Remove access completely for a user.
To remove someone from your organization entirely, first log in to your dashboard via the home page.
On the righthand side, click the Manage dropdown and select Users.
Under "Assigned Role," hover over the (X) to the right of the person's name and click "Delete."
Note: This removes the users from your organization entirely. If you only want to remove access to particular space but keep them in your organization, follow these instructions.