diff --git a/web/mattermost b/web/mattermost
index 056a4a9..190454c 100644
--- a/web/mattermost
+++ b/web/mattermost
@@ -6,7 +6,6 @@ server {
 
 server {
     listen 443;
-    server_name chat.navercorp.com;
 
     ssl on;
     ssl_certificate /cert/cert.pem;