From "Dashboard", select "x" to delete the form.
Or delete through Clients window.
Go to "Forms" of that client, select the form that you want to delete and push "x"
No option to delete a form? Contact your team mate (Lodgeit Administrator in your office), and ask to give you access to "Delete Forms".
How to Invite Team Members and Restrict Team Access
How to Lock a Form from the other Team Members