diff --git a/Tiobon.Core.PublishHelper/Src/Utility.cs b/Tiobon.Core.PublishHelper/Src/Utility.cs
index e1ff527d..5b7970e6 100644
--- a/Tiobon.Core.PublishHelper/Src/Utility.cs
+++ b/Tiobon.Core.PublishHelper/Src/Utility.cs
@@ -1,11 +1,8 @@
-using System;
-using System.Net;
+using System.Net;
 using System.Net.NetworkInformation;
 using System.Runtime.Serialization.Formatters.Binary;
 using System.Text;
 using System.Text.RegularExpressions;
-using ProtoBuf;
-using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace Tiobon.PublishHelper
 {
diff --git a/Tiobon.Core.PublishHelper/Tiobon.Core.PublishHelper.csproj b/Tiobon.Core.PublishHelper/Tiobon.Core.PublishHelper.csproj
index d5a714f5..afcaa906 100644
--- a/Tiobon.Core.PublishHelper/Tiobon.Core.PublishHelper.csproj
+++ b/Tiobon.Core.PublishHelper/Tiobon.Core.PublishHelper.csproj
@@ -22,7 +22,6 @@
     <PackageReference Include="ICSharpCode.SharpZipLib.dll" Version="0.85.4.369" />
     <PackageReference Include="MySql.Data" Version="8.3.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="protobuf-net" Version="3.2.30" />
     <PackageReference Include="SSH.NET" Version="2024.0.0" />
   </ItemGroup>