diff --git a/app/src/main/java/com/app/simplitend/apputils/NotificationService.java b/app/src/main/java/com/app/simplitend/apputils/NotificationService.java
index 1d22e34..bc9d9a2 100644
--- a/app/src/main/java/com/app/simplitend/apputils/NotificationService.java
+++ b/app/src/main/java/com/app/simplitend/apputils/NotificationService.java
@@ -4,31 +4,17 @@ import static android.content.Context.NOTIFICATION_SERVICE;
 import static com.app.simplitend.apputils.AppUtil.NOTIFICATION_ACTION;
 import static com.app.simplitend.apputils.Constants.ACTIVITY_TIME;
 import static com.app.simplitend.apputils.Constants.MEDICINE_TIME;
-import static com.app.simplitend.patientgeofencing.GeoFenceHelper.GEOFENCE_ID;
 import static com.app.simplitend.patientgeofencing.GeoFenceHelper.GEOFENCE_TAG;
 
-import android.Manifest;
 import android.app.NotificationManager;
-import android.app.PendingIntent;
-import android.content.Context;
 import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.os.Build;
 import android.service.notification.StatusBarNotification;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.RequiresPermission;
-import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
 
 import com.app.simplitend.locationupdates.LocationService;
-import com.app.simplitend.patientgeofencing.GeoFenceHelper;
-import com.google.android.gms.location.Geofence;
-import com.google.android.gms.location.GeofencingClient;
-import com.google.android.gms.location.GeofencingRequest;
-import com.google.android.gms.location.LocationServices;
-import com.google.android.gms.maps.model.LatLng;
 import com.onesignal.OneSignal;
 import com.onesignal.notifications.INotificationReceivedEvent;
 import com.onesignal.notifications.INotificationServiceExtension;
@@ -37,7 +23,6 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.util.Arrays;
-import java.util.Comparator;
 import java.util.List;
 
 public class NotificationService implements INotificationServiceExtension {
@@ -62,7 +47,7 @@ public class NotificationService implements INotificationServiceExtension {
             {
                 List<StatusBarNotification> active_notifications = Arrays.asList(notificationManager.getActiveNotifications());
 
-                int minPostTime = Integer.MAX_VALUE;
+                long minPostTime = Long.MAX_VALUE;
                 StatusBarNotification notification = null;
                 for (StatusBarNotification not: active_notifications){
                     if (not.getPostTime() < minPostTime){