diff --git a/AppApi.cs b/AppApi.cs
index ed3ae28b..271d4b46 100644
--- a/AppApi.cs
+++ b/AppApi.cs
@@ -86,14 +86,6 @@ namespace VRCX
             Cef.GetGlobalCookieManager().DeleteCookies();
         }
 
-        public string LoginWithSteam()
-        {
-            var rpc = VRChatRPC.Instance;
-            return rpc.Update() == true
-                ? rpc.GetAuthSessionTicket()
-                : string.Empty;
-        }
-
         public bool[] CheckGameRunning()
         {
             var isGameRunning = false;
@@ -200,8 +192,8 @@ namespace VRCX
             Process.Start(new ProcessStartInfo
             {
                 WorkingDirectory = Path.GetDirectoryName(path),
-                            FileName = path,
-                            UseShellExecute = false,
+                FileName = path,
+                UseShellExecute = false,
                 Arguments = arguments
             }).Close();
         }
diff --git a/VRCX.csproj b/VRCX.csproj
index 442269b0..88c99ba9 100644
--- a/VRCX.csproj
+++ b/VRCX.csproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
@@ -212,7 +212,6 @@
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
-    <PostBuildEvent>xcopy /y "$(ProjectDir)VRChatRPC\VRChatRPC.dll" .
-xcopy /y "$(ProjectDir)OpenVR\win64\openvr_api.dll"</PostBuildEvent>
+    <PostBuildEvent>xcopy /y "$(ProjectDir)OpenVR\win64\openvr_api.dll"</PostBuildEvent>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/VRChatRPC.cs b/VRChatRPC.cs
deleted file mode 100644
index 5a283425..00000000
--- a/VRChatRPC.cs
+++ /dev/null
@@ -1,63 +0,0 @@
-// Copyright(c) 2019-2022 pypy, Natsumi and individual contributors.
-// All rights reserved.
-//
-// This work is licensed under the terms of the MIT license.
-// For a copy, see <https://opensource.org/licenses/MIT>.
-
-using System;
-using System.Runtime.InteropServices;
-using System.Text;
-
-namespace VRCX
-{
-    public class VRChatRPC
-    {
-        public static readonly VRChatRPC Instance;
-
-        [DllImport("VRChatRPC", CallingConvention = CallingConvention.Cdecl)]
-        private static extern bool VRChatRPC_000();
-
-        [DllImport("VRChatRPC", CallingConvention = CallingConvention.Cdecl)]
-        private static extern int VRChatRPC_001([Out] byte[] data, int size);
-
-        [DllImport("VRChatRPC", CallingConvention = CallingConvention.Cdecl)]
-        private static extern IntPtr VRChatRPC_002();
-
-        static VRChatRPC()
-        {
-            Instance = new VRChatRPC();
-        }
-
-        public bool Update()
-        {
-            return VRChatRPC_000();
-        }
-
-        public string GetAuthSessionTicket()
-        {
-            var a = new byte[1024];
-            var n = VRChatRPC_001(a, 1024);
-            return BitConverter.ToString(a, 0, n).Replace("-", string.Empty);
-        }
-
-        public string GetPersonaName()
-        {
-            var ptr = VRChatRPC_002();
-            if (ptr != IntPtr.Zero)
-            {
-                int n = 0;
-                while (Marshal.ReadByte(ptr, n) != 0)
-                {
-                    ++n;
-                }
-                if (n > 0)
-                {
-                    var a = new byte[n];
-                    Marshal.Copy(ptr, a, 0, a.Length);
-                    return Encoding.UTF8.GetString(a);
-                }
-            }
-            return string.Empty;
-        }
-    }
-}
diff --git a/VRChatRPC/README.txt b/VRChatRPC/README.txt
deleted file mode 100644
index c9ec1e37..00000000
--- a/VRChatRPC/README.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-it grabs some data from VRChat process.. use at own risk.
-
-by pypy (mina#5656)
\ No newline at end of file
diff --git a/VRChatRPC/VRChatRPC.dll b/VRChatRPC/VRChatRPC.dll
deleted file mode 100644
index 0a2df93a..00000000
Binary files a/VRChatRPC/VRChatRPC.dll and /dev/null differ
diff --git a/html/src/app.js b/html/src/app.js
index bda449ef..aa42ac0d 100644
--- a/html/src/app.js
+++ b/html/src/app.js
@@ -1181,33 +1181,6 @@ speechSynthesis.getVoices();
         });
     };
 
-    /*
-        params: {
-            steamTicket: string
-        }
-    */
-    API.loginWithSteam = function (params) {
-        return this.call(
-            `auth/steam?apiKey=${this.cachedConfig.clientApiKey}`,
-            {
-                method: 'POST',
-                params
-            }
-        ).then((json) => {
-            var args = {
-                json,
-                params,
-                origin: true
-            };
-            if (json.requiresTwoFactorAuth) {
-                this.$emit('USER:2FA', args);
-            } else {
-                this.$emit('USER:CURRENT', args);
-            }
-            return args;
-        });
-    };
-
     /*
         params: {
             code: string