diff --git a/src/cloudron.js b/src/cloudron.js
index ddb81dcba..3578a619e 100644
--- a/src/cloudron.js
+++ b/src/cloudron.js
@@ -297,11 +297,10 @@ async function updateDashboardDomain(domain, auditSource) {
     safe(services.rebuildService('turn', auditSource), { debug }); // to update the realm variable
 }
 
-async function renewCerts(options, auditSource) {
-    assert.strictEqual(typeof options, 'object');
+async function renewCerts(auditSource) {
     assert.strictEqual(typeof auditSource, 'object');
 
-    const taskId = await tasks.add(tasks.TASK_CHECK_CERTS, [ options, auditSource ]);
+    const taskId = await tasks.add(tasks.TASK_CHECK_CERTS, [ auditSource ]);
     tasks.startTask(taskId, {});
     return taskId;
 }
diff --git a/src/cron.js b/src/cron.js
index 3058551e0..60e17a80e 100644
--- a/src/cron.js
+++ b/src/cron.js
@@ -148,7 +148,7 @@ async function startJobs() {
     // randomized per Cloudron based on hourlySeed
     gJobs.certificateRenew = new CronJob({
         cronTime: `00 10 ${hour} * * *`,
-        onTick: async () => await safe(cloudron.renewCerts({}, AuditSource.CRON), { debug }),
+        onTick: async () => await safe(cloudron.renewCerts(AuditSource.CRON), { debug }),
         start: true
     });
 
diff --git a/src/reverseproxy.js b/src/reverseproxy.js
index 60e894fa8..d8f2cf74f 100644
--- a/src/reverseproxy.js
+++ b/src/reverseproxy.js
@@ -643,8 +643,7 @@ async function unconfigureApp(app) {
     await reload();
 }
 
-async function renewCerts(options, auditSource, progressCallback) {
-    assert.strictEqual(typeof options, 'object');
+async function renewCerts(auditSource, progressCallback) {
     assert.strictEqual(typeof auditSource, 'object');
     assert.strictEqual(typeof progressCallback, 'function');
 
@@ -752,12 +751,11 @@ async function cleanupCerts(auditSource, progressCallback) {
     debug('cleanupCerts: done');
 }
 
-async function checkCerts(options, auditSource, progressCallback) {
-    assert.strictEqual(typeof options, 'object');
+async function checkCerts(auditSource, progressCallback) {
     assert.strictEqual(typeof auditSource, 'object');
     assert.strictEqual(typeof progressCallback, 'function');
 
-    await renewCerts(options, auditSource, progressCallback);
+    await renewCerts(auditSource, progressCallback);
     await cleanupCerts(auditSource, progressCallback);
 }
 
diff --git a/src/routes/cloudron.js b/src/routes/cloudron.js
index f85a55752..dc8573d5f 100644
--- a/src/routes/cloudron.js
+++ b/src/routes/cloudron.js
@@ -300,9 +300,7 @@ async function prepareDashboardDomain(req, res, next) {
 }
 
 async function renewCerts(req, res, next) {
-    if ('domain' in req.body && typeof req.body.domain !== 'string') return next(new HttpError(400, 'domain must be a string'));
-
-    const [error, taskId] = await safe(cloudron.renewCerts({ domain: req.body.domain || null }, AuditSource.fromRequest(req)));
+    const [error, taskId] = await safe(cloudron.renewCerts(AuditSource.fromRequest(req)));
     if (error) return next(BoxError.toHttpError(error));
 
     next(new HttpSuccess(202, { taskId }));