Follow these steps to remove a collaborator's account from your Kiwi account within Shopify:
In your Shopify admin, go to Apps and select Kiwi Size Chart & Recommender.
In the Kiwi admin dashboard, navigate to the "Account" section in the left corner and navigate to the Collaborator accounts section.
Click Remove next to the account you want to delete.
Following these steps will remove the collaborator account from Kiwi. If you need further assistance, please reach out to our support team!