diff --git a/config/nginx.sample.conf b/config/nginx.sample.conf
index 90aec737c..0113c3f4e 100644
--- a/config/nginx.sample.conf
+++ b/config/nginx.sample.conf
@@ -100,7 +100,6 @@ server {
     location = /srv/status {
       access_log off;
       log_not_found off;
-      proxy_http_version 1.1;
       proxy_set_header Host $http_host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -136,7 +135,6 @@ server {
       #
       # proxy_set_header DOES NOT inherit, by design, we must repeat it,
       # otherwise headers are not set correctly
-      proxy_http_version 1.1;
       proxy_set_header Host $http_host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -168,7 +166,6 @@ server {
     }
 
     location ~ ^/admin/backups/ {
-      proxy_http_version 1.1;
       proxy_set_header Host $http_host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -183,7 +180,6 @@ server {
     # acceleration for backups and avatars
     # see note about repetition above
     location ~ ^/(letter_avatar/|user_avatar|highlight-js|stylesheets|favicon/proxied) {
-      proxy_http_version 1.1;
       proxy_set_header Host $http_host;
       proxy_set_header X-Real-IP $remote_addr;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -217,7 +213,6 @@ server {
       proxy_cache_key $uri;
       proxy_cache_valid 200 7d;
       proxy_cache_valid 404 1m;
-      proxy_http_version 1.1;
       proxy_set_header Connection "";
 
       proxy_pass https://avatars.discourse.org/;
@@ -250,7 +245,6 @@ server {
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header X-Forwarded-Proto $thescheme;
-    proxy_http_version 1.1;
     proxy_pass http://discourse;
   }