diff --git a/.env.sample b/.env.sample
index ae96d63..ef277ac 100644
--- a/.env.sample
+++ b/.env.sample
@@ -10,7 +10,6 @@ CORE_SMTP_HOST=mail_example_com_smtp # mailu smtp
 CORE_SMTP_PORT=25
 
 MAILMAN_ADMIN_EMAIL=admin@example.com
-MAILMAN_ADMIN_USER=admin
 
 SMTP_HOST=mail_example_com_smtp # mailu smtp
 SMTP_PORT=25
diff --git a/compose.yml b/compose.yml
index 4f46027..f150ec8 100644
--- a/compose.yml
+++ b/compose.yml
@@ -50,7 +50,6 @@ services:
       - DATABASE_TYPE=postgres
       - HYPERKITTY_API_KEY_FILE=/run/secrets/hyperkitty_api_key
       - MAILMAN_ADMIN_EMAIL
-      - MAILMAN_ADMIN_USER
       - SECRET_KEY_FILE=/run/secrets/django_secret_key
       - SERVE_FROM_DOMAIN
       - SMTP_HOST