diff --git a/src/Config/ConfigBit.php b/src/Config/ConfigBit.php
index c975c6083953a0bb2d8197855c7fa912778a1e6f..da02b6c79d463c8f463c605aa49336fc82d339b2 100644
--- a/src/Config/ConfigBit.php
+++ b/src/Config/ConfigBit.php
@@ -126,7 +126,7 @@ class ConfigBit {
         $config_file = drupal_get_path($type, $project) . '/' . $language_config_file;
         if (file_exists($config_file)) {
           $config_file_backup = $config_file . $config_bit_data['action']['archive_files']['archive_extensiton'];
-          file_unmanaged_move($config_file, $config_file_backup);
+          \Drupal::service('file_system')->move($config_file, $config_file_backup);
         }
       }
     }
@@ -157,7 +157,7 @@ class ConfigBit {
         $config_file = drupal_get_path($type, $project) . '/' . $language_config_file;
         $config_file_backup = $config_file . $config_bit_data['action']['unarchive_files']['archive_extensiton'];
         if (!file_exists($config_file) && file_exists($config_file_backup)) {
-          file_unmanaged_move($config_file_backup, $config_file);
+          \Drupal::service('file_system')->move($config_file_backup, $config_file);
         }
       }
     }
diff --git a/varbase.install b/varbase.install
index 6729d28e58f35afe794d5204c07cfd3023c7e5b1..1d3d7294aa1011559bac7a69043f03920d35f662 100644
--- a/varbase.install
+++ b/varbase.install
@@ -29,7 +29,7 @@ function varbase_install() {
     $storage = new FileStorage($optional_install_path, StorageInterface::DEFAULT_COLLECTION);
     $config_installer->installOptionalConfig($storage, '');
     // Have the .settings.yml configs into the active config.
-    $settings_config_files = file_scan_directory($optional_install_path, '/^.*(settings.yml)$/i');
+    $settings_config_files = \Drupal::service('file_system')->scanDirectory($optional_install_path, '/^.*(settings.yml)$/i');
     if (isset($settings_config_files) && is_array($settings_config_files)) {
       foreach ($settings_config_files as $settings_config_file) {
         $settings_config_file_content = file_get_contents(DRUPAL_ROOT . '/' . $settings_config_file->uri);