diff --git a/doc/api/subnet4-list.json b/doc/api/subnet4-list.json
index 9166a3a1b27f9bddedb3cf5d643a6457e090c6a8..e514cbfd56c2c520cbd531b794c4b56956341e13 100644
--- a/doc/api/subnet4-list.json
+++ b/doc/api/subnet4-list.json
@@ -2,7 +2,7 @@
     "name": "subnet4-list",
     "brief": "This command is used to list all currently configured subnets. The subnets are returned in a brief form, i.e. a subnet identifier and subnet prefix is included for each subnet.",
     "description": "See <xref linkend=\"idp65\"/>",
-    "support": [ "kea-dhcp4", "kea-dhcp6" ],
+    "support": [ "kea-dhcp4"],
     "avail": "1.3.0",
     "hook": "subnet_cmds",
     "cmd-syntax": "{