diff --git a/servers/slapd/schema/core.schema b/servers/slapd/schema/core.schema
index 199e5c72c5..c6ff4ffa04 100644
--- a/servers/slapd/schema/core.schema
+++ b/servers/slapd/schema/core.schema
@@ -396,7 +396,7 @@ objectclass ( 2.5.6.7 NAME 'organizationalPerson'
 	SUP person STRUCTURAL
 	MAY ( title $ x121Address $ registeredAddress $ destinationIndicator $
 		preferredDeliveryMethod $ telexNumber $ teletexTerminalIdentifier $
-		telephoneNumber $ internationaliSDNNumber $ componentCertificate $
+		telephoneNumber $ internationaliSDNNumber $ 
 		facsimileTelephoneNumber $ street $ postOfficeBox $ postalCode $
 		postalAddress $ physicalDeliveryOfficeName $ ou $ st $ l ) )