Sunan an-Nasa'i 2949

أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنِ ابْنِ شِهَابٍ، عَنْ سَالِمٍ، عَنْ أَبِيهِ، قَالَ لَمْ أَرَ رَسُولَ اللَّهِ صلى الله عليه وسلم يَمْسَحُ مِنَ الْبَيْتِ إِلاَّ الرُّكْنَيْنِ الْيَمَانِيَيْنِ ‏.‏

It was narrated from Salim that his father said:"I did not see the Messenger of Allah touching any part of the House except the two Yemeni Corners