can navigate to https://github.com/watching.
Click Watching to view the list of repositories you're watching.
- Click Unwatch next to the repository you're no longer interested in receiving notifications for.
