There's no reason for you to worry that you added too many payment methods on your Moosend account! You can simply remove the payment methods you don't want to use again.
Just keep in mind that you in order to remove your default payment method, you first need to set a different payment method as your default!
To remove a payment method, follow the steps below:
1. Click on the Billing button, located on the top menu area of your Moosend account.
2. Click on the three vertical dots icon located on the top right side of the payment method you want to remove.
3. Click on the Remove option to completely remove this payment method.
Don't forget that you can always add a new payment method!