diff --git a/conf/websocket.conf b/conf/websocket.conf
index 464bb56dedef4..213637cdabb87 100644
--- a/conf/websocket.conf
+++ b/conf/websocket.conf
@@ -54,9 +54,6 @@ authorizationEnabled=false
 # operations and publish/consume from all topics
 superUserRoles=
 
-# Autentication provider name list (comma-separated), which is a list of class names
-authenticationProviders=
-
 # Authentication settings of the proxy itself. Used to connect to brokers
 brokerClientAuthenticationPlugin=
 brokerClientAuthenticationParameters=