To disable checklist:

1. Go to Sign Requests or Templates as applicable.
2. Search for and select the sign request or template you want to edit.
3. Click the form icon (third from the left) in the header. If you see a document icon instead, then you’re already in the form/checklist editor view and can go to the next step.
4. Turn off the “Enable checklist” toggle appearing near the upper right of the page.