diff --git a/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java b/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java
index a305d5a..6a00427 100644
--- a/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java
+++ b/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java
@@ -3,10 +3,7 @@
 import jakarta.ws.rs.core.MediaType;
 import jakarta.ws.rs.core.Response;
 import org.ntlab.citrusserver.entities.Account;
-import org.ntlab.citrusserver.repositories.AccountManager;
-import org.ntlab.citrusserver.repositories.BookManager;
-import org.ntlab.citrusserver.repositories.ScheduleManager;
-import org.ntlab.citrusserver.repositories.TodoManager;
+import org.ntlab.citrusserver.repositories.*;
 import org.springframework.beans.factory.annotation.Autowired;
 //import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Component;
@@ -23,13 +20,15 @@
     private final BookManager bookManager;
     private final TodoManager todoManager;
     private final ScheduleManager scheduleManager;
+    private final FavoriteManager favoriteManager;
 
     @Autowired//springbootの決まり
-    public AccountsRest(AccountManager am, BookManager bm, TodoManager tm, ScheduleManager sm) {
+    public AccountsRest(AccountManager am, BookManager bm, TodoManager tm, ScheduleManager sm, FavoriteManager favoriteManager) {
         accountManager = am;
         bookManager = bm;
         todoManager = tm;
         scheduleManager = sm;
+        this.favoriteManager = favoriteManager;
     }
 
     // アカウントの一覧をリストとして返す(GET)
@@ -82,6 +81,7 @@
             bookManager.deleteAllBooks(accountId);
             todoManager.deleteAllTodosByAccountId(accountId);
             scheduleManager.deleteSchedules(accountId);
+            favoriteManager.removeFavoriteById(accountId);
             return;
         }
         //404