You must have administrator or manager permissions in AdMob and standard or administrative access in Google Ads to unlink your AdMob account from a Google Ads account.
Additionally, you must pause or remove all active campaigns before unlinking.
Note: You won’t be able to access or view your past campaigns unless you link to the same Google Ads account again.
To unlink your Google Ads account:
- Sign in to your AdMob account at https://admob.google.com.
- Click Settings in the sidebar.
- Click the Linked services tab.
- In the "Manage account links" section, click
in the Google Ads row.
- Click the toggle to unlink to a Google Ads account.