diff --git a/servers/slapd/back-bdb/back-bdb.h b/servers/slapd/back-bdb/back-bdb.h
index 0d3ad463c6..1e55821395 100644
--- a/servers/slapd/back-bdb/back-bdb.h
+++ b/servers/slapd/back-bdb/back-bdb.h
@@ -17,7 +17,7 @@ LDAP_BEGIN_DECL
 
 #define BDB_FILTER_INDICES 1
 /* #define BDB_IDL_MULTI		1 */
-#define BDB_HIER		1
+/* #define BDB_HIER		1 */
 
 #define DN_BASE_PREFIX		SLAP_INDEX_EQUALITY_PREFIX
 #define DN_ONE_PREFIX	 	'%'