diff --git a/Shadowsocks.WPF/Models/NlogConfig.cs b/Shadowsocks.WPF/Models/NlogConfig.cs
deleted file mode 100644
index 61353793..00000000
--- a/Shadowsocks.WPF/Models/NlogConfig.cs
+++ /dev/null
@@ -1,137 +0,0 @@
-using NLog;
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Xml;
-
-namespace Shadowsocks.WPF.Models
-{
-    public class NLogConfig
-    {
-        public enum LogLevel
-        {
-            Fatal,
-            Error,
-            Warn,
-            Info,
-            Debug,
-            Trace,
-        }
-        private static string _NLOG_CONFIG_FILE_NAME=string.Empty;
-        public static string NLOG_CONFIG_FILE_NAME
-        {
-            get
-            {
-                if (string.IsNullOrEmpty(_NLOG_CONFIG_FILE_NAME))
-                {
-                    _NLOG_CONFIG_FILE_NAME = Path.Combine(Environment.CurrentDirectory, "NLog.config");
-                }
-                return _NLOG_CONFIG_FILE_NAME;
-            }
-        }
-        const string TARGET_MIN_LEVEL_ATTRIBUTE = "minlevel";
-        const string LOGGER_FILE_NAME_ATTRIBUTE = "fileName";
-
-        XmlDocument doc = new XmlDocument();
-        XmlElement? logFileNameElement;
-        XmlElement? logLevelElement;
-
-        /// <summary>
-        /// Load the NLog config xml file content
-        /// </summary>
-        public static NLogConfig LoadXML()
-        {
-            NLogConfig config = new NLogConfig();
-            config.doc.Load(NLOG_CONFIG_FILE_NAME);
-            config.logLevelElement = (XmlElement?)SelectSingleNode(config.doc, "//nlog:logger[@name='*']");
-            config.logFileNameElement = (XmlElement?)SelectSingleNode(config.doc, "//nlog:target[@name='file']");
-            return config;
-        }
-
-        /// <summary>
-        /// Save the content to NLog config xml file
-        /// </summary>
-        public static void SaveXML(NLogConfig nLogConfig)
-        {
-            nLogConfig.doc.Save(NLOG_CONFIG_FILE_NAME);
-        }
-
-
-        /// <summary>
-        /// Get the current minLogLevel from xml file
-        /// </summary>
-        /// <returns></returns>
-        public LogLevel GetLogLevel()
-        {
-            LogLevel level = LogLevel.Warn;
-            string levelStr = logLevelElement.GetAttribute(TARGET_MIN_LEVEL_ATTRIBUTE);
-            Enum.TryParse(levelStr, out level);
-            return level;
-        }
-
-        /// <summary>
-        /// Get the target fileName from xml file
-        /// </summary>
-        /// <returns></returns>
-        public string GetLogFileName()
-        {
-            return logFileNameElement.GetAttribute(LOGGER_FILE_NAME_ATTRIBUTE);
-        }
-
-        /// <summary>
-        /// Set the minLogLevel to xml file
-        /// </summary>
-        /// <param name="logLevel"></param>
-        public void SetLogLevel(LogLevel logLevel)
-        {
-            logLevelElement.SetAttribute(TARGET_MIN_LEVEL_ATTRIBUTE, logLevel.ToString("G"));
-        }
-
-        /// <summary>
-        /// Set the target fileName to xml file
-        /// </summary>
-        /// <param name="fileName"></param>
-        public void SetLogFileName(string fileName)
-        {
-            logFileNameElement.SetAttribute(LOGGER_FILE_NAME_ATTRIBUTE, fileName);
-        }
-
-        /// <summary>
-        /// Select a single XML node/elemant
-        /// </summary>
-        /// <param name="doc"></param>
-        /// <param name="xpath"></param>
-        /// <returns></returns>
-        private static XmlNode? SelectSingleNode(XmlDocument doc, string xpath)
-        {
-            XmlNamespaceManager manager = new XmlNamespaceManager(doc.NameTable);
-            manager.AddNamespace("nlog", "http://www.nlog-project.org/schemas/NLog.xsd");
-            //return doc.SelectSingleNode("//nlog:logger[(@shadowsocks='managed') and (@name='*')]", manager);
-            return doc.SelectSingleNode(xpath, manager);
-        }
-
-        /// <summary>
-        /// Extract the pre-defined NLog configuration file is does not exist. Then reload the Nlog configuration.
-        /// </summary>
-        public static void TouchAndApplyNLogConfig()
-        {
-      
-            if (!File.Exists(NLOG_CONFIG_FILE_NAME))
-            {
-                File.WriteAllText(NLOG_CONFIG_FILE_NAME, Properties.Resources.NLog);
-                LogManager.LoadConfiguration(NLOG_CONFIG_FILE_NAME);
-            }
-        }
-
-        /// <summary>
-        /// NLog reload the config file and apply to current LogManager
-        /// </summary>
-        public static void LoadConfiguration()
-        {
-            LogManager.LoadConfiguration(NLOG_CONFIG_FILE_NAME);
-        }
-    }
-}
diff --git a/Shadowsocks.WPF/Properties/Resources.Designer.cs b/Shadowsocks.WPF/Properties/Resources.Designer.cs
index 839e0ab0..9f3cc43f 100644
--- a/Shadowsocks.WPF/Properties/Resources.Designer.cs
+++ b/Shadowsocks.WPF/Properties/Resources.Designer.cs
@@ -60,21 +60,6 @@ namespace Shadowsocks.WPF.Properties {
             }
         }
         
-        /// <summary>
-        ///   Looks up a localized string similar to &lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot; ?&gt;
-        ///&lt;!-- Warning: Configuration may reset after shadowsocks upgrade. --&gt;
-        ///&lt;!-- If you messed it up, delete this file and Shadowsocks will create a new one. --&gt;
-        ///&lt;nlog xmlns=&quot;http://www.nlog-project.org/schemas/NLog.xsd&quot; xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot;&gt;
-        ///    &lt;targets&gt;
-        ///        &lt;!-- This line is managed by Shadowsocks. Do not modify it unless you know what you are doing.--&gt;
-        ///        &lt;target name=&quot;file&quot; xsi:type=&quot;File&quot; fileName=&quot;ss_win_temp\shadowsocks [rest of string was truncated]&quot;;.
-        /// </summary>
-        internal static string NLog {
-            get {
-                return ResourceManager.GetString("NLog", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   Looks up a localized string similar to listen-address __PRIVOXY_BIND_IP__:__PRIVOXY_BIND_PORT__
         ///toggle 0
diff --git a/Shadowsocks.WPF/Properties/Resources.resx b/Shadowsocks.WPF/Properties/Resources.resx
index 63ba1758..54016944 100644
--- a/Shadowsocks.WPF/Properties/Resources.resx
+++ b/Shadowsocks.WPF/Properties/Resources.resx
@@ -112,15 +112,12 @@
     <value>2.0</value>
   </resheader>
   <resheader name="reader">
-    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <resheader name="writer">
-    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
-  <data name="NLog" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\NLog.config;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;Windows-1252</value>
-  </data>
+  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
   <data name="privoxy_conf" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\privoxy_conf.txt;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;Windows-1252</value>
   </data>
diff --git a/Shadowsocks.WPF/Resources/NLog.config b/Shadowsocks.WPF/Resources/NLog.config
deleted file mode 100644
index d955c871..00000000
--- a/Shadowsocks.WPF/Resources/NLog.config
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<!-- Warning: Configuration may reset after shadowsocks upgrade. -->
-<!-- If you messed it up, delete this file and Shadowsocks will create a new one. -->
-<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
-    <targets>
-        <!-- This line is managed by Shadowsocks. Do not modify it unless you know what you are doing.-->
-        <target name="file" xsi:type="File" fileName="ss_win_temp\shadowsocks.log" writeBom="false" encoding="utf-8"/>
-    </targets>
-    <rules>
-        <!-- This line is managed by Shadowsocks. Do not modify it unless you know what you are doing. -->
-        <logger name="*" minlevel="Info" writeTo="file"/>
-    </rules>
-</nlog>
\ No newline at end of file
diff --git a/Shadowsocks.WPF/Shadowsocks.WPF.csproj b/Shadowsocks.WPF/Shadowsocks.WPF.csproj
index 9d886785..f58d85a4 100644
--- a/Shadowsocks.WPF/Shadowsocks.WPF.csproj
+++ b/Shadowsocks.WPF/Shadowsocks.WPF.csproj
@@ -19,7 +19,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Remove="Resources\NLog.config" />
     <None Remove="Resources\privoxy.exe.gz" />
     <None Remove="Resources\privoxy_conf.txt" />
     <None Remove="Resources\RobotoMono\RobotoMono-Bold.ttf" />
@@ -96,7 +95,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Resource Include="Resources\NLog.config" />
     <Resource Include="Resources\privoxy.exe.gz" />
     <Resource Include="Resources\privoxy_conf.txt" />
     <Resource Include="Resources\RobotoMono\RobotoMono-Bold.ttf" />