diff --git a/src/mail_templates/box_update_available.ejs b/src/mail_templates/box_update_available.ejs
deleted file mode 100644
index 16161f6ac..000000000
--- a/src/mail_templates/box_update_available.ejs
+++ /dev/null
@@ -1,55 +0,0 @@
-<%if (format === 'text') { %>
-
-Dear <%= cloudronName %> Admin,
-
-Version <%= newBoxVersion %> for Cloudron <%= fqdn %> is now available!
-
-Your Cloudron will update automatically tonight. Alternately, update immediately at <%= webadminUrl %>.
-
-Changelog:
-<% for (var i = 0; i < changelog.length; i++) { %>
-  * <%- changelog[i] %>
-<% } %>
-
-Thank you,
-your Cloudron
-
-<% } else { %>
-
-<center>
-
-<img src="<%= cloudronAvatarUrl %>" width="128px" height="128px"/>
-
-<h3>Dear <%= cloudronName %> Admin,</h3>
-
-<div style="width: 650px; text-align: left;">
-    <p>
-        Version <b><%= newBoxVersion %></b> for Cloudron <%= fqdn %> is now available!
-    </p>
-
-    <p>
-        Your Cloudron will update automatically tonight.<br/>
-        Alternately, update immediately <a href="<%= webadminUrl %>">here</a>.
-    </p>
-
-    <h5>Changelog:</h5>
-    <ul>
-    <% for (var i = 0; i < changelogHTML.length; i++) { %>
-        <li><%- changelogHTML[i] %></li>
-    <% } %>
-    </ul>
-
-    <br/>
-    <br/>
-</div>
-
-<div style="font-size: 10px; color: #333333; background: #ffffff;">
-    Powered by <a href="https://cloudron.io">Cloudron</a>.
-</div>
-
-</center>
-
-<img src="https://analytics.cloudron.io/piwik.php?idsite=2&rec=1&e_c=CloudronEmail&e_a=update" style="border:0" alt="" />
-
-<% } %>
-
diff --git a/src/mailer.js b/src/mailer.js
index 5a9733f9f..05f21ea75 100644
--- a/src/mailer.js
+++ b/src/mailer.js
@@ -8,7 +8,6 @@ exports = module.exports = {
     userRemoved: userRemoved,
     adminChanged: adminChanged,
     passwordReset: passwordReset,
-    boxUpdateAvailable: boxUpdateAvailable,
     appUpdateAvailable: appUpdateAvailable,
 
     sendInvite: sendInvite,
@@ -381,50 +380,6 @@ function appDied(app) {
     });
 }
 
-function boxUpdateAvailable(newBoxVersion, changelog) {
-    assert.strictEqual(typeof newBoxVersion, 'string');
-    assert(util.isArray(changelog));
-
-    getAdminEmails(function (error, adminEmails) {
-        if (error) return console.log('Error getting admins', error);
-
-        settings.getCloudronName(function (error, cloudronName) {
-            if (error) {
-                console.error(error);
-                cloudronName = 'Cloudron';
-            }
-
-            var converter = new showdown.Converter();
-
-            var templateData = {
-                fqdn: config.fqdn(),
-                webadminUrl: config.adminOrigin(),
-                newBoxVersion: newBoxVersion,
-                changelog: changelog,
-                changelogHTML: changelog.map(function (e) { return converter.makeHtml(e); }),
-                cloudronName: cloudronName,
-                cloudronAvatarUrl: config.adminOrigin() + '/api/v1/cloudron/avatar'
-            };
-
-            var templateDataText = JSON.parse(JSON.stringify(templateData));
-            templateDataText.format = 'text';
-
-            var templateDataHTML = JSON.parse(JSON.stringify(templateData));
-            templateDataHTML.format = 'html';
-
-             var mailOptions = {
-                from: mailConfig().from,
-                to: adminEmails.join(', '),
-                subject: util.format('%s has a new update available', config.fqdn()),
-                text: render('box_update_available.ejs', templateDataText),
-                html: render('box_update_available.ejs', templateDataHTML)
-            };
-
-            enqueue(mailOptions);
-        });
-    });
-}
-
 function appUpdateAvailable(app, updateInfo) {
     assert.strictEqual(typeof app, 'object');
     assert.strictEqual(typeof updateInfo, 'object');