Sayyidah Umm Hani (may Allah be pleased with her) said: The Prophet (peace and blessings be upon him) prayed two rak'ahs in Makkah, and he had (also) prayed four rak'ahs, but then he did not return to them again.
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 21422