The experienced Vingada was expected to take up the coaching job at Egyptian side Al-Ahly, from compatriot Manuel Jose, but turned it down five days after his appointment.
Knowing the Portuguese tactician's antsy demeanour, the club only signed the former Maritimo coach to a one-year deal.
In other team news, Guimaraes announced that full-back Alex will return to the club after spending the last four years at Wolfsburg.
Having released Luis Filipe back to Benfica, the club needed cover in the right-back position, and felt that Alex fills the void. The former Portugal international has put pen to paper on a three-year deal.