You may wish to turn issues off for your repository if you're trying to concentrate on a problem, or to send a message that your project is not actively accepting contributions.

  1. In the top right corner of any page, click your username. highlighted username

  2. On your profile page, click the Repositories tab, then click the name of your repository. Sample of an avatar

  3. In your repository's right sidebar, click Settings. Settings tab
  4. Under Features, unselect the Issues checkbox. Remove Issues checkbox

The issues previously added will still be available if you decide to enable issues again in the future.