diff --git a/app/src/main/java/com/example/cosmosclient/views/RequestPermissionsActivty.java b/app/src/main/java/com/example/cosmosclient/views/RequestPermissionsActivty.java
deleted file mode 100644
index 794e5ec..0000000
--- a/app/src/main/java/com/example/cosmosclient/views/RequestPermissionsActivty.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package com.example.cosmosclient.views;
-
-import android.support.annotation.NonNull;
-import android.support.v4.app.ActivityCompat;
-import android.support.v7.app.AppCompatActivity;
-
-import com.example.cosmosclient.app.Cosmos;
-
-public class RequestPermissionsActivty extends AppCompatActivity {
-    private ActivityCompat.OnRequestPermissionsResultCallback listener = null;
-
-    public void setOnRequestPermissionsResultCallback(ActivityCompat.OnRequestPermissionsResultCallback listener) {
-        this.listener = listener;
-    }
-
-    // 結果の受け取り
-    @Override
-    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
-        listener.onRequestPermissionsResult(requestCode, permissions, grantResults);
-    }
-}