Auditions were originally set to begin on July 13, but producers announced a delay due to the death.
"We can confirm that The X Factor auditions scheduled for Tuesday have been cancelled. We will now start auditions in Manchester on Wednesday and Thursday this week said a spokesman for the show in an update late Monday night," said a spokesman for the show.
The judges for the UK show are Cowell, Cheryl Fernandez-Versini, Rita Ora and Nick Grimshaw.