EM generating SSL cert expire log even after deleting old expired certs

I am getting below log on ltm and gtm even after removal of old expired certs from EM - "cd /config/em/ssl.crt/"

 

F5: GTM BIG3D SSL certificate will expire (bigipGtmBig3dSslCertWillExpire): SNMP_TRAP: SSL cert from IP ::ffff:172.X.X.X:42983 WILL EXPIRE on Apr 26 12:49:21 2019 GMT; Object=abc-erg-f5gt01.net.eds.com; IP=27.X.X.X; Subobject=172.X.X.X; Class=BreakFix

 

Details of EM - Ver 3.0.0 1138.0 Final