reverted:
--- b/core/modules/media/media.links.action.yml
+++ a/core/modules/media/media.links.action.yml
@@ -10,10 +10,3 @@
   weight: 10
   appears_on:
     - entity.media.collection
-
-media.bulk_upload:
-  route_name: media.bulk_upload
-  title: 'Bulk upload media'
-  weight: 20
-  appears_on:
-    - entity.media.collection
diff -u b/core/modules/media/tests/src/FunctionalJavascript/MediaBulkUploadFormTest.php b/core/modules/media/tests/src/FunctionalJavascript/MediaBulkUploadFormTest.php
--- b/core/modules/media/tests/src/FunctionalJavascript/MediaBulkUploadFormTest.php
+++ b/core/modules/media/tests/src/FunctionalJavascript/MediaBulkUploadFormTest.php
@@ -57,7 +57,7 @@
     // Sort test files by extension.
     $test_files = [];
     foreach ($this->getTestFiles('image') as $image) {
-      $extension = pathinfo($image->filename, PATHINFO_EXTENSION);;
+      $extension = pathinfo($image->filename, PATHINFO_EXTENSION);
       $test_files[$extension] = isset($test_files[$extension]) ? $test_files[$extension] : [];
       $test_files[$extension][] = $image;
     }