The writing was on the wall after rival company Grab acquired Uber's South-east Asia operations in March, placing the partnership — which was under review by the competition watchdog — in limbo. However, just last month, ComfortDelGro and Uber sought an extension to the Competition and Consumer Commission of Singapore's (CCCS) deadline to submit outstanding information for the review of the deal, which will see ComfortDelGro buying a 51 per cent stake in Uber's rental subsidiary, Lion City Holdings. The companies kept mum about the reasons for the extension, with some experts believing at the time that the tie-up could be kept alive by the firms to facilitate the entry of Indonesia's Go-Jek into the market — through a possible partnership with ComfortDelGro. On Friday, taxi operator said: "Consequently, the application to the CCCS will be withdrawn." Responding to media queries, the competition watchdog confirmed that the companies have requested to withdraw their applications.