diff --git a/etc/nginx.conf b/etc/nginx.conf
index a12dbbd..49d09c4 100644
--- a/etc/nginx.conf
+++ b/etc/nginx.conf
@@ -35,7 +35,6 @@ server {
   proxy_set_header Proxy "";
 
   proxy_cache_use_stale error timeout http_500 http_502 http_503 http_504;
-  proxy_cache_lock on;
   proxy_cache_valid 404 1m;
 
   location / {