Open the project as Company Admin.

Go to Settings module in the project.

Under Status, you will see the current status of the project, which is active. If you want to deactivate the project so that it disappears from your list of projects, click on Deactivate. Note that if you later want to reactivate the project, you will need to contact our support.

Confirm that you want to deactivate the project by clicking Deactivate.