diff --git a/src/main/java/org/ntlab/citrusserver/repositories/FavoriteManager.java b/src/main/java/org/ntlab/citrusserver/repositories/FavoriteManager.java
index 1340359..63b7611 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/FavoriteManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/FavoriteManager.java
@@ -126,6 +126,7 @@
             }
         }
         favoritesMap.remove(accountId); //favoritesの削除の処理
+        favoritedMap.remove(accountId);
     }
 
     //delete