Al-Qadi Iyad: It is disliked to shave the beard but not absolutely prohibited

Ibn Hajr Al-Asqalani reported: Al-Qadi Iyad said, “It is disliked to cut, shave or trim the beard.”

[Fath ul-Bari, Book of Dress]

وَقَالَ عِيَاضٌ : يُكْرَهُ حَلْقُ اللِّحْيَةِ وَقَصُّهَا وَتَحْذِيفُهَا

فتح الباري شرح صحيح البخاري كِتَاب اللِّبَاسِ حلق اللحية وقصها وتحذيفها