Hi Jose,

Thanks for you question.

You can only view, export, print or refresh the audit logs in the latest UCSM release.  Deleting the audit log is not currently an option.

http://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/sw/gui/config/guide/2-2/b_UCSM_GUI_System_Monitoring_Guide_2_2/b_UCSM_GUI_System_Monitoring_Guide_2_2_chapter_0110.html#task_5AE365A455F044D5903EF932DADD9CFD

HTH,

/Niles