diff --git a/src/config.js b/src/config.js
index ae0e2147e..e0042db90 100644
--- a/src/config.js
+++ b/src/config.js
@@ -4,8 +4,6 @@
 
 exports = module.exports = {
     baseDir: baseDir,
-    dnsInSync: dnsInSync,
-    setDnsInSync: setDnsInSync,
 
     // values set here will be lost after a upgrade/update. use the sqlite database
     // for persistent values that need to be backed up
@@ -59,14 +57,6 @@ function baseDir() {
 
 var cloudronConfigFileName = path.join(baseDir(), 'configs/cloudron.conf');
 
-function dnsInSync() {
-    return !!safe.fs.statSync(require('./paths.js').DNS_IN_SYNC_FILE);
-}
-
-function setDnsInSync(content) {
-    safe.fs.writeFileSync(require('./paths.js').DNS_IN_SYNC_FILE, content || 'if this file exists, dns is in sync');
-}
-
 function saveSync() {
     fs.writeFileSync(cloudronConfigFileName, JSON.stringify(data, null, 4)); // functions are ignored by JSON.stringify
 }
diff --git a/src/paths.js b/src/paths.js
index 179e45ae1..d3acfbc23 100644
--- a/src/paths.js
+++ b/src/paths.js
@@ -13,8 +13,6 @@ exports = module.exports = {
 
     ADDON_CONFIG_DIR: path.join(config.baseDir(), 'data/addons'),
 
-    DNS_IN_SYNC_FILE: path.join(config.baseDir(), 'data/dns_in_sync'),
-
     COLLECTD_APPCONFIG_DIR: path.join(config.baseDir(), 'data/collectd/collectd.conf.d'),
 
     DATA_DIR: path.join(config.baseDir(), 'data'),
diff --git a/src/test/config-test.js b/src/test/config-test.js
index 2d582752e..e2728310e 100644
--- a/src/test/config-test.js
+++ b/src/test/config-test.js
@@ -17,13 +17,11 @@ var config = null;
 
 describe('config', function () {
     before(function () {
-        safe.fs.unlinkSync(paths.DNS_IN_SYNC_FILE);
         delete require.cache[require.resolve('../config.js')];
         config = require('../config.js');
     });
 
     after(function () {
-        safe.fs.unlinkSync(paths.DNS_IN_SYNC_FILE);
         delete require.cache[require.resolve('../config.js')];
     });
 
@@ -32,17 +30,6 @@ describe('config', function () {
         done();
     });
 
-    it('dnsInSync() is unset', function (done) {
-        expect(config.dnsInSync()).to.not.be.ok();
-        done();
-    });
-
-    it('dnsInSync() is set', function (done) {
-        config.setDnsInSync();
-        expect(config.dnsInSync()).to.be.ok();
-        done();
-    });
-
     it('cloudron.conf generated automatically', function (done) {
         expect(fs.existsSync(path.join(config.baseDir(), 'configs/cloudron.conf'))).to.be.ok();
         done();