If those paychecks are already processed, then I suggest reaching out to our Customer Support team. They can get into your account in a secure environment and delete those items for you. You can reach our Customer Support by going to the Help icon at the top right of the account.
Follow the steps below:
Go to the Help icon to connect to a live support agent.
Provide us some information about your concern.
Click on the Talk to human button.
Select the Contact Us button and provide some details about this concern, then on the Let's talk button.
You'll now be provided options on how to connect to our Customer Support.