A man has admitted to killing a teacher whose body was found inside a wheelie bin.

Stephen Fleming formally entered a guilty plea to manslaughter in the Victorian Supreme Court on Thursday after he was originally charged with the murder of Annette Brennan.

He admitted to killing the 67-year-old English teacher at Coolaroo in Melbourne‘s north on July 1, 2024.

Know the news with the 7NEWS app: Download today

Tip workers found Brennan’s body while moving green waste at a facility in Epping on July 3, the court was previously told.

Fleming faced a sentence indication hearing on Tuesday but the court was closed to the media.

Details of the manslaughter were not read out during Thursday’s brief arraignment hearing.

Justice Christopher Beale remanded Fleming in custody ahead of a plea hearing in September.

The killer only spoke to formally enter his plea of guilty.