3 files changed, 8 insertions, 8 deletions
diff --git a/phpBB/install/database_update.php b/phpBB/install/database_update.php
index 517143792a..6a91033dbb 100644
--- a/phpBB/install/database_update.php
+++ b/phpBB/install/database_update.php
@@ -13,10 +13,6 @@
 
 $update_start_time = time();
 
-use Symfony\Component\Config\FileLocator;
-use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
-
 /**
 * @ignore
 */
diff --git a/phpBB/install/index.php b/phpBB/install/index.php
index d443c537fa..395aff6c7d 100644
--- a/phpBB/install/index.php
+++ b/phpBB/install/index.php
@@ -11,10 +11,6 @@
 *
 */
 
-use Symfony\Component\Config\FileLocator;
-use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
-
 /**#@+
 * @ignore
 */
diff --git a/phpBB/install/install_update.php b/phpBB/install/install_update.php
index 28777a8d24..82ca0fc18d 100644
--- a/phpBB/install/install_update.php
+++ b/phpBB/install/install_update.php
@@ -1063,6 +1063,14 @@ class install_update extends module
 									$transfer->write_file($file_struct['filename'], $contents);
 								}
 							break;
+
+							case 'deleted':
+
+								if ($update_mode != 'download')
+								{
+									$transfer->rename($file_struct['filename'], $file_struct['filename'] . '.bak');
+								}
+							break;
 						}
 					}
 				}