diff --git a/config/nginx.auth.conf b/config/nginx.auth.conf
index 875278d..f7e100d 100644
--- a/config/nginx.auth.conf
+++ b/config/nginx.auth.conf
@@ -47,7 +47,7 @@ server {
     }
 
     location / {
-        limit_req                zone=req_limit_per_ip burst=30 delay=20;
+        limit_req                zone=req_limit_per_ip burst=30;
         limit_conn               conn_limit_per_ip 30;
 
         proxy_pass               http://app;
diff --git a/config/nginx.off.conf b/config/nginx.off.conf
index 3aaf7bc..fa40d51 100644
--- a/config/nginx.off.conf
+++ b/config/nginx.off.conf
@@ -9,7 +9,7 @@ server {
     listen                  80;
     include                 /etc/nginx/mime.types;
 
-    limit_req               zone=req_limit_per_ip burst=30 delay=20;
+    limit_req               zone=req_limit_per_ip burst=30;
     limit_conn              conn_limit_per_ip 30;
 
     location / {