Sakon Yamamoto is to remain as a second test driver with Japanese Formula One team Super Aguri.
Yamamoto is happy with his reserve role
The fledgling team failed to score a point in their debut season this year and the 24-year-old Yamamoto failed to finish his first four races.
Briton Anthony Davidson will join Japan's Takuma Sato in the Super Aguri race seats next year.
Dutchman Giedo van der Garde was hired as the team's first reserve driver earlier this month.
Super Aguri joined the Formula One grid as the 11th team in 2006 using a revamped version of a four-year-old Arrows.
They finished the year considerably more competitive than they started it, with Sato posting a surprising 10th in Brazil.