diff --git a/README-CN.md b/README-CN.md
index 972ecde40b2b3351916f627cd205dd8ed6e75912..9495059f79f619d869079734401e94142806204b 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -268,11 +268,6 @@ setBackgroundResource    : 设置背景资源
 setBackground            : 设置背景
 ```
 
-* ### Handler相关→[HandlerUtils.java][handler.java]→[Demo][handler.demo]
-```
-HandlerHolder: 使用必读
-```
-
 * ### 图片相关→[ImageUtils.java][image.java]→[Demo][image.demo]
 ```
 bitmap2Bytes, bytes2Bitmap      : bitmap与byteArr互转
@@ -762,9 +757,6 @@ Utils.init(context);
 [fragment.java]: https://github.com/Blankj/AndroidUtilCode/blob/master/utilcode/src/main/java/com/blankj/utilcode/util/FragmentUtils.java
 [fragment.demo]: https://github.com/Blankj/AndroidUtilCode/blob/master/app/src/main/java/com/blankj/androidutilcode/activity/FragmentActivity.java
 
-[handler.java]: https://github.com/Blankj/AndroidUtilCode/blob/master/utilcode/src/main/java/com/blankj/utilcode/util/HandlerUtils.java
-[handler.demo]: https://github.com/Blankj/AndroidUtilCode/blob/master/app/src/main/java/com/blankj/androidutilcode/activity/HandlerActivity.java
-
 [image.java]: https://github.com/Blankj/AndroidUtilCode/blob/master/utilcode/src/main/java/com/blankj/utilcode/util/ImageUtils.java
 [image.demo]: https://github.com/Blankj/AndroidUtilCode/blob/master/app/src/main/java/com/blankj/androidutilcode/activity/ImageActivity.java
 
diff --git a/README.md b/README.md
index 4caaaaaf1b75218b8a1cfad814e0a2ddf15a9719..ebba5ffcd330c01bddc29bd04574421c79798790 100644
--- a/README.md
+++ b/README.md
@@ -268,11 +268,6 @@ setBackgroundResource
 setBackground
 ```
 
-* ### About Handler→[HandlerUtils.java][handler.java]→[Demo][handler.demo]
-```
-HandlerHolder
-```
-
 * ### About Image→[ImageUtils.java][image.java]→[Demo][image.demo]
 ```
 bitmap2Bytes, bytes2Bitmap
@@ -762,9 +757,6 @@ Utils.init(context);
 [fragment.java]: https://github.com/Blankj/AndroidUtilCode/blob/master/utilcode/src/main/java/com/blankj/utilcode/util/FragmentUtils.java
 [fragment.demo]: https://github.com/Blankj/AndroidUtilCode/blob/master/app/src/main/java/com/blankj/androidutilcode/activity/FragmentActivity.java
 
-[handler.java]: https://github.com/Blankj/AndroidUtilCode/blob/master/utilcode/src/main/java/com/blankj/utilcode/util/HandlerUtils.java
-[handler.demo]: https://github.com/Blankj/AndroidUtilCode/blob/master/app/src/main/java/com/blankj/androidutilcode/activity/HandlerActivity.java
-
 [image.java]: https://github.com/Blankj/AndroidUtilCode/blob/master/utilcode/src/main/java/com/blankj/utilcode/util/ImageUtils.java
 [image.demo]: https://github.com/Blankj/AndroidUtilCode/blob/master/app/src/main/java/com/blankj/androidutilcode/activity/ImageActivity.java
 
diff --git a/app/src/main/java/com/blankj/androidutilcode/activity/HandlerActivity.java b/app/src/main/java/com/blankj/androidutilcode/activity/HandlerActivity.java
deleted file mode 100644
index e863bc885802d92c6e98a8ae4c3bb474aa8b76aa..0000000000000000000000000000000000000000
--- a/app/src/main/java/com/blankj/androidutilcode/activity/HandlerActivity.java
+++ /dev/null
@@ -1,63 +0,0 @@
-package com.blankj.androidutilcode.activity;
-
-import android.content.Context;
-import android.os.Bundle;
-import android.os.Handler.Callback;
-import android.os.Message;
-import android.view.View;
-import android.widget.TextView;
-
-import com.blankj.androidutilcode.R;
-import com.blankj.androidutilcode.base.BaseActivity;
-import com.blankj.utilcode.util.HandlerUtils;
-
-/**
- * <pre>
- *     author: Blankj
- *     blog : http://blankj.com
- *     time : 2016/09/27
- *     desc : Handler工具类Demo
- * </pre>
- */
-public class HandlerActivity extends BaseActivity
-        implements Callback {
-
-    private TextView                   tvAboutHandler;
-    private HandlerUtils.HandlerHolder handlerHolder;
-
-    @Override
-    public void initData(Bundle bundle) {
-
-    }
-
-    @Override
-    public int bindLayout() {
-        return R.layout.activity_handler;
-    }
-
-    @Override
-    public void initView(Bundle savedInstanceState, View view) {
-        tvAboutHandler = (TextView) findViewById(R.id.tv_about_handler);
-        findViewById(R.id.btn_send_msg_after_3s).setOnClickListener(this);
-    }
-
-    @Override
-    public void doBusiness(Context context) {
-        handlerHolder = new HandlerUtils.HandlerHolder(this);
-    }
-
-    @Override
-    public void onWidgetClick(View view) {
-        switch (view.getId()) {
-            case R.id.btn_send_msg_after_3s:
-                handlerHolder.sendEmptyMessageDelayed(0, 3000);
-                break;
-        }
-    }
-
-    @Override
-    public boolean handleMessage(Message msg) {
-        tvAboutHandler.setText(R.string.handler_received_msg);
-        return false;
-    }
-}
diff --git a/app/src/main/java/com/blankj/androidutilcode/activity/MainActivity.java b/app/src/main/java/com/blankj/androidutilcode/activity/MainActivity.java
index da53c06a81dcb6eedbffdfa7c94b35ebeef6ac72..37a12990e21a4358684161d05cc8daba3d800dfa 100644
--- a/app/src/main/java/com/blankj/androidutilcode/activity/MainActivity.java
+++ b/app/src/main/java/com/blankj/androidutilcode/activity/MainActivity.java
@@ -80,10 +80,6 @@ public class MainActivity extends BaseActivity {
 //        startActivity(new Intent(this, FlashlightActivity.class));
 //    }
 
-    public void handlerClick(View view) {
-        startActivity(new Intent(this, HandlerActivity.class));
-    }
-
     public void imageClick(View view) {
         startActivity(new Intent(this, ImageActivity.class));
     }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 6cf4e83355519fe708f5d7c6fdca804c8cc582f5..b78015b896adafa6cad7f4bbe77660e8bbe25c39 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -76,13 +76,6 @@
             <!--android:text="@string/demo_flashlight"-->
             <!--/>-->
 
-            <Button
-                style="@style/WideBtnStyle"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:onClick="handlerClick"
-                android:text="@string/demo_handler"/>
-
             <Button
                 style="@style/WideBtnStyle"
                 android:layout_width="match_parent"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 885516f5a830d1a717bd236b977c812718352081..ac01be3c658772a9babb6efabb9192828d1d25a8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -12,7 +12,6 @@
     <string name="demo_device">DeviceUtils Demo</string>
     <string name="demo_fragment">FragmentUtils Demo</string>
     <string name="demo_flashlight">FlashlightUtils Demo</string>
-    <string name="demo_handler">HandlerUtils Demo</string>
     <string name="demo_image">ImageUtils Demo</string>
     <string name="demo_keyboard">KeyboardUtils Demo</string>
     <string name="demo_location">LocationUtils Demo</string>
diff --git a/update_log.md b/update_log.md
index a73bd8387fee4f546329ea693d554f05fbb3180c..275fd113ce37bc0922c1a23f00c8a5c9e91c8fd9 100644
--- a/update_log.md
+++ b/update_log.md
@@ -1,3 +1,4 @@
+* 17/06/17 删除HandlerUtils
 * 17/06/16 新增insight.io的bandage
 * 17/06/14 发布1.7.1版本，LogUtils优化回退栈
 * 17/06/13 更新Snackbar和Toast的Demo
diff --git a/utilcode/src/main/java/com/blankj/utilcode/util/HandlerUtils.java b/utilcode/src/main/java/com/blankj/utilcode/util/HandlerUtils.java
deleted file mode 100644
index 82ea8ff89ee088b8ed1a0c103ddaaba786670ed5..0000000000000000000000000000000000000000
--- a/utilcode/src/main/java/com/blankj/utilcode/util/HandlerUtils.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package com.blankj.utilcode.util;
-
-import android.os.Handler;
-import android.os.Message;
-
-import java.lang.ref.WeakReference;
-
-/**
- * <pre>
- *     author: Blankj
- *     blog  : http://blankj.com
- *     time  : 16/11/01
- *     desc  : Handler相关工具类
- * </pre>
- */
-public final class HandlerUtils {
-
-    private HandlerUtils() {
-        throw new UnsupportedOperationException("u can't instantiate me...");
-    }
-
-    public static class HandlerHolder extends Handler {
-        WeakReference<Handler.Callback> mListenerWeakReference;
-
-        /**
-         * 使用必读：推荐在Activity或者Activity内部持有类中实现该接口，不要使用匿名类，可能会被GC
-         *
-         * @param listener 收到消息回调接口
-         */
-        public HandlerHolder(Handler.Callback listener) {
-            mListenerWeakReference = new WeakReference<>(listener);
-        }
-
-        @Override
-        public void handleMessage(Message msg) {
-            if (mListenerWeakReference != null && mListenerWeakReference.get() != null) {
-                mListenerWeakReference.get().handleMessage(msg);
-            }
-        }
-    }
-}
diff --git a/utilcode/src/main/java/com/blankj/utilcode/util/Utils.java b/utilcode/src/main/java/com/blankj/utilcode/util/Utils.java
index 0efc9b24e58a5d67552bf0000dbc80ea02379db8..2d2d4713dd80dd04bfb1b5bb26f850a2e2e78803 100644
--- a/utilcode/src/main/java/com/blankj/utilcode/util/Utils.java
+++ b/utilcode/src/main/java/com/blankj/utilcode/util/Utils.java
@@ -26,7 +26,7 @@ public final class Utils {
      *
      * @param context 上下文
      */
-    public static void init(@NonNull Context context) {
+    public static void init(@NonNull final Context context) {
         Utils.context = context.getApplicationContext();
     }