(28) باب ذِكْرُ مُعَاوِيَةَ رضى الله عنه
Narrated Humran bin Aban:
Muawiya said (to the people), "You offer a prayer which we, who were the companions of the Prophet (ﷺ) never saw the Prophet (ﷺ) offering, and he forbade its offering," i.e. the two rak`at after the compulsory `Asr prayer.
Reference: Sahih al-Bukhari 3766
In-book reference: Book 62, Hadith 113
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 5, Book 57, Hadith 110