diff --git a/.docker/release/files/usr/local/include/application.ini b/.docker/release/files/usr/local/include/application.ini
index 466b17d47..dbf1e4653 100644
--- a/.docker/release/files/usr/local/include/application.ini
+++ b/.docker/release/files/usr/local/include/application.ini
@@ -222,10 +222,10 @@ http_expires = 3600
 server_uids = On
 
 [labs]
-allow_prefetch = On
+allow_prefetch = Off
 cache_system_data = On
 date_from_headers = On
-autocreate_system_folders = On
+autocreate_system_folders = Off
 allow_message_append = Off
 login_fault_delay = 1
 log_ajax_response_write_limit = 300
@@ -284,7 +284,6 @@ cookie_default_path = ""
 cookie_default_secure = Off
 check_new_messages = On
 replace_env_in_configuration = ""
-startup_url = ""
 strict_html_parser = Off
 boundary_prefix = ""
 kolab_enabled = Off
diff --git a/dev/App/User.js b/dev/App/User.js
index 8b9a99e39..f6af760a1 100644
--- a/dev/App/User.js
+++ b/dev/App/User.js
@@ -38,7 +38,6 @@ import {
 
 import {
 	mailBox,
-	root,
 	openPgpWorkerJs,
 	openPgpJs
 } from 'Common/Links';
@@ -724,9 +723,6 @@ class AppUser extends AbstractApp {
 			this.foldersReload(value => {
 				try {
 					if (value) {
-						value = pString(SettingsGet('StartupUrl'));
-						value && rl.route.setHash(root(value), true);
-
 						startScreens([
 							MailBoxUserScreen,
 							SettingsUserScreen
diff --git a/dev/View/User/SystemDropDown.js b/dev/View/User/SystemDropDown.js
index 2e17d07b8..b2f21032b 100644
--- a/dev/View/User/SystemDropDown.js
+++ b/dev/View/User/SystemDropDown.js
@@ -75,8 +75,6 @@ export class SystemDropDownUserView extends AbstractViewRight {
 //						FolderUserStore.folderList([]);
 						Remote.foldersReload(value => {
 							if (value) {
-								value = SettingsGet('StartupUrl');
-								rl.route.setHash(root(value), true);
 //								4. Change to INBOX = reload MessageList
 //								MessageUserStore.setMessageList();
 							}
diff --git a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions.php b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions.php
index 6914ef084..5b6e579f6 100644
--- a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions.php
+++ b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions.php
@@ -820,7 +820,6 @@ class Actions
 			'LoginDefaultDomain' => $oConfig->Get('login', 'default_domain', ''),
 			'DetermineUserLanguage' => (bool)$oConfig->Get('login', 'determine_user_language', true),
 			'DetermineUserDomain' => (bool)$oConfig->Get('login', 'determine_user_domain', false),
-			'StartupUrl' => \trim(\ltrim(\trim($oConfig->Get('labs', 'startup_url', '')), '#/')),
 			'SieveAllowFileintoInbox' => (bool)$oConfig->Get('labs', 'sieve_allow_fileinto_inbox', false),
 			'ContactsIsAllowed' => false,
 			'Admin' => array(),
@@ -947,10 +946,6 @@ class Actions
 
 				$oSettings = $this->SettingsProvider()->Load($oAccount);
 
-				if (!empty($aResult['StartupUrl'])) {
-					$aResult['StartupUrl'] = $this->compileLogParams($aResult['StartupUrl'], $oAccount, true);
-				}
-
 				$aResult['MainEmail'] = \MailSo\Base\Utils::IdnToUtf8($this->getMainAccountFromToken()->Email());
 
 				$oSettingsLocal = $this->SettingsProvider(true)->Load($oAccount);
@@ -1010,8 +1005,6 @@ class Actions
 				$aResult['DevEmail'] = $oConfig->Get('labs', 'dev_email', '');
 				$aResult['DevPassword'] = $oConfig->Get('labs', 'dev_password', '');
 
-				$aResult['StartupUrl'] = '';
-
 				if (empty($aResult['AdditionalLoginError'])) {
 					$aResult['AdditionalLoginError'] = $this->GetSpecLogoutCustomMgsWithDeletion();
 				}
diff --git a/snappymail/v/0.0.0/app/libraries/RainLoop/Config/Application.php b/snappymail/v/0.0.0/app/libraries/RainLoop/Config/Application.php
index 594a730cc..fd7192407 100644
--- a/snappymail/v/0.0.0/app/libraries/RainLoop/Config/Application.php
+++ b/snappymail/v/0.0.0/app/libraries/RainLoop/Config/Application.php
@@ -313,10 +313,10 @@ Enables caching in the system'),
 			),
 
 			'labs' => array(
-				'allow_prefetch' => array(true),
+				'allow_prefetch' => array(false),
 				'cache_system_data' => array(true),
 				'date_from_headers' => array(true),
-				'autocreate_system_folders' => array(true),
+				'autocreate_system_folders' => array(false),
 				'allow_message_append' => array(false),
 				'login_fault_delay' => array(1),
 				'log_ajax_response_write_limit' => array(300),
@@ -374,7 +374,6 @@ Enables caching in the system'),
 				'cookie_default_secure' => array(false),
 				'check_new_messages' => array(true),
 				'replace_env_in_configuration' => array(''),
-				'startup_url' => array(''),
 				'strict_html_parser' => array(false),
 				'boundary_prefix' => array(''),
 				'kolab_enabled' => array(false),