diff --git a/.phan/config.php b/.phan/config.php
index c9f5e278..785e9df7 100644
--- a/.phan/config.php
+++ b/.phan/config.php
@@ -36,4 +36,6 @@ return [
     ],
 
     'skip_slow_php_options_warning' => true,
+
+    'exclude_file_regex' => '@^vendor/.*/(tests|Tests)/@',
 ];