A body was found in Tommy Yaki Chinese Takeaway on Wellington Street last Friday.
The police were called at 12.49pm and cordoned off the area around Gas Alley and its exit into Wellington Street, for several hours.
The dead man is believed to be of south east Asian origin and aged in his early 30s.
A post mortem has taken place and police say there are no suspicious circumstances.
No inquest will be held.