Removing Old Employees from "Team Calendar"

[LClausenGWS]

Can anyone tell me how to remove old employees who are still showing up from the "Team Calendar?"  I have verified that the user is disabled in AD, Azure and that the Manager fields are blank.  From my research online this is what adds/removes someone from the Team Calendar.  Any suggestion would be appreciated.

[#2]

@LClausenGWS did you try to hide your disabled users from the Global Address list ? 

You can hide the account from the Global Address List in Office 365 by setting the msExchHideFromAddressLists attribute for the object to “true” in their on-premises Active Directoryand sync the user to AAD again

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