It is narrated from Abu Hurayrah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "My heirs shall not divide (even) a dinar. Whatever I leave, after the maintenance of my wives and the provision of my worker, is charity."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قسم الفيء والغنيمة / 12739