Praise be to Allah.
It is prescribed to recite Soorat as-Sajdah and Soorat ad-Dahr [al-Insaan] in Fajr prayer on Friday, and there is nothing wrong with always doing that. But if there is the fear that some people may think that it is obligatory to always recite them, then it is prescribed for him not to recite them sometimes. End quote.
Permanent Committee for Academic Research and Ifta’.
Fataawa Islamiyyah (1/417).
For more information, please see the answer to question no. 20436 .
And Allah knows best.