I have defined weight based rules for several postal zones and they work fine. However, I have also defined another rule which provides free shipping above a certain dollar amount. The problem is that when getting to the shipping panel of the checkout (just before going to the payment gateway) the user gets a choice of shipping options, in this case between free shipment (because he is above the set purchase amount) and a second option for his Zone, which is not zero. It does not make sense, the user should not see that second option as there is no difference in shipping modes, i.e., no faster or slower carriers.

How can I achieve that?

Franco