Cosby asked for more time to find new lawyers before his retrial in November.
The position became vacant last month when Jim Dicker left the university.
Police said two males, one with a gun, robbed two older men off Main Campus.
The Health Sciences Campus is safe, after a test message was “inadvertently” sent to the Temple community Friday morning.
Brian McMonagle filed to leave the defense team before Cosby begins another trial for three counts of sexual assault, after an earlier trial ended in a mistrial.
A new jury will be chosen for Cosby’s retrial, beginning on November 6.
He is accused of sexually assaulting a 15-year-old girl in the Playboy Mansion more than 40 years ago.
Officials said there were no injuries.
The judge has declared a mistrial in Bill Cosby's sexual assault case.
The 12-person jury remains in a deadlock within the courthouse.