diff --git a/contrib/prometheus-exporter/README b/contrib/prometheus-exporter/README
index 30154de95..fdbc50203 100644
--- a/contrib/prometheus-exporter/README
+++ b/contrib/prometheus-exporter/README
@@ -27,7 +27,6 @@ and the corresponding HTTP proxy must enable the HTX support. For instance:
     frontend test
         mode http
         ...
-        option http-use-htx
         http-request use-service prometheus-exporter if { path /metrics }
         ...