diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index eba4401..2a4de90 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -12,5 +12,4 @@ tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );
 
 require $_tests_dir . '/includes/bootstrap.php';
 
-require_once 'vendor/autoload.php';
 require 'mock_ext_dataservice.php';