Former Yorkshire bowling coach Richard Pyrah is the latest person to withdraw from the disciplinary process relating to allegations of historic racism in the county.
Seven people have been charged, but only former England captain Michael Vaughan is now due to appear at a public hearing in London next month.
Yorkshire have admitted four amended charges and will not appear, while former England striker Gary Ballance has admitted responsibility in response to his charge and will not take part.
Yorkshire and the individuals have been charged by the ECB over the allegations by former all-rounder Azeem Rafiq.
Former head coach Andrew Gale said in June that he was “doesn’t want to commit” in the process, and last week former Yorkshire players Matthew Hoggard, Tim Bresnan and John Blain took of.
The England and Wales Cricket Board’s Cricket Disciplinary Commission (CDC) will hear the charges in their absence from March 1-9.