Q. Aslm. If I make sajdah sahw when not needed what should I do?
A. If a person made Sajdah Sahw and then later realized that Sajdah Sahw was not necessary, the Salaah will be valid. It will not be necessary to repeat the Salaah. (Shaami 1/599)
Allah Ta’ala Knows Best
Mufti Ismaeel Bassa