diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/Cactus.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/Cactus.java
index 6fd5f59..47fbe12 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/Cactus.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/Cactus.java
@@ -1,14 +1,10 @@
 package org.ntlab.radishforandroidstudio.cactusClient;
 
+import android.accounts.Account;
 import android.app.Activity;
-import android.app.ActivityManager;
 import android.app.Application;
 import android.os.Bundle;
 
-import org.ntlab.radishforandroidstudio.cactusClient.models.Account;
-
-import java.util.List;
-
 public class Cactus extends Application {
 
     private Account myAccount = null;
@@ -18,13 +14,6 @@
         registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacks() {
             @Override
             public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
-                ActivityManager activityManager = ((ActivityManager) getSystemService(ACTIVITY_SERVICE));
-                List<ActivityManager.RunningTaskInfo> taskInfo = activityManager.getRunningTasks(5);
-                int activity_num = taskInfo.get(0).numRunning;
-                if (activity_num <= 1) {
-                    // loadの処理
-
-                }
 
             }
 
@@ -46,13 +35,6 @@
 
             @Override
             public void onActivityStopped(Activity activity) {
-                ActivityManager activityManager = ((ActivityManager) getSystemService(ACTIVITY_SERVICE));
-                List<ActivityManager.RunningTaskInfo> taskInfo = activityManager.getRunningTasks(5);
-                int activity_num = taskInfo.get(0).numRunning;
-                if (activity_num <= 1) {
-                    // saveの処理
-
-                }
 
             }
 
@@ -71,7 +53,6 @@
 
 
     public Account getMyAccount(){
-
         return myAccount;
     }