diff --git a/src/main/java/com/ntlab/irisserver/resources/MemberRest.java b/src/main/java/com/ntlab/irisserver/resources/MemberRest.java
index 8b31b8a..6c6d62b 100644
--- a/src/main/java/com/ntlab/irisserver/resources/MemberRest.java
+++ b/src/main/java/com/ntlab/irisserver/resources/MemberRest.java
@@ -18,7 +18,6 @@
                             @FormParam("belongs") String belongs, @FormParam("is-master") boolean is_master) {
         RoomManager rm = RoomManager.getInstance();
         Room room = rm.getRoom(rid);
-        List<Member> m = room.getMembers();
         room.changeTeamAndMaster(nickname, belongs, is_master);
         return "変更しました";
     }
@@ -26,18 +25,10 @@
     // プレイヤーを退出させるメソッド
     @Path("/{rid}/members/{nickname}")
     @DELETE
-    public String deleteMember(@PathParam("rid") String rid, @PathParam("nickname") String nickname,
-                               @FormParam("belongs") String belongs, @FormParam("is-master") boolean is_master) {
+    public String deleteMember(@PathParam("rid") String rid, @PathParam("nickname") String nickname) {
         RoomManager rm = RoomManager.getInstance();
         Room room = rm.getRoom(rid);
-        List<Member> m = room.getMembers();
-        for( int i = 0; i < 10; i++ ) {
-            Member name = m.get(i);
-            if ( nickname.equals(name.getNickname()) ) {
-                //room.deleteMember(nickname, belongs, is_master);
-            }
-        }
-
+        room.deleteMember(nickname);
         return "退出しました";
     }
 }
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