If you buy anything from play store, your payment details is automatically saved on your account. That can be used for future transaction without farther verification only if you enable auto payment.
If you need to remove payment method for any reasons, follow our instructions below.
How can you remove payment method on google play store.
Step 1. Navigate to Play Store app and select circular icon at right side of search bar.
Step 2. Click on Payment and subscription option.
Step 3. Select Payment methods from below options.
Step 4. Under payment methods, scroll down to bottom and click on more payment settings option. It will redirect you to play.google.com.
Step 5. Sign in with that play store account if your phone has different account.
Step 6. Then after, click on remove option at payment options.
Step 7. Then you will be redirect to another page and confirm your removal there.
Than your payment method will be removed from play store.
This is for today, if you have any query, you can freely ask us, we will surely reply you.