If Guyot did have the remover, I'd imagine he wouldn't have enough bio-energy to activate it since he is currently using a dummy crystal. It was different when he was a full fledge Zoalord, and yet he barely managed to take off Guyver III's unit.
Leaning a bit off topic here, but would it be possible for Guyot to survive his encounter with Alchanfel using the energy from the Remover? Please correct me if I'm wrong, but I seem to remember the remover needing charging using bio-energy. Perhaps Guyot can siphon back the energy that he put into the remover to get out of harms way even for just an instant?