diff --git a/roles/mailman3/files/forced_params b/roles/mailman3/files/forced_params
deleted file mode 100644
index 58cbd7463b61e1dbc81921171eddc86b4861e3a6..0000000000000000000000000000000000000000
--- a/roles/mailman3/files/forced_params
+++ /dev/null
@@ -1,6 +0,0 @@
-send_reminders = 0
-archive_volume_frequency = 1
-gateway_to_news = 0
-gateway_to_mail = 0
-dmarc_moderation_action = 1
-respond_to_post_requests = 0
diff --git a/roles/mailman3/files/mailman.mtail b/roles/mailman3/files/mailman.mtail
deleted file mode 100644
index 63c4ac74eb04aac268a3828d9053c4919a4103c4..0000000000000000000000000000000000000000
--- a/roles/mailman3/files/mailman.mtail
+++ /dev/null
@@ -1,28 +0,0 @@
-counter mailman_received_messages_total
-counter mailman_sent_messages_total
-counter mailman_recipients_total
-
-def syslog {
-  /^(?P<date>(?P<legacy_date>\w+\s+\d+\s+\d+:\d+:\d+)|(?P<rfc3339_date>\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}.\d+[-+]\d{2}:\d{2}))/ + /\s+(?:\w+@)?(?P<hostname>[-\w\.]+)\s+/ {
-    len($legacy_date) > 0 {
-      strptime($2, "Jan _2 15:04:05")
-    }
-    len($rfc3339_date) > 0 {
-      strptime($rfc3339_date, "2006-01-02T15:04:05.000000-07:00")
-    }
-    next
-  }
-}
-
-@syslog {
-  /mailman: / {
-    /post to .* from .*, success$/ {
-      mailman_received_messages_total++
-    }
-
-    /.* smtp to .* for (?P<recipients>\d+) recips,/ {
-      mailman_sent_messages_total++
-      mailman_recipients_total += $recipients
-    }
-  }
-}
diff --git a/roles/mailman3/files/node-exporter-scripts/mailman-qfiles.sh b/roles/mailman3/files/node-exporter-scripts/mailman-qfiles.sh
deleted file mode 100644
index 8b790f1b55f20f6a991b5a778ca999f07743f292..0000000000000000000000000000000000000000
--- a/roles/mailman3/files/node-exporter-scripts/mailman-qfiles.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/sh
-
-set -eu
-
-test -d /var/lib/mailman/qfiles || exit 0
-
-queues="archive retry commands virgin bounces shunt out in news"
-
-for queue in $queues; do
-  metric="mailman_qfiles_total{queue=\"${queue}\"}"
-  value="-1"
-  qdir="/var/lib/mailman/qfiles/${queue}"
-  if [ -d $qdir ]; then
-    value=$(find $qdir -type f | wc -l)
-  fi
-  echo "${metric} ${value}"
-done
diff --git a/roles/mailman3/templates/backup/mailman-source.yml.j2 b/roles/mailman3/templates/backup/mailman-source.yml.j2
deleted file mode 100644
index 826013266f31fac0dd5ef1f9b5484fcbe74b67b0..0000000000000000000000000000000000000000
--- a/roles/mailman3/templates/backup/mailman-source.yml.j2
+++ /dev/null
@@ -1,9 +0,0 @@
----
-
-- name: mailman
-  handler: file
-  schedule: "@random_every 1d"
-  params:
-    path: /var/lib/mailman
-  datasets:
-    - atoms_command: "/opt/ai/bin/tabacco-atoms --source=mailman"
diff --git a/roles/mailman3/templates/mailman.cfg.j2 b/roles/mailman3/templates/mailman.cfg.j2
index 9adf48363939bddf23e5ccdb0db348339c0f910d..d9bb46148564f8618a545cf1df8c80014c032751 100644
--- a/roles/mailman3/templates/mailman.cfg.j2
+++ b/roles/mailman3/templates/mailman.cfg.j2
@@ -242,4 +242,4 @@ lmtp_port: 6187
 # the current working directory.  Python paths should not include the trailing
 # .cfg, which the file must end with.
 #configuration: python:mailman.config.exim4
-configuration: /etc/mailman3/postfix.cfg
+#configuration: /etc/mailman3/postfix.cfg
diff --git a/roles/mailman3/templates/mailman_api.conf.j2 b/roles/mailman3/templates/mailman_api.conf.j2
deleted file mode 100644
index 0d9a391d60e2b7109db14b202fe33a5a7e8e75a7..0000000000000000000000000000000000000000
--- a/roles/mailman3/templates/mailman_api.conf.j2
+++ /dev/null
@@ -1,18 +0,0 @@
-# Configuration for python-mailman-api.
-
-SSL_CERT = '/etc/credentials/x509/mailman/server/cert.pem'
-SSL_KEY = '/etc/credentials/x509/mailman/server/private_key.pem'
-SSL_CA = '/etc/credentials/x509/mailman/ca.pem'
-
-SSO_LOGIN_SERVER = 'https://login.{{ domain_public[0] }}'
-SSO_SERVICE = 'mailman.{{ domain }}/'
-SSO_DOMAIN = '{{ domain_public[0] }}'
-SSO_GROUPS = ['admins', 'users']
-
-TLS_AUTH_ACLS = [
-    ('/api/pwreset', r'(accounts|accountadmin)\.{{ domain | regex_escape }}'),
-    ('/api/create_list', r'mailman\.{{ domain | regex_escape }}'),
-    ('/api/get_list_attrs', r'mailman\.{{ domain | regex_escape }}'),
-]
-
-MAILMAN_URL_HOST = 'www.autistici.org'