diff --git a/app/src/main/java/jp/juggler/subwaytooter/ActMain.java b/app/src/main/java/jp/juggler/subwaytooter/ActMain.java
index 6fc4dc22..82cf4082 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/ActMain.java
+++ b/app/src/main/java/jp/juggler/subwaytooter/ActMain.java
@@ -3,7 +3,6 @@ package jp.juggler.subwaytooter;
 import android.annotation.SuppressLint;
 import android.app.Dialog;
 import android.app.ProgressDialog;
-import android.content.ComponentName;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
@@ -17,7 +16,6 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.support.customtabs.CustomTabsIntent;
 import android.support.v4.view.ViewCompat;
 import android.support.v4.view.ViewPager;
 import android.support.v7.app.AlertDialog;
diff --git a/app/src/main/java/jp/juggler/subwaytooter/App1.java b/app/src/main/java/jp/juggler/subwaytooter/App1.java
index 4d0c9edc..e4c740ea 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/App1.java
+++ b/app/src/main/java/jp/juggler/subwaytooter/App1.java
@@ -12,7 +12,6 @@ import android.net.Uri;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.customtabs.CustomTabsIntent;
-import android.text.TextUtils;
 
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.GlideBuilder;
diff --git a/app/src/main/java/jp/juggler/subwaytooter/util/Utils.java b/app/src/main/java/jp/juggler/subwaytooter/util/Utils.java
index c1540480..0187336f 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/util/Utils.java
+++ b/app/src/main/java/jp/juggler/subwaytooter/util/Utils.java
@@ -2,7 +2,6 @@ package jp.juggler.subwaytooter.util;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
-import android.content.ComponentName;
 import android.content.Context;
 
 import java.io.ByteArrayInputStream;
@@ -36,7 +35,6 @@ import android.os.Looper;
 import android.os.storage.StorageManager;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.support.customtabs.CustomTabsIntent;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
@@ -66,11 +64,6 @@ import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 
 import it.sephiroth.android.library.exif2.ExifInterface;
-import jp.juggler.subwaytooter.ActMain;
-import jp.juggler.subwaytooter.App1;
-import jp.juggler.subwaytooter.Pref;
-import jp.juggler.subwaytooter.R;
-import jp.juggler.subwaytooter.Styler;
 import okhttp3.Response;
 import okhttp3.ResponseBody;