From Sahih Muslim (Hadith 509):
This hadith was narrated by A'mash on the authority of the same chain of narrators and he said:One day the Messenger of Allah (ﷺ) climbed the hill of Safa' and said: Be on your guard, and the rest of the hadith was narrated like the hadith transmitted by Usama; he made no mention of the revelation of the verse:" Warn thy nearest kindred
Reference: Muslim 509