Usage: AuditPol /remove /user[: | /allusers This command removes per-user audit policy for a specified account. Options /? ...

Usage: AuditPol /remove [/user[:|<{sid}>]]
       [/allusers]


This command removes per-user audit policy for a specified account.


Options
  /?               Help (context-sensitive).
  /user            Specifies the SID or user name for the user for whom
                   per-user audit policy is to be deleted
  /allusers        Deletes per-user audit policy for all users.


Example:
  auditpol /remove /user:{S-1-5-21-397123417-1234567}
  auditpol /remove /allusers