Businessman Athinagoras Andreadakis, who was injured when a booby-trapped gift went off in his hands in June 2012, on Tuesday withdrew his allegations that another entrepreneur, Lavrentis Lavrentiadis, was responsible for the attack.
Andreadakis made the claim on the first day of the trial in which Lavrentiadis and six others are facing charges of plotting to kill the businessman.
Andreadakis also dropped his civil action against Lavrentiadis with which he was seeking financial compensation.
The judge adjourned the trial until December 5.
Lavrentiadis is currently awaiting trial over charges of running a criminal organization and money laundering in connection with alleged embezzlement at Proton Bank, where he was the main shareholder.