To deactivate your Shopify API connection to the Google Merchant Center, in order to prevent interference with the product data submitted by your feed, follow these steps below.
- Login to the Shopify admin
- Navigate to “Apps” and then click on the “Google Shopping” app
- Click “Settings” at the top-right
- Delete the value in the “Merchant Center ID” field*
- Click “Save”
*If this setup doesn’t work, you may try clicking “Change Google Account” to disassociate the account, and simply not filling in any new account information.