diff --git a/src/Plugin/ConfigFilter/SplitFilter.php b/src/Plugin/ConfigFilter/SplitFilter.php
index ff24b0b..ad28afb 100644
--- a/src/Plugin/ConfigFilter/SplitFilter.php
+++ b/src/Plugin/ConfigFilter/SplitFilter.php
@@ -11,7 +11,7 @@ use Drupal\Core\Config\StorageInterface;
 use Drupal\Core\Database\Connection;
 use Drupal\Core\DependencyInjection\DependencySerializationTrait;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
-use Drupal\Component\PhpStorage\FileStorage as PhpFileStorage;
+use Drupal\Component\FileSecurity\FileSecurity;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -410,7 +410,7 @@ class SplitFilter extends ConfigFilterBase implements ContainerFactoryPluginInte
       if (file_exists($directory) && is_writable($directory)) {
         $htaccess_path = rtrim($directory, '/\\') . '/.htaccess';
         if (!file_exists($htaccess_path)) {
-          file_put_contents($htaccess_path, PhpFileStorage::htaccessLines(TRUE));
+          file_put_contents($htaccess_path, FileSecurity::htaccessLines(TRUE));
           @chmod($htaccess_path, 0444);
         }
       }
diff --git a/tests/src/Kernel/ConfigSplitCliServiceTest.php b/tests/src/Kernel/ConfigSplitCliServiceTest.php
index 5fc400a..43aff04 100644
--- a/tests/src/Kernel/ConfigSplitCliServiceTest.php
+++ b/tests/src/Kernel/ConfigSplitCliServiceTest.php
@@ -68,12 +68,7 @@ class ConfigSplitCliServiceTest extends KernelTestBase {
     $archive_data = $file->fread($file->getSize());
     // Save the tar file to unpack and read it.
     // See \Drupal\config\Tests\ConfigExportUITest::testExport()
-    try {
-      $uri = \Drupal::service('file_system')->saveData($archive_data, 'temporary://config.tar.gz');
-    }
-    catch (FileException $e) {
-      $uri = FALSE;
-    }
+    $uri = \Drupal::service('file_system')->saveData($archive_data, 'temporary://config.tar.gz');
     $temp_folder = \Drupal::service('file_system')->getTempDirectory();
     $file_target = StreamWrapperManager::getTarget($uri);
     $file_path = $temp_folder . '/' . $file_target;