According to media reports, Caterham reserve Frijns spoke to senior figures at Russian Time – winner of last season's Teams' title – during the Spa-Francorchamps round with a view to a potential race seat in 2015.
But Timo Gans, who has been working with the 23-year-old since late last year, has denied the speculation.
"We haven't spent one single second thinking about doing a step back to GP2," commented Gans, when quizzed over the matter by GPUpdate.net. "We want to move forward, which means a race seat in Formula 1."
Frijns enjoyed a successful stint in GP2 last year, claiming victory during his second weekend in the series.