opendj3/opendj-ldap-sdk/src/main/java/org/forgerock/opendj/ldap/schema/MatchingRule.java
@@ -439,8 +439,7 @@ @Override void validate(final List<LocalizableMessage> warnings, final Schema schema) void validate(final Schema schema, final List<LocalizableMessage> warnings) throws SchemaException { // Try finding an implementation in the core schema