Musnad Abu Ya'la al-Mawsili 154:85

Hashim ibn al-Harith narrated to us, Muhammad ibn Rabi'ah narrated to us, Aban ibn Abdullah al-Bajali narrated to us, from Abu Bakr ibn Hafs, from Ibn Umar: That the Messenger of Allah (may Allah bless him and grant him peace) did not pray before the Eid [prayer], nor after it.