No further action will be taken against a 73-year-old man arrested on suspicion of murdering a mother-of-three from Middlesbrough.
Deborah Wilkinson, 42, was found with head injuries at a house in the Hemlington area of the town on 19 August in 2016.
A 73-year-old man was arrested and bailed over her murder in August.
Cleveland Police have now concluded there were no suspicious circumstances surrounding her death.
The coroner has been informed, the force said.