How to blacklist Win EventCodes?

Splunk Enterprise

Im trying to blacklist the below eventcodes since we dont have any use for them but somehow it is not working . I made the below change and delpoyed it to all UF via DS . Any idea why it is not working ?

[WinEventLog://Security]
disabled = 0
evt_resolve_ad_obj = 1
checkpointInterval = 5
blacklist = 1003,501,510,7036,1066,17137,8003,403,404,410,900-902,4690,4099
index = winlog
renderXml=false

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