diff --git a/servers/slapd/schema_init.c b/servers/slapd/schema_init.c
index 827f878d99..d322938cb8 100644
--- a/servers/slapd/schema_init.c
+++ b/servers/slapd/schema_init.c
@@ -4387,10 +4387,13 @@ struct syntax_defs_rec syntax_defs[] = {
 
 	/* OpenLDAP Experimental Syntaxes */
 	{"( 1.3.6.1.4.1.4203.666.2.1 DESC 'OpenLDAP Experimental ACI' )",
-		0, UTF8StringValidate /* THIS WILL CHANGE FOR NEW ACI SYNTAX */,
+		SLAP_SYNTAX_HIDE,
+		UTF8StringValidate /* THIS WILL CHANGE FOR NEW ACI SYNTAX */,
 		NULL, NULL},
+
+	/* needs updating */
 	{"( 1.3.6.1.4.1.4203.666.2.2 DESC 'OpenLDAP authPassword' )",
-		0, NULL, NULL, NULL},
+		SLAP_SYNTAX_HIDE, NULL, NULL, NULL},
 
 	/* OpenLDAP Void Syntax */
 	{"( 1.3.6.1.4.1.4203.1.1.1 DESC 'OpenLDAP void' )" ,
@@ -4690,6 +4693,7 @@ struct mrule_defs_rec mrule_defs[] = {
 		caseExactIA5SubstringsFilter,
 		NULL},
 
+	/* needs updating */
 	{"( 1.3.6.1.4.1.4203.666.4.1 NAME 'authPasswordMatch' "
 		"SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 )",
 		SLAP_MR_EQUALITY,