diff --git a/doc/man/man5/slapd.conf.5 b/doc/man/man5/slapd.conf.5
index b41a70f102..7839dde9e5 100644
--- a/doc/man/man5/slapd.conf.5
+++ b/doc/man/man5/slapd.conf.5
@@ -852,10 +852,6 @@ may be specified to disallow use of this index by language subtypes.
 The special type
 .B nosubtypes
 may be specified to disallow use of this index by named subtypes.
-The special type
-.B autosubtypes
-may be specified to automatically maintain separate indices for each
-named subtype of the attribute type.  
 Note: changing index settings requires rebuilding indices, see
 .BR slapindex (8).
 .TP