"Frankie has been unfortunate as he was sent off at Morecambe in only his third appearance for us and couldn't get back in the team as we then went on an unbeaten run," said Sheridan.
Striker Akinde, signed from Ebbsfleet in the summer, played twice during his stint at Brentford without scoring.
Meanwhile, Chesterfield defender TJ Moncur, who was signed on a non-contract basis last month, has left the club.
Source: Team Talk
Source: Team Talk