diff --git a/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java b/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
index 4764eab..14fc7e1 100644
--- a/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
+++ b/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
@@ -32,15 +32,10 @@
 
         //Irisから必要な情報を取得
         Iris iris = (Iris) this.getApplication();
-        String rid = iris.getRid();
-        String nickName = iris.getNickname();
         Boolean bMaster = iris.isMaster();
         List<Member> memberList = iris.getMemberList();
 
         drawingStateViewModel= new ViewModelProvider(this).get(DrawingStateViewModel.class);
-        //viewModelに必用な情報をセット
-        drawingStateViewModel.setRid(rid);
-        drawingStateViewModel.setNickName(nickName);
 
         findViewById(R.id.okButtton).setOnClickListener(this);//お絵描き終了ボタン
         findViewById(R.id.clearButton).setOnClickListener(this);//画面クリアボタン