diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/MyPaint.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/MyPaint.java
deleted file mode 100644
index 7811213..0000000
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/MyPaint.java
+++ /dev/null
@@ -1,173 +0,0 @@
-package org.ntlab.acanthus_client.views.paint;
-
-import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Paint;
-import android.graphics.Path;
-import android.util.AttributeSet;
-import android.view.MotionEvent;
-import android.view.View;
-
-import org.ntlab.acanthus_client.Acanthus;
-import org.ntlab.acanthus_client.resources.HelloWorldRest;
-import org.ntlab.acanthus_client.resources.gallery.StrokesRest;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import androidx.annotation.Nullable;
-import androidx.lifecycle.LiveData;
-import androidx.lifecycle.MutableLiveData;
-
-import retrofit2.Call;
-import retrofit2.Callback;
-import retrofit2.Response;
-import retrofit2.Retrofit;
-import retrofit2.converter.jackson.JacksonConverterFactory;
-import retrofit2.converter.scalars.ScalarsConverterFactory;
-
-public class MyPaint extends View {
-
-    private Path path;
-    private Paint paint;
-    private ArrayList<Float> xlen = new ArrayList<Float>();
-    private ArrayList<Float> ylen = new ArrayList<Float>();
-    private Acanthus acanthus;
-    private MutableLiveData<Integer> strokeNo;
-
-    public MyPaint(Context context, @Nullable AttributeSet attrs) {
-        super(context, attrs);
-
-        //１）コンストラクタ（≒必需品）
-        path = new Path();//線を引いたり、図形を描いたり、要するにグラフィック
-
-        paint = new Paint();//筆の種類
-        paint.setColor(Color.RED);//色の指定
-        paint.setStyle(Paint.Style.STROKE);//線をひく
-        paint.setStrokeWidth(20);//幅
-        this.acanthus = new Acanthus();
-        this.strokeNo = new MutableLiveData<Integer>();
-    }
-
-    //２）onDraw（描画の準備/プロペラが回りだした状態）
-
-    @Override
-    protected void onDraw(Canvas canvas) {
-        super.onDraw(canvas);
-        canvas.drawPath(path, paint);
-    }
-
-
-    //３）実際の操縦 (条件分岐：押したとき、動かしたとき、放した時）
-
-    @Override
-    public boolean onTouchEvent(MotionEvent event) {
-        //(3-1)座標を取得（x座標、y座標）
-        float x = event.getX();
-        float y = event.getY();
-        xlen.add(x);
-        ylen.add(y);
-
-        //(3-2)タッチの処理
-        switch (event.getAction()) {
-            case MotionEvent.ACTION_DOWN:
-                path.moveTo(x, y);
-                addStrokes(getAcanthus());
-                invalidate();
-                break;
-            case MotionEvent.ACTION_MOVE:
-                path.lineTo(x, y);
-                AddPositions(x, y, getStrokeNo());
-                invalidate();
-                break;
-            case MotionEvent.ACTION_UP:
-                break;
-        }
-
-        //return super.onTouchEvent(event);
-        return true;
-    }
-
-
-    //４）クリア処理
-    public void clearCanvas() {
-        System.out.println(xlen.toArray());
-        path.reset();
-        invalidate();
-    }
-
-    public void setAcanthus(Acanthus acanthus) {
-        this.acanthus = acanthus;
-    }
-
-    public Acanthus getAcanthus() {
-        return acanthus;
-    }
-
-    public MutableLiveData<Integer> getStrokeNo() {
-        return strokeNo;
-    }
-
-    public void setStrokeNo(int strokeNo) {
-        this.strokeNo.setValue(strokeNo);
-    }
-
-    //////////////////////////////////////////////////////////////////////////////////////////////////
-    //////////////////////////////////////////////////////////////////////////////////////////////////
-    //retrofit
-    public void AddPositions(double x, double y, MutableLiveData<Integer> strokeno) {
-        Retrofit retrofit = new Retrofit.Builder()
-                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
-                .addConverterFactory(ScalarsConverterFactory.create())
-                .addConverterFactory(JacksonConverterFactory.create())
-                .build();
-        final StrokesRest strokesRest = retrofit.create(StrokesRest.class);
-        Call<Integer> call = strokesRest.addPositions(1111, strokeno.getValue(), x, y);
-        call.enqueue(new Callback<Integer>() {
-            @Override
-            public void onResponse(Call<Integer> call, Response<Integer> response) {
-                if (response.isSuccessful()) {
-                    System.out.println("success");
-                } else {
-                    System.out.println("false");
-                }
-            }
-
-            @Override
-            public void onFailure(Call<Integer> call, Throwable t) {
-                //mText.setValue("みす helloworld");
-            }
-        });
-
-    }
-
-    public void addStrokes(Acanthus acanthus) {
-        Retrofit retrofit = new Retrofit.Builder()
-                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
-                .addConverterFactory(ScalarsConverterFactory.create())
-                .addConverterFactory(JacksonConverterFactory.create())
-                .build();
-        final StrokesRest strokesRest = retrofit.create(StrokesRest.class);
-        Call<Integer> call = strokesRest.addStroke(1111, acanthus.getPreferenceUid(), acanthus.getPreferenceToken(), 1, 1, 1);
-        call.enqueue(new Callback<Integer>() {
-            @Override
-            public void onResponse(Call<Integer> call, Response<Integer> response) {
-                if (response.isSuccessful()) {
-                    System.out.println("success");
-                    setStrokeNo(response.body().intValue());
-                } else {
-                    System.out.println("false");
-                }
-            }
-
-            @Override
-            public void onFailure(Call<Integer> call, Throwable t) {
-                //mText.setValue("みす helloworld");
-            }
-        });
-
-    }
-
-
-}
\ No newline at end of file