Ryan Brooks appeared at court accused of assaulting Adam Beason, causing actual bodily harm, on September 14 and of theft of a gold coloured ring, of a value unknown, from Mr Beason on the same day.
Spalding magistrates on Thursday adjourned the case for committal to Lincoln Crown Court on January 3.
Brooks (19), of Delgate Avenue, Weston, had his bail extended. No pleas were entered.
A boy of 17, who cannot be named for legal reasons, and Cara Tebb (18), of Mill Drove South, Cowbit, were sent to the crown court when they appeared before magistrates accused of committing a series of acts with the intent to pervert the cause of justice on September 14.
Their bail was extended to December 13.