To remove someone (or yourself) from a Project, click the
Set up people... button right beside people’s avatars.
Click the ••• menu to the right of the person's name that you'd like to remove. Click the option that says
You'll be prompted to confirm that you'd like to remove this person from the project. Click OK and you’re done! That person will no longer have access to this project.
To remove yourself from a project, you'll go through the same process.
We'll check to make sure you're sure you don't need access anymore, and off you go!
If you need to remove a person from your Basecamp account entirely, head on over to Adminland.