Officers from Nottinghamshire Police were called just after 5.30pm yesterday (16 October) after the discovery by a member of the public near Windmill Lane.
A specialist bomb disposal unit attended. A controlled explosion was carried out around 10.30am.
No evacuations were required.
Inspector Simon Riley, of Nottinghamshire Police, said: “I’d like to thank the local community and our partners for their support in bringing this situation to a safe conclusion.”