Sayyiduna Imran bin Husayn (may Allah be pleased with him) said: We performed tamattu' with the Messenger of Allah (peace and blessings be upon him), and the Qur'an was also revealed concerning it; so now let whoever wishes say whatever he likes by his own opinion.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 8870