On Fri, Nov 25, 2016 at 06:55:34PM +0200, Sergey Basov wrote: > Is it safe to use remove_hf("User-Agent") without check if this header > exist? > or better use if(is_present_hf("User-Agent")) { remove_hf("User-Agent"); } ? Just remove_hf is enough. is_present_hf/remove_hf might be more readable though.