You can remove the value of a customer property in a workflow. You can remove the values of various customer properties. To add the Remove value from customer property action to the workflow, click on the "Remove value from customer property" icon.
To set the parameters, click on the node.
The settings window will appear.
Insert the name of the node.
Select the property from the dropdown you want to remove from the customer account.
When everything is set, click on the "Confirm" button.