diff --git a/nginx/conf.d/default.conf b/nginx/conf.d/default.conf
deleted file mode 100644
index 8c73d38..0000000
--- a/nginx/conf.d/default.conf
+++ /dev/null
@@ -1,33 +0,0 @@
-server {
-    listen 80 default_server;
-    listen [::]:80 default_server;
-
-    listen 443 ssl http2 default_server;
-    listen [::]:443 ssl http2 default_server;
-
-    access_log  /var/log/nginx/host.access.log  main;
-
-    # SSL configuration
-    include	/etc/nginx/ssl.conf;
-
-    # Add index.php to the list if you are using PHP
-    index index.html index.htm index.nginx-debian.html;
-
-    # Default catch all to 404
-    # Added from Serverfault support https://serverfault.com/questions/994141/nginx-redirecting-the-wrong-subdomains
-    server_name _;
-    server_name_in_redirect off;
-    location / {
-        return 404;
-    }
-
-    #error_page  404              /404.html;
-
-    # redirect server error pages to the static page /50x.html
-    #
-    error_page   500 502 503 504  /50x.html;
-    location = /50x.html {
-        root   /usr/share/nginx/html;
-    }
-
-}
\ No newline at end of file
diff --git a/nginx/conf.d/ref-test-app.conf b/nginx/conf.d/ref-test-app.conf
index 9fde8b2..3c26989 100644
--- a/nginx/conf.d/ref-test-app.conf
+++ b/nginx/conf.d/ref-test-app.conf
@@ -3,17 +3,17 @@ upstream reftest {
 }
 
 server {
-    server_name domain_name;
-    listen 80;
-    listen [::]:80;
+
+    listen 80 default_server;
+    listen [::]:80 default_server;
     # Redirect to ssl
     return 301 https://$host$request_uri;
 }
 
 server {
-    server_name domain_name;
-    listen 443 ssl http2;
-    listen [::]:443 ssl http2;
+
+    listen 443 ssl http2 default_server;
+    listen [::]:443 ssl http2 default_server;
 
 	#SSL configuration
     include	/etc/nginx/ssl.conf;