Serjeant at Arms Kamal El-Hajji will step down at the end of July.
Allegations of gross misconduct were proven against Jon Barry Mills.
He called the allegations a 'complete fabrication'.
He will appear in court again today.
The party itself is not under investigation.
The club, called Drama Park Lane, is 'urgently investigating' the allegations.
Weinstein turned himself in to police around midday.
Only a third of allegations sent for full investigation so far
Commons Speaker under fire directly from MPs
One woman left with PTSD. The MPs deny the allegations