diff --git a/src/main/java/org/ntlab/acanthus_server/entities/Animation.java b/src/main/java/org/ntlab/acanthus_server/entities/Animation.java
index f104f89..76445e6 100644
--- a/src/main/java/org/ntlab/acanthus_server/entities/Animation.java
+++ b/src/main/java/org/ntlab/acanthus_server/entities/Animation.java
@@ -86,5 +86,13 @@
     }
 
     //-----------------------------------------------------------------
+    //招待されて人が招待を取り消す
+    public void deleteAccountFromAnimationInvites(Integer aid, String invitedUid) {
+        Animation animation = gallery.getAnimationByAid(aid);
+        Account invitedAccount = accounts.getAccountByUid(Integer.parseInt(invitedUid));
+        invites.remove(invitedAccount);
+    }
+
+    //-----------------------------------------------------------------
 }