No need to remove either. Just be sure that your go-gauge (or sized brass if you prefer that method as I do) is fully hooked under the extractor before feeding the go-gauge into the barrel. You can remove them if its suits you, but I find it unnecessary and another chance to loose parts. Now if you feel for any reason that your ejector or extractor may need servicing of any kind, then this is a great opportunity to do so, but for headspacing only there is no need.
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