Team discussions are available in organizations by default. For more information on team discussions, see "About team discussions."
- In the top right corner of GitHub Enterprise Server, click your profile photo, then click Your profile.

 - On the left side of your profile page, under "Organizations", click the icon for your organization.

 - Under your organization name, click  Settings.

 - In the Settings sidebar, click Teams.

 - Under "Team discussions", unselect Enable team discussions for this organization.

 - Click Save.