diff --git a/core/modules/system/tests/src/Functional/File/ConfigTest.php b/core/modules/system/tests/src/Functional/File/ConfigTest.php
index 56115dc4c8c..2c47c4d7a2d 100644
--- a/core/modules/system/tests/src/Functional/File/ConfigTest.php
+++ b/core/modules/system/tests/src/Functional/File/ConfigTest.php
@@ -32,7 +32,6 @@ class ConfigTest extends BrowserTestBase {
     // Set the file paths to non-default values.
     // The respective directories are created automatically
     // upon form submission.
-    $file_path = $this->publicFilesDirectory;
     $fields = [
       'file_default_scheme' => 'private',
     ];