When the Messenger of Allah (ﷺ) died, the wives of the Prophet (ﷺ) intended to send 'Uthman b. 'Affan to Abu Bakr to ask him their cost of living from (the inheritance of) the Prophet (ﷺ). Thereupon 'Aishah said: Did not the Messenger of Allah (ﷺ) say: We are not inherited. Whatever we leave is sadaqah.
Sunan Abi Dawud Book 20, Hadith 49
← Previous Hadith AbulBakhtari said: I heard from a man a tradition which I liked. I said to him: Write it down for me. So he brought it clearly written to me.

(It says): Al-Abbas and Ali entered upon Umar when Talhah, az-Zubayr, AbdurRahman and Sa'd were with him. They (Abbas and Ali) were disputing.

Umar said to Talhah, az-Zubayr, AbdurRahman and Sa'd: Do you not know that the Messenger of Allah (ﷺ) said: All the property of the Prophet (ﷺ) is sadaqah (alms), except what he provided for his family for their sustenance and their clothing. We are not to be inherited.

They said: Yes, indeed. He said: The Messenger of Allah (ﷺ) used to spend from his property on his family, and give the residue as sadaqah (alms). The Messenger of Allah (ﷺ) then died, and AbuBakr ruled for two years. He would deal with it in the same manner as the Messenger of Allah (ﷺ) did. He then mentioned a little from the tradition of Malik ibn Aws.

Sunan Abi Dawud Book 20, Hadith 48 Next Hadith → I said: Do you not fear Allah ? Did you not hear the Messenger of Allah (ﷺ) say: We are not inherited. Whatever we leave is sadaqah (alms). This property belongs to the family of Muhammad for their emergent needs and their guest. When I die, it will go to him who becomes ruler after me.

Sunan Abi Dawud Book 20, Hadith 50