Radio Buttons without pre selection to make use of visibility field

[#1]

When using the visibilityField, you can either make it based on if a fieldName is set or on the fieldName:value.
To not overwhelm customers with a lot of inputs we want to create a sort of wizard with each input becoming visible after another.
In our case we want to check if the Field is set.
When using dropdowns there is no problem because ‘Select option’ equals to fieldName:value = null and therefore doesnt trigger the visiblityField.
But when using Radio Buttons, there is always on Value pre selected by default and there the visibilityField of the next input already triggered.
A workaround would be to create a no selection value and add it to the option-list but that doesnt make sense.
What we need now is Radio Buttons without a preselection.
Is that somewhat possible?
Using fieldName:value doesn’t help in our case because we have dynamic option lists