It is narrated from Sayyiduna Abdullah bin Abi Awfa (may Allah be pleased with him): I asked him: Did you people take out a fifth (khums) from foodstuffs in the time of the Messenger of Allah (peace and blessings be upon him)? He said: We obtained some food on the day of Khaybar; a man would come and take from it as much as he needed, and then go away (no khums was taken from it). This hadith is sahih (authentic) on the condition of Imam Bukhari, for he used both Muhammad bin Abi al-Mujalid and Abdullah bin Abi al-Mujalid as evidence, but the two Shaykhs (Bukhari and Muslim) did not record it.