In the Manage Delivery section, you are able to dismiss a delivery if a payment has failed or if the delivery has not been accepted .
In the Inbox, select Manage Deliveries
Next to the each failed item you will see the reason e.g Payment has failed OR Kings Transport delivery failed
You will be able to select Dismiss next to these items.
Select Dismiss in the confirmation pop up.
Please note: The Dismiss button is not available for successful delivery.