Adding "(setq org-icalendar-exclude-tags ":noexport:")" prior to exporting does not change anything.

On Thu, Jan 25, 2018 at 9:16 PM, Nicolas Goaziou <mail@nicolasgoaziou.fr> wrote:
Hello,

Ken Mankoff <mankoff@gmail.com> writes:

> Package: Org mode version 9.1.6 (9.1.6-31-gffa5f3-elpa @
> /Users/kdm/.emacs.d/elpa/org-20180122/)
>
> I thought :noexport: tags should be respected on export, but that does
> not seem to be the case for iCal export.

IIRC, this is a feature. `org-icalendar-exclude-tags' replaces
`org-export-exclude-tags'. Just set the former to ":noexport:".

Regards,

--
Nicolas Goaziou