diff --git a/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java b/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
index faeaa29..afde09f 100644
--- a/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
+++ b/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
@@ -5,6 +5,7 @@
 import androidx.lifecycle.ViewModelProvider;
 
 import android.content.Intent;
+import android.graphics.Bitmap;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.TextView;
@@ -17,8 +18,6 @@
 
     private DrawingCanvas drawingCanvas;
     private DrawingStateViewModel drawingStateViewModel;
-    private String rid;
-    private Integer nowDno;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -29,7 +28,7 @@
 
         //Irisから必要な情報を取得
         Iris iris = (Iris) this.getApplication();
-        rid = iris.getRid();
+        String rid = iris.getRid();
         String nickName = iris.getNickname();
 
         drawingStateViewModel= new ViewModelProvider(this).get(DrawingStateViewModel.class);
@@ -48,7 +47,6 @@
             @Override
             public void onChanged(Integer dno) {
                 //String keyword = keywords.get(dno);
-                nowDno = dno;
                 textKeyword.setText(dno);
             }
         });
@@ -70,8 +68,8 @@
     @Override
     public void onClick(View v){
         if(v.getId() == R.id.okButtton) {//okButtonが押されたときの処理
-            String drawingStr = "test";
-            drawingStateViewModel.putDrawing(rid, nowDno, drawingStr);
+            Bitmap bitmap = null;
+            drawingStateViewModel.putDrawing(bitmap);
         }else if(v.getId() == R.id.clearButton){//clearButtonが押されたときの処理
             drawingCanvas.clearCanvas();
         }