diff --git a/Wox.Infrastructure/IniParser.cs b/Wox.Infrastructure/IniParser.cs
deleted file mode 100644
index 95d080d5e3..0000000000
--- a/Wox.Infrastructure/IniParser.cs
+++ /dev/null
@@ -1,217 +0,0 @@
-using System;
-using System.Collections;
-using System.IO;
-
-namespace Wox.Infrastructure
-{
-    public class IniParser
-    {
-        private Hashtable keyPairs = new Hashtable();
-        private String iniFilePath;
-
-        private struct SectionPair
-        {
-            public String Section;
-            public String Key;
-        }
-
-        /// <summary>
-        /// Opens the INI file at the given path and enumerates the values in the IniParser.
-        /// </summary>
-        /// <param name="iniPath">Full path to INI file.</param>
-        public IniParser(String iniPath)
-        {
-            TextReader iniFile = null;
-            String strLine = null;
-            String currentRoot = null;
-            String[] keyPair = null;
-
-            iniFilePath = iniPath;
-
-            if (File.Exists(iniPath))
-            {
-                try
-                {
-                    iniFile = new StreamReader(iniPath);
-
-                    strLine = iniFile.ReadLine();
-
-                    while (strLine != null)
-                    {
-                        strLine = strLine.Trim();
-
-                        if (strLine != "")
-                        {
-                            if (strLine.StartsWith("[") && strLine.EndsWith("]"))
-                            {
-                                currentRoot = strLine.Substring(1, strLine.Length - 2).ToUpper();
-                            }
-                            else
-                            {
-                                keyPair = strLine.Split(new char[] { '=' }, 2);
-
-                                SectionPair sectionPair;
-                                String value = null;
-
-                                if (currentRoot == null)
-                                    currentRoot = "ROOT";
-
-                                sectionPair.Section = currentRoot;
-                                sectionPair.Key = keyPair[0].ToUpper().Trim();
-
-                                if (keyPair.Length > 1)
-                                    value = keyPair[1];
-
-                                keyPairs.Add(sectionPair, value.Trim());
-                            }
-                        }
-
-                        strLine = iniFile.ReadLine();
-                    }
-
-                }
-                catch (Exception ex)
-                {
-                    throw ex;
-                }
-                finally
-                {
-                    if (iniFile != null)
-                        iniFile.Close();
-                }
-            }
-            else
-                throw new FileNotFoundException("Unable to locate " + iniPath);
-        }
-
-        /// <summary>
-        /// Returns the value for the given section, key pair.
-        /// </summary>
-        /// <param name="sectionName">Section name.</param>
-        /// <param name="settingName">Key name.</param>
-        public String GetSetting(String sectionName, String settingName)
-        {
-            SectionPair sectionPair;
-            sectionPair.Section = sectionName.ToUpper().Trim();
-            sectionPair.Key = settingName.ToUpper().Trim();
-
-            return (String)keyPairs[sectionPair];
-        }
-
-        /// <summary>
-        /// Enumerates all lines for given section.
-        /// </summary>
-        /// <param name="sectionName">Section to enum.</param>
-        public String[] EnumSection(String sectionName)
-        {
-            ArrayList tmpArray = new ArrayList();
-
-            foreach (SectionPair pair in keyPairs.Keys)
-            {
-                if (pair.Section == sectionName.ToUpper())
-                    tmpArray.Add(pair.Key);
-            }
-
-            return (String[])tmpArray.ToArray(typeof(String));
-        }
-
-        /// <summary>
-        /// Adds or replaces a setting to the table to be saved.
-        /// </summary>
-        /// <param name="sectionName">Section to add under.</param>
-        /// <param name="settingName">Key name to add.</param>
-        /// <param name="settingValue">Value of key.</param>
-        public void AddSetting(String sectionName, String settingName, String settingValue)
-        {
-            SectionPair sectionPair;
-            sectionPair.Section = sectionName.ToUpper();
-            sectionPair.Key = settingName.ToUpper();
-
-            if (keyPairs.ContainsKey(sectionPair))
-                keyPairs.Remove(sectionPair);
-
-            keyPairs.Add(sectionPair, settingValue);
-        }
-
-        /// <summary>
-        /// Adds or replaces a setting to the table to be saved with a null value.
-        /// </summary>
-        /// <param name="sectionName">Section to add under.</param>
-        /// <param name="settingName">Key name to add.</param>
-        public void AddSetting(String sectionName, String settingName)
-        {
-            AddSetting(sectionName, settingName, null);
-        }
-
-        /// <summary>
-        /// Remove a setting.
-        /// </summary>
-        /// <param name="sectionName">Section to add under.</param>
-        /// <param name="settingName">Key name to add.</param>
-        public void DeleteSetting(String sectionName, String settingName)
-        {
-            SectionPair sectionPair;
-            sectionPair.Section = sectionName.ToUpper();
-            sectionPair.Key = settingName.ToUpper();
-
-            if (keyPairs.ContainsKey(sectionPair))
-                keyPairs.Remove(sectionPair);
-        }
-
-        /// <summary>
-        /// Save settings to new file.
-        /// </summary>
-        /// <param name="newFilePath">New file path.</param>
-        public void SaveSettings(String newFilePath)
-        {
-            ArrayList sections = new ArrayList();
-            String tmpValue = "";
-            String strToSave = "";
-
-            foreach (SectionPair sectionPair in keyPairs.Keys)
-            {
-                if (!sections.Contains(sectionPair.Section))
-                    sections.Add(sectionPair.Section);
-            }
-
-            foreach (String section in sections)
-            {
-                strToSave += ("[" + section + "]\r\n");
-
-                foreach (SectionPair sectionPair in keyPairs.Keys)
-                {
-                    if (sectionPair.Section == section)
-                    {
-                        tmpValue = (String)keyPairs[sectionPair];
-
-                        if (tmpValue != null)
-                            tmpValue = "=" + tmpValue;
-
-                        strToSave += (sectionPair.Key + tmpValue + "\r\n");
-                    }
-                }
-
-                strToSave += "\r\n";
-            }
-
-            try
-            {
-                TextWriter tw = new StreamWriter(newFilePath);
-                tw.Write(strToSave);
-                tw.Close();
-            }
-            catch (Exception ex)
-            {
-                throw ex;
-            }
-        }
-
-        /// <summary>
-        /// Save settings back to ini file.
-        /// </summary>
-        public void SaveSettings()
-        {
-            SaveSettings(iniFilePath);
-        }
-    }
-}
\ No newline at end of file
diff --git a/Wox.Infrastructure/Wox.Infrastructure.csproj b/Wox.Infrastructure/Wox.Infrastructure.csproj
index c1dc32ec1c..435388f399 100644
--- a/Wox.Infrastructure/Wox.Infrastructure.csproj
+++ b/Wox.Infrastructure/Wox.Infrastructure.csproj
@@ -54,7 +54,6 @@
     <Compile Include="FuzzyMatcher.cs" />
     <Compile Include="GlobalHotkey.cs" />
     <Compile Include="HotkeyModel.cs" />
-    <Compile Include="IniParser.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Storage\UserSelectedRecordStorage.cs" />
     <Compile Include="Storage\UserSettings\UserSettingStorage.cs" />