So you need to update your connection to your Google My Business account, it's easy, just follow the steps below;

1. Make sure the website you want to update is active in your account
2. Select the website settings option next to we websites drop down at the top of the page;

3. Scroll down the website settings page to the Connected Accounts section, here you will see the ID of the account you have connected for Google My Business;

4. Click on (Disconnect) 

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