diff --git a/app/controllers/notifications/notifications_controller.rb b/app/controllers/notifications/notifications_controller.rb
index 550e616..a067b38 100644
--- a/app/controllers/notifications/notifications_controller.rb
+++ b/app/controllers/notifications/notifications_controller.rb
@@ -2,11 +2,10 @@ module Notifications
 class NotificationsController < Notifications::ApplicationController
 def index
 @notifications = notifications.includes(:actor).order("id desc").page(params[:page])
+ @notification_groups = @notifications.group_by { &#124;note&#124; note.created_at.to_date }
 
- unread_ids = @notifications.reject(&:read?).select(&:id)
+ unread_ids = @notifications.unread.ids
 Notification.read!(current_user, unread_ids)
-
- @notification_groups = @notifications.group_by { &#124;note&#124; note.created_at.to_date }
 end
 
 def read
diff --git a/lib/notifications/base.rb b/lib/notifications/base.rb
deleted file mode 100644
index f155838..0000000
--- a/lib/notifications/base.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-module Notifications
- class Base
- extend ActiveSupport::Concern
-
- included do
- end
-
- class_methods do
- def
- end
- end
-end
</div><div class="naked_ctrl">
<form action="/index.cgi/larger-text" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/rails-engine/notifications/pull/31.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/rails-engine/notifications/pull/31.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast">配色反転</option>
<option value="larger-text" selected="selected">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>