diff --git a/phpBB/install/database_update_migrations.php b/phpBB/install/database_update_migrations.php
deleted file mode 100644
index 52682dc489..0000000000
--- a/phpBB/install/database_update_migrations.php
+++ /dev/null
@@ -1,139 +0,0 @@
-<?php
-/**
-*
-* @package phpBB3
-* @copyright (c) 2005 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
-*
-*/
-
-$update_start_time = time();
-
-use Symfony\Component\Config\FileLocator;
-use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
-
-/**
-* @ignore
-*/
-define('IN_PHPBB', true);
-$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './../';
-$phpEx = substr(strrchr(__FILE__, '.'), 1);
-
-require($phpbb_root_path . 'includes/startup.' . $phpEx);
-
-if (file_exists($phpbb_root_path . 'config.' . $phpEx))
-{
-	require($phpbb_root_path . 'config.' . $phpEx);
-}
-
-// Include files
-require($phpbb_root_path . 'includes/class_loader.' . $phpEx);
-
-require($phpbb_root_path . 'includes/functions.' . $phpEx);
-require($phpbb_root_path . 'includes/functions_content.' . $phpEx);
-require($phpbb_root_path . 'includes/functions_container.' . $phpEx);
-
-require($phpbb_root_path . 'includes/constants.' . $phpEx);
-require($phpbb_root_path . 'includes/utf/utf_tools.' . $phpEx);
-
-// Set PHP error handler to ours
-set_error_handler(defined('PHPBB_MSG_HANDLER') ? PHPBB_MSG_HANDLER : 'msg_handler');
-
-// Setup class loader first
-$phpbb_class_loader = new phpbb_class_loader('phpbb_', "{$phpbb_root_path}includes/", ".$phpEx");
-$phpbb_class_loader->register();
-
-// Set up container
-$container_extensions = array(
-	new phpbb_di_extension_config($phpbb_root_path . 'config.' . $phpEx),
-	new phpbb_di_extension_core($phpbb_root_path),
-);
-$container_passes = array(
-	new phpbb_di_pass_collection_pass(),
-	//new phpbb_di_pass_kernel_pass(),
-);
-$phpbb_container = phpbb_create_container($container_extensions, $phpbb_root_path, $phpEx);
-
-// Compile the container
-foreach ($container_passes as $pass)
-{
-	$phpbb_container->addCompilerPass($pass);
-}
-$phpbb_container->compile();
-
-// set up caching
-$cache = $phpbb_container->get('cache');
-
-// Instantiate some basic classes
-$phpbb_dispatcher = $phpbb_container->get('dispatcher');
-$request	= $phpbb_container->get('request');
-$user		= $phpbb_container->get('user');
-$auth		= $phpbb_container->get('auth');
-$db			= $phpbb_container->get('dbal.conn');
-
-// make sure request_var uses this request instance
-request_var('', 0, false, false, $request); // "dependency injection" for a function
-
-// Grab global variables, re-cache if necessary
-$config = $phpbb_container->get('config');
-set_config(null, null, null, $config);
-set_config_count(null, null, null, $config);
-
-// End startup code
-
-$db_tools = $phpbb_container->get('dbal.tools');
-if (!$db_tools->sql_table_exists(MIGRATIONS_TABLE))
-{
-	$db_tools->sql_create_table(MIGRATIONS_TABLE, array(
-		'COLUMNS'		=> array(
-			'migration_name'			=> array('VCHAR', ''),
-			'migration_depends_on'		=> array('TEXT', ''),
-			'migration_schema_done'		=> array('BOOL', 0),
-			'migration_data_done'		=> array('BOOL', 0),
-			'migration_data_state'		=> array('TEXT', ''),
-			'migration_start_time'		=> array('TIMESTAMP', 0),
-			'migration_end_time'		=> array('TIMESTAMP', 0),
-		),
-		'PRIMARY_KEY'	=> 'migration_name',
-	));
-}
-
-$migrator = $phpbb_container->get('migrator');
-$migrator->load_migrations($phpbb_root_path . 'includes/db/migration/data/');
-
-// What is a safe limit of execution time? Half the max execution time should be safe.
-$safe_time_limit = (ini_get('max_execution_time') / 2);
-
-while (!$migrator->finished())
-{
-	try
-	{
-		$migrator->update();
-	}
-	catch (phpbb_db_migration_exception $e)
-	{
-		echo $e;
-
-		garbage_collection();
-		exit_handler();
-	}
-
-	echo $migrator->last_run_migration['name'] . '<br />';
-
-	// Are we approaching the time limit? If so we want to pause the update and continue after refreshing
-	if ((time() - $update_start_time) >= $safe_time_limit)
-	{
-		//echo '<meta http-equiv="refresh" content="0;url=' . str_replace('&', '&amp;', append_sid($phpbb_root_path . 'test.' . $phpEx)) . '" />';
-		echo 'Update not yet completed.<br />';
-		echo '<a href="' . append_sid($phpbb_root_path . 'test.' . $phpEx) . '">Continue</a>';
-
-		garbage_collection();
-		exit_handler();
-	}
-}
-
-echo 'Finished';
-
-garbage_collection();
-exit_handler();