diff --git a/app/assets/.DS_Store b/app/assets/.DS_Store
deleted file mode 100644
index 29fe5375..00000000
Binary files a/app/assets/.DS_Store and /dev/null differ
diff --git a/app/assets/javascripts/.DS_Store b/app/assets/javascripts/.DS_Store
deleted file mode 100644
index 5008ddfc..00000000
Binary files a/app/assets/javascripts/.DS_Store and /dev/null differ
diff --git a/app/views/exercises/_file_form.html.slim b/app/views/exercises/_file_form.html.slim
index 642e0ee7..2acafa34 100644
--- a/app/views/exercises/_file_form.html.slim
+++ b/app/views/exercises/_file_form.html.slim
@@ -1,6 +1,5 @@
 - id = f.object.id
 - file= f.object.files.first
-//- exercise_arg = @exercise
 
 li.panel.panel-default
   .panel-heading role="tab" id="heading"
@@ -39,7 +38,8 @@ li.panel.panel-default
         .form-group
           = f.label(:role, t('activerecord.attributes.file.weight'))
           = f.number_field(:weight, class: 'form-control', min: 1, step: 'any')
-      .frame data-executable=file.file_type.executable? data-filename=file.name_with_extension data-renderable=file.file_type.renderable? data-role=file.role data-binary=file.file_type.binary? data-context-type=file.context_type
+          = f.label(file.id)
+      /.frame data-executable=file.file_type.executable? data-filename=file.name_with_extension data-renderable=file.file_type.renderable? data-role=file.role data-binary=file.file_type.binary? data-context-type=file.context_type
         - if file.file_type.binary?
           .binary-file data-file-id=file.ancestor_id
             - if file.file_type.renderable?
diff --git a/config/application.rb b/config/application.rb
index 4b2a543a..b450c891 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -22,6 +22,8 @@ module CodeOcean
     # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
     # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
     config.time_zone = 'Berlin'
+    
+    config.log_level = :warn
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]