diff --git a/composer.json b/composer.json
index e184046e..f33066cf 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
 	"require-dev": {
 		"jakub-onderka/php-parallel-lint": "0.9.2",
-		"mediawiki/mediawiki-codesniffer": "0.12.0",
+		"mediawiki/mediawiki-codesniffer": "13.0.0",
 		"jakub-onderka/php-console-highlighter": "0.3.2"
 	},
 	"scripts": {
diff --git a/tests/phan/config.php b/tests/phan/config.php
index 4032958e..d2967bc0 100644
--- a/tests/phan/config.php
+++ b/tests/phan/config.php
@@ -1,7 +1,5 @@
 <?php
 
-use \Phan\Config;
-
 // If xdebug is enabled, we need to increase the nesting level for phan
 ini_set( 'xdebug.max_nesting_level', 1000 );