diff --git a/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java b/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java
index 3863d68..95f3f4b 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java
@@ -59,8 +59,6 @@
         return todos.get(accountId).get(bookId);
     }
 
-    //aiueo
-
     /**
      *年月をそれぞれintで指定してtodoをtodo_id->todoの辞書で返す
      *