"A man came to the Prophet and said: 'I feared that I might be killed after you are gone for the sake of a goat or sheep of the Sadaqah.' He said: 'Were it not that it will be given to the poor Muhajirin I would not have taken it."' (Daif)
Sunan an-Nasa'i Book 23, Hadith 32
← Previous Hadith "The Messenger of Allah enjoined giving Sadaqah;"and he narrated something similar.

Sunan an-Nasa'i Book 23, Hadith 31 Next Hadith → "The Messenger of Allah said: 'The Muslim does not have to pay Sadaqah on his slave or his horse."'

Sunan an-Nasa'i Book 23, Hadith 33