The 28-year-old centre-back joined the Buccaneers from Akwa United in 2021 and went on to play 86 games, winning the MTN8 three times.
He was still contracted to the club but had yet to play this season and asked to be released.
Ndah's last league match for the club was a 3-0 win over Polokwane City in September 2024.
Part of a Pirates statement read: "Orlando Pirates Football Club can confirm that the Club has reached a mutual agreement with defender Olisa Ndah to part ways.
"The Nigerian international requested an early release from his contract, a decision that follows careful and respectful discussions between the player and the Club's management. Central to these conversations was a shared understanding to afford Ndah the opportunity to secure regular game time elsewhere as he enters the next phase of his career.
"The Club respects Ndah's desire for increased minutes on the field and acknowledges his honest engagement with management throughout the process. It is in this spirit of mutual respect that an amicable decision was reached.
“Orlando Pirates Football Club would like to thank Olisa for his professionalism, dedication and service to the Club. We wish him every success in the next chapter of his career, both on a personal level and in his continued journey in the game.”
Orlando Pirates will be looking to make a return to the Betway Premiership summit with all three points at the newly renamed Orlando Amstel Arena against Magesi on Saturday.
Lebone Seema says Orlando Pirates must keep plugging away to achieve their aims of securing their first South African top-flight title since the 2011/12 season.
Orlando Pirates' defensive consistency has not gone unnoticed within the squad, with defender Lebone Seema pointing to head coach Abdeslam Ouaddou's influence as a key factor behind the success.
Orlando Pirates coach Abdeslam Ouaddou insists his side are not focused on their position on the Betway Premiership table, after slipping from first place to third, behind rivals Kaizer Chiefs.
