How do you remove StyledTextCtrl line numbers?

How to get rid of the line numbers in StyledTextCtrl? From
the demo samples it looks like line numbers are a default behavior since they
are not explicitly setup. The appear in what looks like margin 1, perhaps by
some convention. Using SetMarginWidth(1, 0) and/or SetMarginWidth(0, 0) has no
affect.

PS. I want to keep the folding. When I moved the folding to
margin 1 I got the folding symbols displayed overtop of the line numbers. YechL

thanks,

Gerry Sutton