Abd al-Rahman bin Yazid al-Nakha'i narrates: Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) used to erase the "Mu'awwidhatayn" from his copy of the Qur'an and would say: "These two are not part of the Book of Allah."
Abdullah bin Ahmad and al-Tabarani recorded it; the narrators of Abdullah are the narrators of the Sahih, and the narrators of al-Tabarani are thiqat (trustworthy).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب التفسير / 11562
Hadith Gradingمحدثین:إسنادہ صحیح
Hadith Takhrij«اخرجه الطبراني فى المعجم الكبير (9150) اخرجه احمد فى المسند (129/5)»