What is the ruling on mentioning Allaah’s Name in Toilets?

Question 11: What is the ruling on mentioning Allaah’s Name or saying Tahleel (“La ilaha illa Allah [There is no god except Allah]”) in the bathrooms? Is it obligatory to say the Shahaadah (Testimony of Faith) when pouring water over their body while performing Ghusl (ritual bath) following Janaabah (major ritual impurity related to sexual discharge)?

Answer: All Praise is due to Allaah Alone and peace and blessings be upon His Messenger, his family and Companions. To commence: It is Makrooh (disliked) to mention Allaah’s Name or say Tahleel in the bathroom and it is not lawful… read more here.