diff --git a/roles/mqtt/application/templates/main.conf b/roles/mqtt/application/templates/main.conf
index 758a999..30b92a9 100644
--- a/roles/mqtt/application/templates/main.conf
+++ b/roles/mqtt/application/templates/main.conf
@@ -2,7 +2,6 @@
 allow_anonymous false
 acl_file {{ acl_file }}
 password_file {{ auth_file }}
-use_username_as_clientid true
 
 # Socket
 protocol mqtt