diff --git a/docker-compose.yml b/docker-compose.yml
index cbc77b9..78e5d6f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -18,9 +18,6 @@ services:
       - ENABLE_SPAMASSASSIN=1
       - ENABLE_CLAMAV=1
       - ENABLE_FAIL2BAN=1
-      - POSTFIX_INET_PROTOCOLS=ipv4
-      - POSTFIX_MASTER_CF_INET=172.26.0.5:25 inet n - n - - smtpd -o smtpd_upstream_proxy_protocol=haproxy
-      - POSTFIX_MASTER_CF_SUBMISSION=172.26.0.5:587 inet n - n - - smtpd -o smtpd_upstream_proxy_protocol=haproxy -o smtpd_tls_security_level=may
     volumes:
       - mail-data:/var/mail
       - mail-state:/var/mail-state