diff --git a/lib/nova b/lib/nova
index a4edb53cf8..b85f0941f3 100644
--- a/lib/nova
+++ b/lib/nova
@@ -379,7 +379,6 @@ function create_nova_conf() {
     iniset $NOVA_CONF DEFAULT metadata_workers "4"
     iniset $NOVA_CONF conductor workers "4"
     iniset $NOVA_CONF DEFAULT sql_connection `database_connection_url nova`
-    iniset $NOVA_CONF DEFAULT fatal_deprecations "True"
     iniset $NOVA_CONF DEFAULT instance_name_template "${INSTANCE_NAME_PREFIX}%08x"
     iniset $NOVA_CONF osapi_v3 enabled "True"