Robin Frijns is officially a free agent as his contract with Caterham has finally expired.
The Dutchman was appointed reserve driver at the Leafield squad at the start of the year and was handed Friday drives in Bahrain and Britain, but his future became bleak when the team went into administration in October.
Although Caterham are still hopefully of returning to the grid next year, Frijns has confirmed he has left the team.
“I’d like to say thank you and goodbye to all the people at Caterham, whom I have worked with over the past 12 months,” he said.
“I keep my fingers crossed that there will be a future for the team in Formula 1 in 2015 and beyond.
“Especially I’d like to thank former Team Principal Cyril Abiteboul whom I consider to be mainly responsible for giving me the chance to become a part of the team.”