diff --git a/src/modules/launcher/PowerLauncher/App.xaml.cs b/src/modules/launcher/PowerLauncher/App.xaml.cs
index 90fd0af4d3..c0398d501b 100644
--- a/src/modules/launcher/PowerLauncher/App.xaml.cs
+++ b/src/modules/launcher/PowerLauncher/App.xaml.cs
@@ -18,7 +18,6 @@ using PowerLauncher.Plugin;
 using PowerLauncher.ViewModel;
 using Wox;
 using Wox.Infrastructure;
-using Wox.Infrastructure.Http;
 using Wox.Infrastructure.Image;
 using Wox.Infrastructure.UserSettings;
 using Wox.Plugin;
@@ -129,9 +128,6 @@ namespace PowerLauncher
                 Current.MainWindow = _mainWindow;
                 Current.MainWindow.Title = Constant.ExeFileName;
 
-                // main windows needs initialized before theme change because of blur settings
-                HttpClient.Proxy = _settings.Proxy;
-
                 RegisterExitEvents();
 
                 _settingsReader.ReadSettingsOnChange();
diff --git a/src/modules/launcher/PowerLauncher/Helper/DataWebRequestFactory.cs b/src/modules/launcher/PowerLauncher/Helper/DataWebRequestFactory.cs
deleted file mode 100644
index 8c37db5e25..0000000000
--- a/src/modules/launcher/PowerLauncher/Helper/DataWebRequestFactory.cs
+++ /dev/null
@@ -1,86 +0,0 @@
-// Copyright (c) Microsoft Corporation
-// The Microsoft Corporation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-using System;
-using System.IO;
-using System.Net;
-
-namespace PowerLauncher.Helper
-{
-    public class DataWebRequestFactory : IWebRequestCreate
-    {
-        private class DataWebRequest : WebRequest
-        {
-            private readonly Uri _uri;
-
-#pragma warning disable SYSLIB0014 // Type or member is obsolete
-
-            // TODO: Verify if it's dead code or replace with HttpClient
-            public DataWebRequest(Uri uri)
-            {
-                _uri = uri;
-            }
-#pragma warning restore SYSLIB0014 // Type or member is obsolete
-
-            public override WebResponse GetResponse()
-            {
-                return new DataWebResponse(_uri);
-            }
-        }
-
-        private class DataWebResponse : WebResponse
-        {
-            private readonly string _contentType;
-            private readonly byte[] _data;
-
-            public DataWebResponse(Uri uri)
-            {
-                string uriString = uri.AbsoluteUri;
-
-                // Using Ordinal since this is internal and used with a symbol
-                int commaIndex = uriString.IndexOf(',', StringComparison.Ordinal);
-                var headers = uriString.Substring(0, commaIndex).Split(';');
-                _contentType = headers[0];
-                string dataString = uriString.Substring(commaIndex + 1);
-                _data = Convert.FromBase64String(dataString);
-            }
-
-            public override string ContentType
-            {
-                get
-                {
-                    return _contentType;
-                }
-
-                set
-                {
-                    throw new NotSupportedException();
-                }
-            }
-
-            public override long ContentLength
-            {
-                get
-                {
-                    return _data.Length;
-                }
-
-                set
-                {
-                    throw new NotSupportedException();
-                }
-            }
-
-            public override Stream GetResponseStream()
-            {
-                return new MemoryStream(_data);
-            }
-        }
-
-        public WebRequest Create(Uri uri)
-        {
-            return new DataWebRequest(uri);
-        }
-    }
-}
diff --git a/src/modules/launcher/PowerLauncher/PublicAPIInstance.cs b/src/modules/launcher/PowerLauncher/PublicAPIInstance.cs
index 8c6940973c..53dad925fc 100644
--- a/src/modules/launcher/PowerLauncher/PublicAPIInstance.cs
+++ b/src/modules/launcher/PowerLauncher/PublicAPIInstance.cs
@@ -5,19 +5,15 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Net;
-using System.Reflection;
 using System.Windows;
 using Common.UI;
 using ManagedCommon;
 using Microsoft.Toolkit.Uwp.Notifications;
-using PowerLauncher.Helper;
 using PowerLauncher.Plugin;
 using PowerLauncher.ViewModel;
 using Windows.UI.Notifications;
 using Wox.Infrastructure.Image;
 using Wox.Plugin;
-using Wox.Plugin.Logger;
 
 namespace Wox
 {
@@ -36,7 +32,6 @@ namespace Wox
             _mainVM = mainVM ?? throw new ArgumentNullException(nameof(mainVM));
             _themeManager = themeManager ?? throw new ArgumentNullException(nameof(themeManager));
             _themeManager.ThemeChanged += OnThemeChanged;
-            WebRequest.RegisterPrefix("data", new DataWebRequestFactory());
 
             ToastNotificationManagerCompat.OnActivated += args =>
             {
diff --git a/src/modules/launcher/Wox.Infrastructure/Http/HttpClient.cs b/src/modules/launcher/Wox.Infrastructure/Http/HttpClient.cs
deleted file mode 100644
index 0f81630159..0000000000
--- a/src/modules/launcher/Wox.Infrastructure/Http/HttpClient.cs
+++ /dev/null
@@ -1,65 +0,0 @@
-// Copyright (c) Microsoft Corporation
-// The Microsoft Corporation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-using System;
-using System.IO;
-using System.Net;
-using System.Net.Http;
-using System.Reflection;
-using System.Text;
-using System.Threading.Tasks;
-using JetBrains.Annotations;
-using Wox.Infrastructure.UserSettings;
-using Wox.Plugin.Logger;
-
-namespace Wox.Infrastructure.Http
-{
-    public static class HttpClient
-    {
-        private const string UserAgent = @"Mozilla/5.0 (Trident/7.0; rv:11.0) like Gecko";
-
-        public static HttpProxy Proxy { get; set; }
-
-        public static IWebProxy WebProxy()
-        {
-            if (Proxy != null && Proxy.Enabled && !string.IsNullOrEmpty(Proxy.Server))
-            {
-                if (string.IsNullOrEmpty(Proxy.UserName) || string.IsNullOrEmpty(Proxy.Password))
-                {
-                    var webProxy = new WebProxy(Proxy.Server, Proxy.Port);
-                    return webProxy;
-                }
-                else
-                {
-                    var webProxy = new WebProxy(Proxy.Server, Proxy.Port)
-                    {
-                        Credentials = new NetworkCredential(Proxy.UserName, Proxy.Password),
-                    };
-                    return webProxy;
-                }
-            }
-            else
-            {
-                return WebRequest.GetSystemWebProxy();
-            }
-        }
-
-        public static void Download([NotNull] Uri url, [NotNull] string filePath)
-        {
-            if (url == null)
-            {
-                throw new ArgumentNullException(nameof(url));
-            }
-
-#pragma warning disable SYSLIB0014 // Type or member is obsolete
-
-            // TODO: Verify if it's dead code or replace with HttpClient
-            var client = new WebClient { Proxy = WebProxy() };
-#pragma warning restore SYSLIB0014 // Type or member is obsolete
-            client.Headers.Add("user-agent", UserAgent);
-            client.DownloadFile(url.AbsoluteUri, filePath);
-            client.Dispose();
-        }
-    }
-}