diff --git a/Configuration/RequestMiddlewares.php b/Configuration/RequestMiddlewares.php
index 72499e7..15e01f5 100644
--- a/Configuration/RequestMiddlewares.php
+++ b/Configuration/RequestMiddlewares.php
@@ -25,7 +25,7 @@
 return [
     'frontend' => [
         'dmk/mkvarnish/set-varnish-headers' => [
-            'target' => \DMK\Mkvarnish\Middleware\VarnishHeadersMiddleware::class,
+            'target' => DMK\Mkvarnish\Middleware\VarnishHeadersMiddleware::class,
             'after' => [
                 'typo3/cms-frontend/tsfe',
             ],
diff --git a/ext_localconf.php b/ext_localconf.php
index fdb1db3..efb45b8 100644
--- a/ext_localconf.php
+++ b/ext_localconf.php
@@ -26,13 +26,13 @@
 
 call_user_func(
     function () {
-        $configurationUtility = new \DMK\Mkvarnish\Utility\Configuration();
+        $configurationUtility = new DMK\Mkvarnish\Utility\Configuration();
         $typoScriptSetup = '';
         if ($configurationUtility->isSendCacheHeadersEnabled()) {
             $typoScriptSetup .= 'config.sendCacheHeaders = 1';
         }
 
-        \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addTypoScript(
+        TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addTypoScript(
             'varnish',
             'setup',
             $typoScriptSetup,
@@ -41,8 +41,8 @@ function () {
 
         if ($configurationUtility->isSendCacheHeadersEnabled()) {
             $GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['varnish'] = [
-                'backend' => \DMK\Mkvarnish\Cache\VarnishBackend::class,
-                'frontend' => \TYPO3\CMS\Core\Cache\Frontend\VariableFrontend::class,
+                'backend' => DMK\Mkvarnish\Cache\VarnishBackend::class,
+                'frontend' => TYPO3\CMS\Core\Cache\Frontend\VariableFrontend::class,
                 'groups' => ['pages', 'all'],
             ];
         }