On 22 August 2015, Adeleke joined Australian club Western Sydney Wanderers. On 7 November 2015, he made his Wanderers debut. He travelled with the club to the 2015 FIFA Club World Cup, and missed his kick in the penalty shoot-out loss to ES Sétif which saw the Wanders finish sixth. On 13 February 2016, it was announced that Adeleke had left Western Sydney Wanderers.