Hello,
Thank you for contacting Rank Math support.
To disconnect your website connection with Google, you need to remove RankMath’s app from your Google apps permissions: https://myaccount.google.com/permissions

Meanwhile, there is no active subscription on the account you are using to contact us.
Can you please search and share the receipt from FastSpring.com so we can verify your subscription with us?
However, would you want to delete your Rank Math account?
Please note that when we delete your account, you won’t be able to access your Rank Math account and its features.
Please confirm that you want to delete your RankMath.com account. This action is irreversible.
We look forward to hearing from you.
Thanks.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.