diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 8a85169..cf7d92a 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -37,9 +37,6 @@
             android:name=".Maps"
             android:exported="false"
             android:label="@string/title_activity_maps" />
-        <activity
-            android:name=".Map_Activity"
-            android:exported="false" />
         <activity
             android:name=".TutorialActivity"
             android:exported="false" />
diff --git a/app/src/main/java/com/example/oplogy/MainActivity.java b/app/src/main/java/com/example/oplogy/MainActivity.java
index f8450ea..7fc95ff 100644
--- a/app/src/main/java/com/example/oplogy/MainActivity.java
+++ b/app/src/main/java/com/example/oplogy/MainActivity.java
@@ -92,7 +92,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 //        ルート作成のクリック処理
         if(view == root){
             imageRoot.setImageResource(R.drawable.pin);
-            Intent toRoot = new Intent(MainActivity.this, Map_Activity.class);
+            Intent toRoot = new Intent(MainActivity.this,MapsActivity.class);
             startActivity(toRoot);
         }
 //        提出状況のクリック処理
diff --git a/app/src/main/java/com/example/oplogy/Map_Activity.java b/app/src/main/java/com/example/oplogy/Map_Activity.java
deleted file mode 100644
index 199aff2..0000000
--- a/app/src/main/java/com/example/oplogy/Map_Activity.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package com.example.oplogy;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentTransaction;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import com.google.android.gms.maps.GoogleMap;
-import com.google.android.gms.maps.MapFragment;
-import com.google.android.gms.maps.OnMapReadyCallback;
-import com.google.android.gms.maps.SupportMapFragment;
-
-public class Map_Activity extends AppCompatActivity implements View.OnClickListener, OnMapReadyCallback {
-    ImageView toMain;
-    private  GoogleMap mMap;
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.map_activity);
-
-
-//        ボタンの戻る処理
-        toMain = findViewById(R.id.toMain);
-        toMain.setOnClickListener(this);
-    }
-
-    @Override
-    public void onClick(View view) {
-        if(view == toMain){
-            Intent toMain = new Intent(Map_Activity.this,MainActivity.class);
-            startActivity(toMain);
-        }
-    }
-    @Override
-    public void onMapReady(@NonNull GoogleMap googleMap) {
-        mMap = googleMap;
-
-        FragmentManager fragmentManager = getSupportFragmentManager();
-
-    }
-}
\ No newline at end of file