Hidden fields in a form are being shown as subform.

Hidden fields in a form are being shown as subform.

Hi, 

I have put some fields as hidden fields for the rest of the users in a form. Then I am using that form as a sub-form in another one, but the hidden fields are shown. 

I know how to solve for my application, but that is a bug, it should work differently. 

Kind regards, 

Mari.