1 files changed, 15 insertions, 9 deletions
diff --git a/guides/source/active_storage_overview.md b/guides/source/active_storage_overview.md
index d5387219f5..51f50e8931 100644
--- a/guides/source/active_storage_overview.md
+++ b/guides/source/active_storage_overview.md
@@ -635,7 +635,7 @@ input.addEventListener('change', (event) => {
   input.value = null
 })
 
-const uploadFile = (file) {
+const uploadFile = (file) => {
   // your form needs the file_field direct_upload: true, which
   //  provides data-direct-upload-url
   const url = input.dataset.directUploadUrl
@@ -742,16 +742,22 @@ during the test are complete and you won't receive an error from Active Storage
 saying it can't find a file.
 
 ```ruby
+module RemoveUploadedFiles
+  def after_teardown
+    super
+    remove_uploaded_files
+  end
+
+  private
+
+  def remove_uploaded_files
+    FileUtils.rm_rf(Rails.root.join('tmp', 'storage'))
+  end
+end
+
 module ActionDispatch
   class IntegrationTest
-    def remove_uploaded_files
-      FileUtils.rm_rf(Rails.root.join('tmp', 'storage'))
-    end
-
-    def after_teardown
-      super
-      remove_uploaded_files
-    end
+    prepend RemoveUploadedFiles
   end
 end
 ```