Musnad Ahmad 47:2

Muhammad ibn Ubayd narrated to us, he said: Zakariya narrated to me, from Amir, he said: Al-Harith ibn Malik ibn al-Barsa’ said: I heard the Messenger of Allah, peace and blessings of Allah be upon him, on the day of the conquest of Mecca, and he was saying: "There shall be no military expedition after this, until the Day of Resurrection."