- Open the Play Store app.
- Tap the profile icon in the upper right corner of the screen.
- Navigate to "Payments and subscriptions" → "Payment methods" → scroll down to see more options and tap "More payment settings."
- If required, sign in to your Google Pay account.
- Under the payment method you want to remove, tap "Remove" → "Remove."
More information: https://support.google.com/googleplay/answer/4646404?hl=en&co=GENIE.Platform%3DAndroid