diff --git a/default.conf b/default.conf
index 071ec94b2..e3a86f4cd 100644
--- a/default.conf
+++ b/default.conf
@@ -1,10 +1,3 @@
-map $sent_http_content_type $expires {
-    default                    off;
-    text/html                  epoch;
-    text/css                   max;
-    application/javascript     epoch;
-}
-
 server {
     listen       9001 ssl;
     listen       [::]:9001 ssl;
@@ -21,5 +14,9 @@ server {
         root   /usr/share/nginx/html;
     }
     ssi on;
-    expires $expires;
+    add_header Last-Modified $date_gmt;
+    add_header Cache-Control 'no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0';
+    if_modified_since off;
+    expires off;
+    etag off;
 }