diff --git a/src/main/java/org/ntlab/citrusserver/repositories/FavoriteManager.java b/src/main/java/org/ntlab/citrusserver/repositories/FavoriteManager.java
index 1d95766..9452ca7 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/FavoriteManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/FavoriteManager.java
@@ -1,4 +1,6 @@
 package org.ntlab.citrusserver.repositories;
+import org.ntlab.citrusserver.entities.Account;
+import org.ntlab.citrusserver.entities.Book;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Repository;
 
@@ -6,12 +8,15 @@
 import java.util.HashSet;
 
 @Repository
-public class FavoriteManager {
+public class FavoriteManager implements IAccountListener, IBookListener {
     private final AccountManager accountManager;
 
     @Autowired
-    public FavoriteManager(AccountManager accountManager) {
+    public FavoriteManager(AccountManager accountManager, BookManager bookManager) {
         this.accountManager = accountManager;
+        this.accountManager.addListener(this);
+        bookManager.addListener(this);
+
     }
 
     //favorited
@@ -130,6 +135,24 @@
         }
         favoritedMap.get(accountId).remove(bookId);  // tedのbookIdを消したいとき
     }
+
+    @Override
+    public void accountDeleted(Account account) {
+        removeFavoriteById(account.getId());
+    }
+
+
+    @Override
+    public void bookChanged(Account account, Book book) {
+
+    }
+
+    @Override
+    public void bookDeleted(Account account, Book book) {
+        removeFavoriteByBookID(account.getId(), book.getBookId());
+    }
+
+
 }