diff --git a/boring-nginx/ssl_params b/boring-nginx/ssl_params
index 1b29329..3fe9b59 100644
--- a/boring-nginx/ssl_params
+++ b/boring-nginx/ssl_params
@@ -6,5 +6,3 @@ ssl_prefer_server_ciphers on;
 ssl_session_cache shared:SSL:20m;
 ssl_session_timeout 15m;
 ssl_session_tickets off;
-
-add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload";