The dramatic withdrawal followed an internal disagreement over the petition, with one group of lawyers representing the APC insisting that the party had authorised the legal challenge, while another legal team led by Senior Advocate of Nigeria, Abiodun Layonu, had earlier disowned the suit.
The development has triggered a fresh controversy over the post-election process in Osun State, coming after the APC candidate had congratulated Adeleke and the party's legal team had resolved not to challenge the election result in court.
Onah made the call on Sunday during the first dry run of the 2026 Carnival Calabar at Mary Slessor Roundabout, Calabar, Cross River State, identifying private investment as a major gap in efforts to build a sustainable carnival economy.