Musnad Abu Ya'la al-Mawsili 2:47

Ubayd Allah ibn Umar narrated to us, Abd al-Rahman ibn Mahdi narrated to us, Shu'bah narrated to us, from Yahya ibn Hani, from Nu'aym ibn Dajah, who said: I heard Umar saying: "There is no migration after the death of the Messenger of Allah, may Allah bless him and grant him peace."