diff --git a/file_example/src/Tests/FileExampleTest.php b/file_example/src/Tests/FileExampleTest.php
index d21541f..7a1fad4 100644
--- a/file_example/src/Tests/FileExampleTest.php
+++ b/file_example/src/Tests/FileExampleTest.php
@@ -28,7 +28,7 @@ class FileExampleTest extends WebTestBase {
    *
    * @var array
    */
-  public static $modules = array('file_example', 'stream_wrapper_example', 'file');
+  public static $modules = array('file_example', 'file');
 
   /**
    * @var \Drupal\user\Entity\User
@@ -74,7 +74,7 @@ class FileExampleTest extends WebTestBase {
     );
     foreach ($buttons as $button) {
       // For each scheme supported by Drupal + the session:// wrapper.
-      $schemes = array('public', 'private', 'temporary', 'session');
+      $schemes = array('public', 'private', 'temporary');
       foreach ($schemes as $scheme) {
         // Create a directory for use.
         $dirname = $scheme . '://' . $this->randomMachineName(10);