diff --git a/bundles/AdminBundle/Controller/Admin/Document/PrintpageControllerBase.php b/bundles/AdminBundle/Controller/Admin/Document/PrintpageControllerBase.php
index 68330bcb8c6..f275d5cd25c 100644
--- a/bundles/AdminBundle/Controller/Admin/Document/PrintpageControllerBase.php
+++ b/bundles/AdminBundle/Controller/Admin/Document/PrintpageControllerBase.php
@@ -105,7 +105,7 @@ public function saveAction(Request $request): JsonResponse
         if ($request->get('task') !== self::TASK_SAVE) {
             //check, if to cleanup existing elements of document
             $config = Config::getWeb2PrintConfig();
-            if ($config->get('generalDocumentSaveMode') == 'cleanup') {
+            if ($config['generalDocumentSaveMode'] == 'cleanup') {
                 $page->setEditables([]);
             }
         }
diff --git a/bundles/AdminBundle/Controller/Admin/SettingsController.php b/bundles/AdminBundle/Controller/Admin/SettingsController.php
index 41190ac82de..79bbb432c07 100644
--- a/bundles/AdminBundle/Controller/Admin/SettingsController.php
+++ b/bundles/AdminBundle/Controller/Admin/SettingsController.php
@@ -446,11 +446,9 @@ public function setSystemAction(
 
         $values = $this->decodeJson($request->get('data'));
 
-        $existingValues = [];
-
         try {
             $file = Config::locateConfigFile('system.yml');
-            $existingValues = Config::getConfigInstance($file, true);
+            Config::getConfigInstance($file);
         } catch (\Exception $e) {
             // nothing to do
         }
@@ -460,7 +458,6 @@ public function setSystemAction(
 
         // fallback languages
         $fallbackLanguages = [];
-        $existingValues['pimcore']['general']['fallback_languages'] = [];
         $languages = explode(',', $values['general.validLanguages']);
         $filteredLanguages = [];
 
@@ -594,8 +591,7 @@ public function getWeb2printAction(Request $request)
     {
         $this->checkPermission('web2print_settings');
 
-        $values = Config::getWeb2PrintConfig();
-        $valueArray = $values->toArray();
+        $valueArray = Config::getWeb2PrintConfig();
 
         $optionsString = [];
         if ($valueArray['wkhtml2pdfOptions'] ?? false) {
@@ -1595,7 +1591,6 @@ public function robotsTxtGetAction()
         $this->checkPermission('robots.txt');
 
         $config = Config::getRobotsConfig();
-        $config = $config->toArray();
 
         return $this->adminJson([
             'success' => true,
@@ -1842,7 +1837,7 @@ public function testWeb2printAction(Request $request)
             ];
         } elseif ($adapter instanceof \Pimcore\Web2Print\Processor\HeadlessChrome) {
             $params = Config::getWeb2PrintConfig();
-            $params = $params->get('headlessChromeSettings');
+            $params = $params['headlessChromeSettings'];
             $params = json_decode($params, true);
         }
 
diff --git a/bundles/AdminBundle/Controller/Reports/AnalyticsController.php b/bundles/AdminBundle/Controller/Reports/AnalyticsController.php
index 591cab1be9e..8ea37adc965 100644
--- a/bundles/AdminBundle/Controller/Reports/AnalyticsController.php
+++ b/bundles/AdminBundle/Controller/Reports/AnalyticsController.php
@@ -51,7 +51,7 @@ public function deeplinkAction(Request $request, SiteConfigProvider $siteConfigP
         $config = $siteConfigProvider->getSiteConfig();
 
         $url = $request->get('url');
-        $url = str_replace(['{accountId}', '{internalWebPropertyId}', '{id}'], [$config->accountid, $config->internalid, $config->profile], $url);
+        $url = str_replace(['{accountId}', '{internalWebPropertyId}', '{id}'], [$config['accountid'], $config['internalid'], $config['profile']], $url);
         $url = 'https://www.google.com/analytics/web/' . $url;
 
         return $this->redirect($url);
@@ -207,7 +207,7 @@ public function chartmetricdataAction(Request $request, SiteConfigProvider $site
         }
 
         $result = $this->service->data_ga->get(
-            'ga:' . $config->profile,
+            'ga:' . $config['profile'],
             $startDate,
             $endDate,
             implode(',', $metrics),
@@ -271,7 +271,7 @@ public function summaryAction(Request $request, SiteConfigProvider $siteConfigPr
         }
 
         $result = $this->service->data_ga->get(
-            'ga:' . $config->profile,
+            'ga:' . $config['profile'],
             $startDate,
             $endDate,
             'ga:uniquePageviews,ga:pageviews,ga:exits,ga:bounces,ga:entrances',
@@ -351,7 +351,7 @@ public function sourceAction(Request $request, SiteConfigProvider $siteConfigPro
         }
 
         $result = $this->service->data_ga->get(
-            'ga:' . $config->profile,
+            'ga:' . $config['profile'],
             $startDate,
             $endDate,
             'ga:pageviews',
@@ -423,7 +423,7 @@ public function dataExplorerAction(Request $request, SiteConfigProvider $siteCon
         }
 
         $result = $this->service->data_ga->get(
-            'ga:' . $config->profile,
+            'ga:' . $config['profile'],
             $startDate,
             $endDate,
             $metric,
diff --git a/bundles/AdminBundle/Controller/Reports/ReportsControllerBase.php b/bundles/AdminBundle/Controller/Reports/ReportsControllerBase.php
index df801845e80..bfda7dadd4f 100644
--- a/bundles/AdminBundle/Controller/Reports/ReportsControllerBase.php
+++ b/bundles/AdminBundle/Controller/Reports/ReportsControllerBase.php
@@ -24,7 +24,7 @@
 abstract class ReportsControllerBase extends AdminController
 {
     /**
-     * @return \Pimcore\Config\Config
+     * @return array
      */
     public function getConfig()
     {
diff --git a/bundles/AdminBundle/Controller/Reports/SettingsController.php b/bundles/AdminBundle/Controller/Reports/SettingsController.php
index 31576010061..e6cc5e906f4 100644
--- a/bundles/AdminBundle/Controller/Reports/SettingsController.php
+++ b/bundles/AdminBundle/Controller/Reports/SettingsController.php
@@ -38,7 +38,7 @@ class SettingsController extends ReportsControllerBase
     public function getAction(Request $request)
     {
         $this->checkPermission('system_settings');
-        $config = $this->getConfig()->toArray();
+        $config = $this->getConfig();
 
         $response = [
             'values' => $config,
diff --git a/bundles/CoreBundle/Controller/PublicServicesController.php b/bundles/CoreBundle/Controller/PublicServicesController.php
index 2667069ac79..54e71d82ed8 100644
--- a/bundles/CoreBundle/Controller/PublicServicesController.php
+++ b/bundles/CoreBundle/Controller/PublicServicesController.php
@@ -187,7 +187,7 @@ public function robotsTxtAction(Request $request)
         $domain = \Pimcore\Tool::getHostname();
         $site = Site::getByDomain($domain);
 
-        $config = Config::getRobotsConfig()->toArray();
+        $config = Config::getRobotsConfig();
 
         $siteId = 'default';
         if ($site instanceof Site) {
diff --git a/bundles/CoreBundle/EventListener/Frontend/GoogleSearchConsoleVerificationListener.php b/bundles/CoreBundle/EventListener/Frontend/GoogleSearchConsoleVerificationListener.php
index b917f29aa07..9703923451c 100644
--- a/bundles/CoreBundle/EventListener/Frontend/GoogleSearchConsoleVerificationListener.php
+++ b/bundles/CoreBundle/EventListener/Frontend/GoogleSearchConsoleVerificationListener.php
@@ -52,8 +52,8 @@ public function onKernelRequest(RequestEvent $event)
 
         $conf = \Pimcore\Config::getReportConfig();
 
-        if (!is_null($conf->get('webmastertools')) && isset($conf->get('webmastertools')->sites)) {
-            $sites = $conf->get('webmastertools')->sites->toArray();
+        if (isset($conf['webmastertools']) && isset($conf['webmastertools']['sites'])) {
+            $sites = $conf['webmastertools']['sites'];
 
             if (is_array($sites)) {
                 foreach ($sites as $site) {
diff --git a/bundles/CoreBundle/EventListener/Frontend/GoogleTagManagerListener.php b/bundles/CoreBundle/EventListener/Frontend/GoogleTagManagerListener.php
index 7015109aaef..f70fea5bd56 100644
--- a/bundles/CoreBundle/EventListener/Frontend/GoogleTagManagerListener.php
+++ b/bundles/CoreBundle/EventListener/Frontend/GoogleTagManagerListener.php
@@ -101,11 +101,11 @@ public function onKernelResponse(ResponseEvent $event)
         $siteKey = $siteId->getConfigKey();
 
         $reportConfig = Config::getReportConfig();
-        if (!isset($reportConfig->get('tagmanager')->sites->$siteKey->containerId)) {
+        if (!isset($reportConfig['tagmanager']['sites'][$siteKey]['containerId'])) {
             return;
         }
 
-        $containerId = $reportConfig->get('tagmanager')->sites->$siteKey->containerId;
+        $containerId = $reportConfig['tagmanager']['sites'][$siteKey]['containerId'];
         if (!$containerId) {
             return;
         }
diff --git a/bundles/CoreBundle/Migrations/Version20210323110055.php b/bundles/CoreBundle/Migrations/Version20210323110055.php
index d0344a09cf6..af03ed9ff09 100644
--- a/bundles/CoreBundle/Migrations/Version20210323110055.php
+++ b/bundles/CoreBundle/Migrations/Version20210323110055.php
@@ -41,7 +41,6 @@ public function up(Schema $schema): void
         }
 
         $config = Config::getConfigInstance($file);
-        $config = $config->toArray();
 
         foreach ($config as $siteId => $robotsContent) {
             SettingsStore::set('robots.txt-' . $siteId, $robotsContent, 'string', 'robots.txt');
diff --git a/bundles/CoreBundle/Migrations/Version20210630062445.php b/bundles/CoreBundle/Migrations/Version20210630062445.php
index 231faea6a64..9e1b088aa2a 100644
--- a/bundles/CoreBundle/Migrations/Version20210630062445.php
+++ b/bundles/CoreBundle/Migrations/Version20210630062445.php
@@ -39,7 +39,6 @@ public function up(Schema $schema): void
         }
 
         $config = Config::getConfigInstance($file);
-        $config = $config->toArray();
 
         SettingsStore::set(
             ReportConfigWriter::REPORT_SETTING_ID,
diff --git a/bundles/EcommerceFrameworkBundle/IndexService/Config/AbstractConfig.php b/bundles/EcommerceFrameworkBundle/IndexService/Config/AbstractConfig.php
index 2bc7d3b2a1b..59b4a5bd619 100644
--- a/bundles/EcommerceFrameworkBundle/IndexService/Config/AbstractConfig.php
+++ b/bundles/EcommerceFrameworkBundle/IndexService/Config/AbstractConfig.php
@@ -19,7 +19,6 @@
 use Pimcore\Bundle\EcommerceFrameworkBundle\IndexService\Worker\WorkerInterface;
 use Pimcore\Bundle\EcommerceFrameworkBundle\Model\AbstractCategory;
 use Pimcore\Bundle\EcommerceFrameworkBundle\Model\IndexableInterface;
-use Pimcore\Config\Config;
 use Pimcore\Model\DataObject;
 
 abstract class AbstractConfig implements ConfigInterface
diff --git a/doc/Development_Documentation/18_Tools_and_Features/27_Website_Settings.md b/doc/Development_Documentation/18_Tools_and_Features/27_Website_Settings.md
index 72e2103b9fe..7e62040ccaf 100644
--- a/doc/Development_Documentation/18_Tools_and_Features/27_Website_Settings.md
+++ b/doc/Development_Documentation/18_Tools_and_Features/27_Website_Settings.md
@@ -14,7 +14,7 @@ Examples:
 ### Access the Settings
 
 In controllers and views, you can use view helpers or argument resolves to access the config.
-The returned configuration is a `Pimcore\Config\Config` object containing your settings.
+The returned configuration is an array containing your settings.
 
 
 ### Example Configuration
@@ -39,9 +39,9 @@ Usage in a controller:
 <?php
 class TestController
 {
-    public function testAction(\Pimcore\Config\Config $websiteConfig)
+    public function testAction(array $websiteConfig)
     {
-        $recaptchaKeyPublic = $websiteConfig->get('recaptchaPublic');
+        $recaptchaKeyPublic = $websiteConfig['recaptchaPublic'];
     }    
 }
 ```
diff --git a/doc/Development_Documentation/23_Installation_and_Upgrade/09_Upgrade_Notes/README.md b/doc/Development_Documentation/23_Installation_and_Upgrade/09_Upgrade_Notes/README.md
index 8bcbe318da9..1d05353e7c9 100644
--- a/doc/Development_Documentation/23_Installation_and_Upgrade/09_Upgrade_Notes/README.md
+++ b/doc/Development_Documentation/23_Installation_and_Upgrade/09_Upgrade_Notes/README.md
@@ -15,7 +15,11 @@
 - [Listings] Removed `JsonListing`, please see [#12877](https://github.com/pimcore/pimcore/pull/12877) for details.
 - [Traits] The traits PackageVersionTrait and StateHelperTrait in lib/Extension/Bundle/Traits have been marked as
    internal, please see [#12757](https://github.com/pimcore/pimcore/pull/12757) for details.
-
+- [Config] `Pimcore\Config\Config` has been removed, see [#12477](https://github.com/pimcore/pimcore/issues/12477). Please use the returned array instead, e.g.
+  ```php
+  $web2printConfig = Config::getWeb2PrintConfig();
+  $web2printConfig = $web2printConfig['headlessChromeSettings'];
+  - ```
 
 ## 10.5.0
 - [Sessions] Changed default value for `symfony.session.cookie_secure` to `auto`
diff --git a/lib/Analytics/Google/Config/Config.php b/lib/Analytics/Google/Config/Config.php
index ecbab20d7eb..960399c1b78 100644
--- a/lib/Analytics/Google/Config/Config.php
+++ b/lib/Analytics/Google/Config/Config.php
@@ -17,33 +17,31 @@
 
 namespace Pimcore\Analytics\Google\Config;
 
-use Pimcore\Config\Config as ConfigObject;
-
 class Config
 {
     /**
-     * @var ConfigObject
+     * @var array
      */
     private $config;
 
-    public function __construct(ConfigObject $config)
+    public function __construct(array $config)
     {
         $this->config = $config;
     }
 
-    public static function fromReportConfig(ConfigObject $reportConfig): self
+    public static function fromReportConfig(array $reportConfig): self
     {
         $config = null;
-        if ($reportConfig->get('analytics')) {
-            $config = $reportConfig->get('analytics');
+        if ($reportConfig['analytics']) {
+            $config = $reportConfig['analytics'];
         } else {
-            $config = new ConfigObject([]);
+            $config = [];
         }
 
         return new self($config);
     }
 
-    public function getConfig(): ConfigObject
+    public function getConfig(): array
     {
         return $this->config;
     }
@@ -56,7 +54,7 @@ public function isSiteConfigured(string $configKey): bool
             return false;
         }
 
-        $trackId = $this->normalizeStringValue($config->get('trackid'));
+        $trackId = $this->normalizeStringValue($config['trackid']);
         if (null === $trackId) {
             return false;
         }
@@ -67,22 +65,22 @@ public function isSiteConfigured(string $configKey): bool
     /**
      * @param string $configKey
      *
-     * @return null|ConfigObject
+     * @return null|array
      */
     public function getConfigForSite(string $configKey)
     {
-        if (!$this->config->get('sites') || !$this->config->get('sites')->$configKey) {
+        if (!isset($this->config['sites']) || !isset($this->config['sites'][$configKey])) {
             return null;
         }
 
-        return $this->config->get('sites')->$configKey;
+        return $this->config['sites'][$configKey];
     }
 
     public function getConfiguredSites(): array
     {
-        $sites = $this->config->get('sites');
-        if ($sites && $sites instanceof ConfigObject) {
-            return array_keys($sites->toArray());
+        $sites = $this->config['sites'];
+        if (is_array($sites)) {
+            return $sites;
         }
 
         return [];
@@ -96,7 +94,7 @@ public function isReportingConfigured(string $configKey): bool
             return false;
         }
 
-        $profile = $this->normalizeStringValue($config->get('profile'));
+        $profile = $this->normalizeStringValue($config['profile']);
         if (null === $profile) {
             return false;
         }
diff --git a/lib/Analytics/Google/Config/ConfigProvider.php b/lib/Analytics/Google/Config/ConfigProvider.php
index 8ae1e6dc501..457c049953b 100644
--- a/lib/Analytics/Google/Config/ConfigProvider.php
+++ b/lib/Analytics/Google/Config/ConfigProvider.php
@@ -17,8 +17,6 @@
 
 namespace Pimcore\Analytics\Google\Config;
 
-use Pimcore\Config\Config as ConfigObject;
-
 class ConfigProvider
 {
     /**
@@ -27,14 +25,14 @@ class ConfigProvider
     private $config;
 
     /**
-     * @var ConfigObject|null
+     * @var array|null
      */
     private $configObject;
 
     /**
-     * @param ConfigObject|null $configObject
+     * @param array|null $configObject
      */
-    public function __construct(ConfigObject $configObject = null)
+    public function __construct(array $configObject = null)
     {
         $this->configObject = $configObject;
     }
@@ -48,7 +46,7 @@ public function getConfig(): Config
         return $this->config;
     }
 
-    private function getConfigObject(): ConfigObject
+    private function getConfigObject(): array
     {
         if (null === $this->configObject) {
             $this->configObject = $this->loadDefaultConfigObject();
@@ -57,13 +55,13 @@ private function getConfigObject(): ConfigObject
         return $this->configObject;
     }
 
-    protected function loadDefaultConfigObject(): ConfigObject
+    protected function loadDefaultConfigObject(): array
     {
         $reportConfig = \Pimcore\Config::getReportConfig();
 
-        $config = $reportConfig->get('analytics');
-        if (!$config instanceof ConfigObject) {
-            $config = new ConfigObject([]);
+        $config = $reportConfig['analytics'];
+        if (!is_array($config)) {
+            $config = [];
         }
 
         return $config;
diff --git a/lib/Analytics/Google/Config/SiteConfigProvider.php b/lib/Analytics/Google/Config/SiteConfigProvider.php
index 669e4bfd20c..646aabadb02 100644
--- a/lib/Analytics/Google/Config/SiteConfigProvider.php
+++ b/lib/Analytics/Google/Config/SiteConfigProvider.php
@@ -44,7 +44,7 @@ public function __construct(
     /**
      * @param Site|null $site
      *
-     * @return \Pimcore\Config\Config|null
+     * @return array|null
      */
     public function getSiteConfig(Site $site = null)
     {
diff --git a/lib/Analytics/Google/Tracker.php b/lib/Analytics/Google/Tracker.php
index 618a7227fd4..dd3314d9241 100644
--- a/lib/Analytics/Google/Tracker.php
+++ b/lib/Analytics/Google/Tracker.php
@@ -25,7 +25,6 @@
 use Pimcore\Analytics\Google\Event\TrackingDataEvent;
 use Pimcore\Analytics\SiteId\SiteId;
 use Pimcore\Analytics\SiteId\SiteIdProvider;
-use Pimcore\Config\Config as ConfigObject;
 use Pimcore\Event\Analytics\GoogleAnalyticsEvents;
 use Psr\Log\LoggerAwareTrait;
 use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
@@ -142,12 +141,12 @@ protected function buildCode(SiteId $siteId)
      * This method exists for BC with the existing Pimcore\Google\Analytics implementation which supports to pass a config
      * object without a Site ID. Should be removed at a later point.
      *
-     * @param ConfigObject $siteConfig
+     * @param array $siteConfig
      * @param SiteId|null $siteId
      *
      * @return string
      */
-    public function generateCodeForSiteConfig(ConfigObject $siteConfig, SiteId $siteId = null)
+    public function generateCodeForSiteConfig(array $siteConfig, SiteId $siteId = null)
     {
         if (null === $siteId) {
             $siteId = $this->siteIdProvider->getForRequest();
@@ -161,29 +160,29 @@ public function generateCodeForSiteConfig(ConfigObject $siteConfig, SiteId $site
     /**
      * @param SiteId $siteId
      * @param Config $config
-     * @param ConfigObject $siteConfig
+     * @param array $siteConfig
      *
      * @return string
      */
-    private function doBuildCode(SiteId $siteId, Config $config, ConfigObject $siteConfig)
+    private function doBuildCode(SiteId $siteId, Config $config, array $siteConfig)
     {
         $data = [
             'siteId' => $siteId,
             'config' => $config,
             'siteConfig' => $siteConfig,
-            'trackId' => $siteConfig->get('trackid'),
+            'trackId' => $siteConfig['trackid'],
             'defaultPath' => $this->getDefaultPath(),
-            'universalConfiguration' => $siteConfig->get('universal_configuration') ?? null,
-            'retargeting' => $siteConfig->get('retargetingcode') ?? false,
+            'universalConfiguration' => $siteConfig['universal_configuration'] ?? null,
+            'retargeting' => $siteConfig['retargetingcode'] ?? false,
         ];
 
-        if ($siteConfig->get('gtagcode')) {
+        if ($siteConfig['gtagcode']) {
             $template = '@PimcoreCore/Analytics/Tracking/Google/Analytics/gtagTrackingCode.html.twig';
 
-            $data['gtagConfig'] = $this->getTrackerConfigurationFromJson($siteConfig->get('universal_configuration') ?? null, [
+            $data['gtagConfig'] = $this->getTrackerConfigurationFromJson($siteConfig['universal_configuration'] ?? null, [
                 'anonymize_ip' => true,
             ]);
-        } elseif ($siteConfig->get('asynchronouscode') || $siteConfig->get('retargetingcode')) {
+        } elseif (isset($siteConfig['asynchronouscode']) || isset($siteConfig['retargetingcode'])) {
             $template = '@PimcoreCore/Analytics/Tracking/Google/Analytics/asynchronousTrackingCode.html.twig';
         } else {
             $template = '@PimcoreCore/Analytics/Tracking/Google/Analytics/universalTrackingCode.html.twig';
@@ -214,7 +213,7 @@ private function getTrackerConfigurationFromJson($configValue = null, array $def
         return array_merge($defaultConfig, $config);
     }
 
-    private function buildCodeBlocks(SiteId $siteId, ConfigObject $siteConfig): array
+    private function buildCodeBlocks(SiteId $siteId, array $siteConfig): array
     {
         $blockData = $this->buildBlockData($siteConfig);
 
@@ -234,20 +233,20 @@ private function buildCodeBlocks(SiteId $siteId, ConfigObject $siteConfig): arra
         return $blocks;
     }
 
-    private function buildBlockData(ConfigObject $siteConfig): array
+    private function buildBlockData(array $siteConfig): array
     {
         $blockData = [];
 
-        if (!empty($siteConfig->get('additionalcodebeforeinit'))) {
-            $blockData[self::BLOCK_BEFORE_INIT] = $siteConfig->get('additionalcodebeforeinit');
+        if (!empty($siteConfig['additionalcodebeforeinit'])) {
+            $blockData[self::BLOCK_BEFORE_INIT] = $siteConfig['additionalcodebeforeinit'];
         }
 
-        if (!empty($siteConfig->get('additionalcodebeforepageview'))) {
-            $blockData[self::BLOCK_BEFORE_TRACK] = $siteConfig->get('additionalcodebeforepageview');
+        if (!empty($siteConfig['additionalcodebeforepageview'])) {
+            $blockData[self::BLOCK_BEFORE_TRACK] = $siteConfig['additionalcodebeforepageview'];
         }
 
-        if (!empty($siteConfig->get('additionalcode'))) {
-            $blockData[self::BLOCK_AFTER_TRACK] = $siteConfig->get('additionalcode');
+        if (!empty($siteConfig['additionalcode'])) {
+            $blockData[self::BLOCK_AFTER_TRACK] = $siteConfig['additionalcode'];
         }
 
         return $blockData;
diff --git a/lib/Config.php b/lib/Config.php
index f48dd6cffc4..c0e98406f6d 100644
--- a/lib/Config.php
+++ b/lib/Config.php
@@ -19,7 +19,6 @@
 use Exception;
 use Pimcore;
 use Pimcore\Cache\RuntimeCache;
-use Pimcore\Config\Config as PimcoreConfig;
 use Pimcore\Config\ReportConfigWriter;
 use Pimcore\Model\Element\ElementInterface;
 use Pimcore\Model\Tool\SettingsStore;
@@ -191,7 +190,7 @@ public static function getWebsiteConfigRuntimeCacheKey($languange = null)
      *
      * @param string|null $language
      *
-     * @return PimcoreConfig
+     * @return array
      */
     public static function getWebsiteConfig($language = null)
     {
@@ -222,7 +221,6 @@ public static function getWebsiteConfig($language = null)
                 $cacheKey = $cacheKey . '_site_' . $siteId;
             }
 
-            /** @var PimcoreConfig|null $config */
             $config = Cache::load($cacheKey);
             if (!$config) {
                 $settingsArray = [];
@@ -282,12 +280,9 @@ public static function getWebsiteConfig($language = null)
                 }
 
                 //TODO resolve for all langs, current lang first, then no lang
-                $config = new PimcoreConfig($settingsArray, true);
-
-                Cache::save($config, $cacheKey, $cacheTags, null, 998);
-            } elseif ($config instanceof PimcoreConfig) {
-                $data = $config->toArray();
-                foreach ($data as $key => $setting) {
+                Cache::save($settingsArray, $cacheKey, $cacheTags, null, 998);
+            } elseif (is_array($config)) {
+                foreach ($config as $key => $setting) {
                     if ($setting instanceof ElementInterface) {
                         $elementCacheKey = $setting->getCacheTag();
                         if (!RuntimeCache::isRegistered($elementCacheKey)) {
@@ -306,10 +301,10 @@ public static function getWebsiteConfig($language = null)
     /**
      * @internal
      *
-     * @param Config\Config|null $config
+     * @param array|null $config
      * @param string|null $language
      */
-    public static function setWebsiteConfig(?PimcoreConfig $config, $language = null)
+    public static function setWebsiteConfig(?array $config, $language = null)
     {
         RuntimeCache::set(self::getWebsiteConfigRuntimeCacheKey($language), $config);
     }
@@ -327,23 +322,23 @@ public static function getWebsiteConfigValue($key = null, $default = null, $lang
     {
         $config = self::getWebsiteConfig($language);
         if (null !== $key) {
-            return $config->get($key, $default);
+            return $config[$key] ?? $default;
         }
 
         return $config;
     }
 
     /**
-     * @return PimcoreConfig
+     * @return array
      *
      * @throws Exception
      *
      * @internal
      * @static
      */
-    public static function getReportConfig(): PimcoreConfig
+    public static function getReportConfig(): array
     {
-        $config = null;
+        $config = [];
         if (RuntimeCache::isRegistered('pimcore_config_report')) {
             $config = RuntimeCache::get('pimcore_config_report');
         } else {
@@ -353,18 +348,13 @@ public static function getReportConfig(): PimcoreConfig
                 );
 
                 if ($configJson) {
-                    $configArray = json_decode($configJson->getData(), true);
-                    $config = new PimcoreConfig($configArray);
+                    $config = json_decode($configJson->getData(), true);
                 }
             } catch (Exception $e) {
                 // nothing to do
             }
         }
 
-        if (!$config) {
-            $config = new PimcoreConfig([]);
-        }
-
         self::setReportConfig($config);
 
         return $config;
@@ -373,11 +363,11 @@ public static function getReportConfig(): PimcoreConfig
     /**
      * @static
      *
-     * @param PimcoreConfig $config
+     * @param array $config
      *
      * @internal
      */
-    public static function setReportConfig(PimcoreConfig $config)
+    public static function setReportConfig(array $config)
     {
         RuntimeCache::set('pimcore_config_report', $config);
     }
@@ -385,12 +375,13 @@ public static function setReportConfig(PimcoreConfig $config)
     /**
      * @static
      *
-     * @return PimcoreConfig
+     * @return array
      *
      * @internal
      */
     public static function getRobotsConfig()
     {
+        $config = [];
         if (RuntimeCache::isRegistered('pimcore_config_robots')) {
             $config = RuntimeCache::get('pimcore_config_robots');
         } else {
@@ -401,12 +392,9 @@ public static function getRobotsConfig()
                 foreach ($robotsSettingsIds as $id) {
                     $robots = SettingsStore::get($id, $settingsStoreScope);
                     $siteId = preg_replace('/^robots\.txt\-/', '', $robots->getId());
-                    $configData[$siteId] = $robots->getData();
+                    $config[$siteId] = $robots->getData();
                 }
-
-                $config = new PimcoreConfig($configData);
             } catch (Exception $e) {
-                $config = new PimcoreConfig([]);
             }
 
             self::setRobotsConfig($config);
@@ -418,11 +406,11 @@ public static function getRobotsConfig()
     /**
      * @static
      *
-     * @param PimcoreConfig $config
+     * @param array $config
      *
      * @internal
      */
-    public static function setRobotsConfig(PimcoreConfig $config)
+    public static function setRobotsConfig(array $config)
     {
         RuntimeCache::set('pimcore_config_robots', $config);
     }
@@ -430,7 +418,7 @@ public static function setRobotsConfig(PimcoreConfig $config)
     /**
      * @static
      *
-     * @return PimcoreConfig
+     * @return array
      *
      * @internal
      */
@@ -449,11 +437,11 @@ public static function getWeb2PrintConfig()
     /**
      * @static
      *
-     * @param PimcoreConfig $config
+     * @param array $config
      *
      * @internal
      */
-    public static function setWeb2PrintConfig(PimcoreConfig $config)
+    public static function setWeb2PrintConfig(array $config)
     {
         RuntimeCache::set('pimcore_config_web2print', $config);
     }
@@ -461,7 +449,7 @@ public static function setWeb2PrintConfig(PimcoreConfig $config)
     /**
      * @static
      *
-     * @param PimcoreConfig $config
+     * @param array $config
      *
      * @internal
      */
@@ -524,13 +512,12 @@ public static function getEnvironment(): string
      * @internal
      *
      * @param string $file
-     * @param bool $asArray
      *
-     * @return Config\Config|array
+     * @return array
      *
      * @throws Exception
      */
-    public static function getConfigInstance($file, bool $asArray = false)
+    public static function getConfigInstance($file)
     {
         $fileType = pathinfo($file, PATHINFO_EXTENSION);
         if (file_exists($file)) {
@@ -541,11 +528,7 @@ public static function getConfigInstance($file, bool $asArray = false)
             }
 
             if (is_array($content)) {
-                if ($asArray) {
-                    return $content;
-                }
-
-                return new PimcoreConfig($content);
+                return $content;
             }
         } else {
             throw new Exception($file . " doesn't exist");
diff --git a/lib/Config/ReportConfigWriter.php b/lib/Config/ReportConfigWriter.php
index d8128626905..af122a82f3e 100644
--- a/lib/Config/ReportConfigWriter.php
+++ b/lib/Config/ReportConfigWriter.php
@@ -64,22 +64,13 @@ public function write(array $settings)
         );
     }
 
-    public function mergeConfig(Config $values)
+    public function mergeConfig(array $values)
     {
         // the config returned from getReportConfig is readonly
         // so we create a new writable one here
-        $config = new Config(
-            \Pimcore\Config::getReportConfig()->toArray(),
-            true
-        );
-
-        $config->merge($values);
+        $config = \Pimcore\Config::getReportConfig();
+        $config = array_merge($config, $values);
 
-        $this->write($config->toArray());
-    }
-
-    public function mergeArray(array $values)
-    {
-        $this->mergeConfig(new Config($values));
+        $this->write($config);
     }
 }
diff --git a/lib/Controller/ArgumentValueResolver/WebsiteConfigValueResolver.php b/lib/Controller/ArgumentValueResolver/WebsiteConfigValueResolver.php
index 6979fb17c4d..ea8ce8668a5 100644
--- a/lib/Controller/ArgumentValueResolver/WebsiteConfigValueResolver.php
+++ b/lib/Controller/ArgumentValueResolver/WebsiteConfigValueResolver.php
@@ -21,7 +21,8 @@
 use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
 
 /**
- * @internal
+ * Adds support for type hinting controller actions and getting the current website config.
+ *
  */
 final class WebsiteConfigValueResolver implements ArgumentValueResolverInterface
 {
@@ -33,7 +34,7 @@ final class WebsiteConfigValueResolver implements ArgumentValueResolverInterface
      */
     public function supports(Request $request, ArgumentMetadata $argument): bool
     {
-        return $argument->getType() === Config\Config::class && $argument->getName() === 'websiteConfig';
+        return $argument->getType() === "array" && $argument->getName() === 'websiteConfig';
     }
 
     /**
diff --git a/lib/Perspective/Config.php b/lib/Perspective/Config.php
index e531f8e711f..9e9486a3405 100644
--- a/lib/Perspective/Config.php
+++ b/lib/Perspective/Config.php
@@ -145,7 +145,7 @@ public static function getStandardPerspective()
                 'treeContextMenu' => [
                     'document' => [
                         'items' => [
-                            'addPrintPage' => \Pimcore\Config::getWeb2PrintConfig()->get('enableInDefaultView') ? true : false, // hide add print documents by default
+                            'addPrintPage' => \Pimcore\Config::getWeb2PrintConfig()['enableInDefaultView'] ? true : false, // hide add print documents by default
                         ],
                     ],
                 ],
diff --git a/lib/Web2Print/Config.php b/lib/Web2Print/Config.php
index 3a380cfb083..cb30581969c 100644
--- a/lib/Web2Print/Config.php
+++ b/lib/Web2Print/Config.php
@@ -89,15 +89,15 @@ public static function isWriteable(): bool
     }
 
     /**
-     * @return \Pimcore\Config\Config
+     * @return array
      */
-    public static function get(): \Pimcore\Config\Config
+    public static function get(): array
     {
         $repository = self::getRepository();
 
-        list($config) = $repository->loadConfigByKey(self::CONFIG_ID);
+        $config = $repository->loadConfigByKey(self::CONFIG_ID);
 
-        return new \Pimcore\Config\Config($config ?? []);
+        return $config[0] ?? [];
     }
 
     /**
diff --git a/lib/Web2Print/Processor.php b/lib/Web2Print/Processor.php
index d3c828f70fa..1da8bbdacb3 100644
--- a/lib/Web2Print/Processor.php
+++ b/lib/Web2Print/Processor.php
@@ -47,14 +47,14 @@ public static function getInstance()
     {
         $config = Config::getWeb2PrintConfig();
 
-        if ($config->get('generalTool') === 'pdfreactor') {
+        if ($config['generalTool'] === 'pdfreactor') {
             return new PdfReactor();
-        } elseif ($config->get('generalTool') === 'wkhtmltopdf') {
+        } elseif ($config['generalTool'] === 'wkhtmltopdf') {
             return new WkHtmlToPdf();
-        } elseif ($config->get('generalTool') === 'headlesschrome') {
+        } elseif ($config['generalTool'] === 'headlesschrome') {
             return new HeadlessChrome();
         } else {
-            throw new \Exception('Invalid Configuration - ' . $config->get('generalTool'));
+            throw new \Exception('Invalid Configuration - ' . $config['generalTool']);
         }
     }
 
diff --git a/lib/Web2Print/Processor/HeadlessChrome.php b/lib/Web2Print/Processor/HeadlessChrome.php
index 07ab4ee94e0..acc6fb3cfd2 100644
--- a/lib/Web2Print/Processor/HeadlessChrome.php
+++ b/lib/Web2Print/Processor/HeadlessChrome.php
@@ -36,7 +36,7 @@ class HeadlessChrome extends Processor
     protected function buildPdf(Document\PrintAbstract $document, $config)
     {
         $web2printConfig = Config::getWeb2PrintConfig();
-        $web2printConfig = $web2printConfig->get('headlessChromeSettings');
+        $web2printConfig = $web2printConfig['headlessChromeSettings'];
         $web2printConfig = json_decode($web2printConfig, true);
 
         $params = ['document' => $document];
diff --git a/lib/Web2Print/Processor/PdfReactor.php b/lib/Web2Print/Processor/PdfReactor.php
index 8b2a5020ec8..e89e3b70c5a 100644
--- a/lib/Web2Print/Processor/PdfReactor.php
+++ b/lib/Web2Print/Processor/PdfReactor.php
@@ -43,7 +43,7 @@ protected function getConfig($config)
         $web2PrintConfig = Config::getWeb2PrintConfig();
         $reactorConfig = [
             'document' => '',
-            'baseURL' => (string)$web2PrintConfig->get('pdfreactorBaseUrl'),
+            'baseURL' => (string)$web2PrintConfig['pdfreactorBaseUrl'],
             'author' => $config->author ?? '',
             'title' => $config->title ?? '',
             'addLinks' => isset($config->links) && $config->links === true,
@@ -53,15 +53,15 @@ protected function getConfig($config)
             'encryption' => $config->encryption ?? Encryption::NONE,
             'addTags' => isset($config->tags) && $config->tags === true,
             'logLevel' => $config->loglevel ?? LogLevel::FATAL,
-            'enableDebugMode' => $web2PrintConfig->get('pdfreactorEnableDebugMode') || (isset($config->enableDebugMode) && $config->enableDebugMode === true),
+            'enableDebugMode' => $web2PrintConfig['pdfreactorEnableDebugMode'] || (isset($config->enableDebugMode) && $config->enableDebugMode === true),
             'addOverprint' => isset($config->addOverprint) && $config->addOverprint === true,
-            'httpsMode' => $web2PrintConfig->get('pdfreactorEnableLenientHttpsMode') ? HttpsMode::LENIENT : HttpsMode::STRICT,
+            'httpsMode' => $web2PrintConfig['pdfreactorEnableLenientHttpsMode'] ? HttpsMode::LENIENT : HttpsMode::STRICT,
         ];
         if (!empty($config->viewerPreference)) {
             $reactorConfig['viewerPreferences'] = [$config->viewerPreference];
         }
-        if (trim($web2PrintConfig->get('pdfreactorLicence'))) {
-            $reactorConfig['licenseKey'] = trim($web2PrintConfig->get('pdfreactorLicence'));
+        if (trim($web2PrintConfig['pdfreactorLicence'])) {
+            $reactorConfig['licenseKey'] = trim($web2PrintConfig['pdfreactorLicence']);
         }
 
         return $reactorConfig;
@@ -75,13 +75,13 @@ protected function getClient()
         $web2PrintConfig = Config::getWeb2PrintConfig();
         $this->includeApi();
 
-        $port = ((string)$web2PrintConfig->get('pdfreactorServerPort')) ? (string)$web2PrintConfig->get('pdfreactorServerPort') : '9423';
-        $protocol = ((string)$web2PrintConfig->get('pdfreactorProtocol')) ? (string)$web2PrintConfig->get('pdfreactorProtocol') : 'http';
+        $port = ($web2PrintConfig['pdfreactorServerPort']) ? (string)$web2PrintConfig['pdfreactorServerPort'] : '9423';
+        $protocol = ($web2PrintConfig['pdfreactorProtocol']) ? (string)$web2PrintConfig['pdfreactorProtocol'] : 'http';
 
-        $pdfreactor = new \com\realobjects\pdfreactor\webservice\client\PDFreactor($protocol . '://' . $web2PrintConfig->get('pdfreactorServer') . ':' . $port . '/service/rest');
+        $pdfreactor = new \com\realobjects\pdfreactor\webservice\client\PDFreactor($protocol . '://' . $web2PrintConfig['pdfreactorServer'] . ':' . $port . '/service/rest');
 
-        if (trim($web2PrintConfig->get('pdfreactorApiKey'))) {
-            $pdfreactor->apiKey = trim($web2PrintConfig->get('pdfreactorApiKey'));
+        if (trim($web2PrintConfig['pdfreactorApiKey'])) {
+            $pdfreactor->apiKey = trim($web2PrintConfig['pdfreactorApiKey']);
         }
 
         return $pdfreactor;
diff --git a/lib/Web2Print/Processor/WkHtmlToPdf.php b/lib/Web2Print/Processor/WkHtmlToPdf.php
index 2fb21e1104c..0828184ef09 100644
--- a/lib/Web2Print/Processor/WkHtmlToPdf.php
+++ b/lib/Web2Print/Processor/WkHtmlToPdf.php
@@ -59,15 +59,15 @@ public function __construct($wkhtmltopdfBin = null, $options = null)
 
         if (!empty($wkhtmltopdfBin)) {
             $this->wkhtmltopdfBin = $wkhtmltopdfBin;
-        } elseif ($web2printConfig->get('wkhtmltopdfBin')) {
-            $this->wkhtmltopdfBin = $web2printConfig->get('wkhtmltopdfBin');
+        } elseif ($web2printConfig['wkhtmltopdfBin']) {
+            $this->wkhtmltopdfBin = $web2printConfig['wkhtmltopdfBin'];
         } elseif ($determined = Console::getExecutable('wkhtmltopdf')) {
             $this->wkhtmltopdfBin = $determined;
         }
 
         if (empty($options)) {
-            if ($web2printConfig->get('wkhtml2pdfOptions')) {
-                $options = $web2printConfig->get('wkhtml2pdfOptions')->toArray();
+            if ($web2printConfig['wkhtml2pdfOptions']) {
+                $options = $web2printConfig['wkhtml2pdfOptions']->toArray();
             }
         }
 
@@ -96,8 +96,8 @@ protected function buildPdf(Document\PrintAbstract $document, $config)
         $html = $document->renderDocument($params);
 
         $params['hostUrl'] = $config->protocol . '://' . $config->hostName;
-        if ($web2printConfig->get('wkhtml2pdfHostname')) {
-            $params['hostUrl'] = $config->protocol . '://' . $web2printConfig->get('wkhtml2pdfHostname');
+        if ($web2printConfig['wkhtml2pdfHostname']) {
+            $params['hostUrl'] = $config->protocol . '://' . $web2printConfig['wkhtml2pdfHostname'];
         }
 
         $html = $this->processHtml($html, $params);