How Can I Delete Unnecessary Notifications Saved in System Settings on an iMac?

In System Settings, various notifications appear for websites that I don't use or don't recognise. I can turn these off but how can I delete them permanently?

iMac 27″ 5K, macOS 13.7

Posted on Oct 21, 2025 8:56 AM

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How Can I Delete Unnecessary Notifications Saved in System Settings on an iMac?

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