diff --git a/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java b/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java
index 3a0fcc5..069f791 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/TodoManager.java
@@ -1,12 +1,7 @@
 package org.ntlab.citrusserver.repositories;
 
 import org.ntlab.citrusserver.entities.Todo;
-import org.springframework.boot.autoconfigure.web.servlet.error.ErrorViewResolver;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Repository;
-import org.springframework.web.client.HttpStatusCodeException;
-import org.springframework.web.server.ResponseStatusException;
 
 import java.util.HashMap;
 
@@ -52,7 +47,7 @@
      * }
      */
     public HashMap<Integer, HashMap<Integer, HashMap<Integer, HashMap<Integer, Todo>>>>
-        getAllTodos(String accountId, int bookId, String token){
+        getAllTodos(String accountId, int bookId){
         if(!todos.containsKey(accountId)){
             return null;
         }
@@ -68,7 +63,7 @@
      * @param month 月
      * @return そのアカウントの本に所属するtodoのうち、指定した年月のtodoを返します
      */
-    public HashMap<Integer, HashMap<Integer, Todo>> getTodosByMonth(String accountId, int bookId, int year, int month, String token){
+    public HashMap<Integer, HashMap<Integer, Todo>> getTodosByMonth(String accountId, int bookId, int year, int month){
         if(!todos.containsKey(accountId)){
             return null;
         }
@@ -89,11 +84,11 @@
      * @param yearMonth 年月を-で区切った文字列(yyyy-mm)
      * @return そのアカウントの本に所属するtodoのうち、指定した年月のtodoを返します
      */
-    public HashMap<Integer, HashMap<Integer, Todo>> getTodosByMonth(String accountId, int bookId, String yearMonth, String token){
+    public HashMap<Integer, HashMap<Integer, Todo>> getTodosByMonth(String accountId, int bookId, String yearMonth){
         String[] yearMonths = yearMonth.split("-");
         int year = Integer.parseInt(yearMonths[0]);
         int month = Integer.parseInt(yearMonths[1]);
-        return getTodosByMonth(accountId, bookId, year, month, token);
+        return getTodosByMonth(accountId, bookId, year, month);
     }
 
     /**
@@ -106,7 +101,7 @@
      * @param day 日
      * @return そのアカウントの本に所属するtodoのうち、指定した年月日のtodoを返します
      */
-    public HashMap<Integer, Todo> getTodosByDay(String accountId, int bookId, int year, int month, int day, String token){
+    public HashMap<Integer, Todo> getTodosByDay(String accountId, int bookId, int year, int month, int day){
         if(!todos.get(accountId).get(bookId).containsKey(year)){
             return null;
         }
@@ -127,12 +122,12 @@
      * @param yearMonthDay 年月日を-で区切った文字列(yyyy-mm-dd)
      * @return そのアカウントの本に所属するtodoのうち、指定した年月日のtodoを返します
      */
-    public HashMap<Integer, Todo> getTodosByDay(String accountId, int bookId, String yearMonthDay, String token){
+    public HashMap<Integer, Todo> getTodosByDay(String accountId, int bookId, String yearMonthDay){
         String[] yearMonthDays = yearMonthDay.split("-");
         int year = Integer.parseInt(yearMonthDays[0]);
         int month = Integer.parseInt(yearMonthDays[1]);
         int day = Integer.parseInt(yearMonthDays[2]);
-        return getTodosByDay(accountId, bookId, year, month, day, token);
+        return getTodosByDay(accountId, bookId, year, month, day);
     }
 
 
@@ -147,7 +142,7 @@
      * @param todoId todoのid
      * @return idを指定してtodoを返す
      */
-    public Todo getTodoById(String accountId, int bookId, int year, int month, int day, int todoId, String token){
+    public Todo getTodoById(String accountId, int bookId, int year, int month, int day, int todoId){
         if(!todos.containsKey(accountId)){
             return null;
         }
@@ -175,12 +170,12 @@
      * @param todoId todoのid
      * @return 指定したtodo
      */
-    public Todo getTodoById(String accountId, int bookId, String yearMonthDay, int todoId, String token){
+    public Todo getTodoById(String accountId, int bookId, String yearMonthDay, int todoId){
         String[] yearMonthDays = yearMonthDay.split("-");
         int year = Integer.parseInt(yearMonthDays[0]);
         int month = Integer.parseInt(yearMonthDays[1]);
         int day = Integer.parseInt(yearMonthDays[2]);
-        return getTodoById(accountId, bookId, year, month, day, todoId, token);
+        return getTodoById(accountId, bookId, year, month, day, todoId);
     }
 
     /**
@@ -194,8 +189,8 @@
      * @param title 追加するべきtodoのタイトル
      * @return 新しいtodoのid
      */
-    public Todo createTodo(String accountId, int bookId, int year, int month, int day, String title, String token){
-        if(bookManager.getBooks(accountId, token) == null){
+    public Todo createTodo(String accountId, int bookId, int year, int month, int day, String title){
+        if(bookManager.getBooks(accountId) == null){
             return null;
         }
         if(!todos.containsKey(accountId)){
@@ -235,12 +230,12 @@
      * @param title 追加したいtodoのタイトル
      * @return 新しいtodoのid
      */
-    public Todo createTodo(String accountId, int bookId, String yearMonthDay, String title, String token){
+    public Todo createTodo(String accountId, int bookId, String yearMonthDay, String title){
         String[] yearMonthDays = yearMonthDay.split("-");
         int year = Integer.parseInt(yearMonthDays[0]);
         int month = Integer.parseInt(yearMonthDays[1]);
         int day = Integer.parseInt(yearMonthDays[2]);
-        return createTodo(accountId, bookId, year, month, day, title, token);
+        return createTodo(accountId, bookId, year, month, day, title);
     }
 
     /**
@@ -250,7 +245,7 @@
      * @param bookId 本のid
      * @param todoId 削除したいtodoのid
      */
-    public int deleteTodoById(String accountId, int bookId, int year, int month, int day, int todoId, String token){
+    public int deleteTodoById(String accountId, int bookId, int year, int month, int day, int todoId){
         if(!todos.containsKey(accountId)){
             return -1;
         }
@@ -280,13 +275,14 @@
      * @param bookId 本のid
      * @param yearMonthDay 年月日を-で区切った文字列(yyyy-mm-dd)
      * @param todoId 削除したいtodoのid
+     * @return 0 -> 成功<br>-1 -> 失敗
      */
-    public void deleteTodoById(String accountId, int bookId, String yearMonthDay, int todoId, String token){
+    public int deleteTodoById(String accountId, int bookId, String yearMonthDay, int todoId){
         String[] yearMonthDays = yearMonthDay.split("-");
         int year = Integer.parseInt(yearMonthDays[0]);
         int month = Integer.parseInt(yearMonthDays[1]);
         int day = Integer.parseInt(yearMonthDays[2]);
-        deleteTodoById(accountId, bookId, year, month, day, todoId, token);
+        return deleteTodoById(accountId, bookId, year, month, day, todoId);
     }
 
     /**
@@ -296,8 +292,9 @@
      * @param bookId 本のid
      * @param todoId 変更したいtodoのid
      * @param check 変更後の達成状態
+     * @return 0 -> 成功<br>-1 -> 失敗
      */
-    public int setCheck(String accountId, int bookId, int year, int month, int day, int todoId, boolean check, String token){
+    public int setCheck(String accountId, int bookId, int year, int month, int day, int todoId, boolean check){
         if(!todos.containsKey(accountId)){
             return -1;
         }
@@ -328,12 +325,13 @@
      * @param yearMonthDay 年月日を-で区切った文字列(yyyy-mm-dd)
      * @param todoId 変更したいtodoのid
      * @param check 変更後の達成状態
+     * @return 0 -> 成功<br>-1 -> 失敗
      */
-    public void setCheck(String accountId, int bookId, String yearMonthDay, int todoId, boolean check, String token){
+    public int setCheck(String accountId, int bookId, String yearMonthDay, int todoId, boolean check){
         String[] yearMonthDays = yearMonthDay.split("-");
         int year = Integer.parseInt(yearMonthDays[0]);
         int month = Integer.parseInt(yearMonthDays[1]);
         int day = Integer.parseInt(yearMonthDays[2]);
-        setCheck(accountId, bookId, year, month, day, todoId, check, token);
+        return setCheck(accountId, bookId, year, month, day, todoId, check);
     }
 }