Online payment system without credit card

Is there any way to remove or hide the credit card option on the online payment form we just need a Paypal button.
I Don’t mind hacking the code to do this so where do I start.

This is making the invoiceplane unworkable for us.

PayPal ist still working without any credit card data entered. Just leave the credit card fields blank.

Related discussion: Guest Payment showing a Credit Card form

Thanks but you miss the point. It’s my clients that are confused by the credit card form not me I know it works but some people don’t know that all they have to do is press the button and not enter any information. Then I get an email asking me why they need a credit card when they asked to pay via paypal.

Thanks for the link to the discussion.