Al-Kāfi

Hadith 1621
sai
7ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ مُحَمَّدِ بْنِ الْحُسَيْنِ عَنِ الْحَسَنِ بْنِ أَبِي الْحَسَنِ عَنْ صَالِحِ بْنِ أَبِي الأَسْوَدِ عَنْ أَبِي الْجَارُودِ عَنْ أَبِي جَعْفَرٍ (عَلَيْهِ السَّلاَم) قَالَ لَيْسَ عَلَى الصَّفَا شَيْ‏ءٌ مُوَقَّتٌ.
7. Muhammad ibn Yahya has narrated from Muhammad ibn al-Husayn, from al-Hassan ibn abu al-Hassan from Salih ibn abu al-Aswad from abu al-Jarud who has said the following: “Abu Ja‘far (a.s.), has said, ‘There is no definite act of worship to perform on al-Safa’.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī