diff --git a/nginx/snippets/ssl.conf b/nginx/snippets/ssl.conf
index 212e79b..c58aeee 100644
--- a/nginx/snippets/ssl.conf
+++ b/nginx/snippets/ssl.conf
@@ -5,12 +5,7 @@ ssl_session_tickets off;
 ssl_protocols TLSv1.2 TLSv1.3;
 ssl_prefer_server_ciphers on;
 ssl_ciphers ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305;
-ssl_ecdh_curve X25519:X448:secp384r1:secp256k1;
-
 ssl_stapling on;
 ssl_stapling_verify on;
 resolver 127.0.0.1:53 '[::1]:53' 1.1.1.1:53 1.0.0.1:53 '[2606:4700:4700::1111]:53' '[2606:4700:4700::1001]:53' valid=300s;
 resolver_timeout 30s;
-
-# Not needed normally as mailcow has this already set.
-#add_header Strict-Transport-Security "max-age=31536000";