Thanks for reaching out.
The Windows Phone Developer Registration program is no longer active, but the subscription remains linked to your Microsoft account for identity and billing integrity. This is why you cannot remove the payment method directly.
Here’s what you can do:
These steps ensure the outdated subscription no longer affects your payment settings.
References: Remove Windows Phone Developer Registration https://v4.hkg1.meaqua.org/en-us/windows/apps/publish/partner-center/open-a-developer-account.
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