Sahih al-Bukhari 1949
Sahih al-Bukhari · Book 30: Fasting · (The Statement of Allah تعالى): “And as for those who can fast with difficulty (e.g. the aged etc.) they have (a choice either to fast or) to feed a Miskin (poor person) (for every day).” (V.2:184)
Narrated Nafi`:
حَدَّثَنَا عَيَّاشٌ ، حَدَّثَنَا عَبْدُ الأَعْلَى ، حَدَّثَنَا عُبَيْدُ اللَّهِ ، عَنْ نَافِعٍ ، عَنِ ابْنِ عُمَرَ ـ رضى الله عنهما ـ قَرَأَ فِدْيَةٌ طَعَامُ مَسَاكِينَ. قَالَ هِيَ مَنْسُوخَةٌ .
Ibn `Umar recited the verse: "They had a choice either to fast or to feed a poor person for every day, and said that the order of this Verse was canceled.