How to remove a social channel from publish options

To remove a social channel such as LinkedIn or X (formerly Twitter) from your publish options, go into any page, and click on 'Publish Options':

On this page, you'll see the "Options" section, with the possibility to fold it out on the right side:

If you have connected your account to one or more social channels, you will see 'Connected Social Media channels':

Click on 'Manage channels' to see an overview of the connected channels:

You then have the option to remove one or more channels.

If needed you can always re-authenticate with a social channel later.