How to clear Event Log Summary

How to clear Event Log Summary

Hi,

I just installed the OpManager and doing the setup of clients. While doing so, i get some alert message and etc. Before i release this server to production, i want it to start as fresh. I already set the database maintenance to 1 day - therefore it will remove all events / alerts. But event summary still got the data. So, how do i clear the event log summary?

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