diff --git a/tool/OpenCvSharp.NupkgBetaRemover/OpenCvSharp.NupkgBetaRemover.csproj b/tool/OpenCvSharp.NupkgBetaRemover/OpenCvSharp.NupkgBetaRemover.csproj
index 23b289a37..c122d420b 100644
--- a/tool/OpenCvSharp.NupkgBetaRemover/OpenCvSharp.NupkgBetaRemover.csproj
+++ b/tool/OpenCvSharp.NupkgBetaRemover/OpenCvSharp.NupkgBetaRemover.csproj
@@ -1,56 +1,16 @@
-<?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')" />
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{CC19F9A5-01A7-4BDF-B34C-CF56F46A474A}</ProjectGuid>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <OutputType>Exe</OutputType>
-    <RootNamespace>OpenCvSharp.NupkgBetaRemover</RootNamespace>
-    <AssemblyName>OpenCvSharp.NupkgBetaRemover</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
-    <Deterministic>true</Deterministic>
+    <PackageId>OpenCvSharp.NupkgBetaRemover</PackageId>
+    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
+    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
+    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
+    <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
+    <GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
+    <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.IO.Compression" />
-    <Reference Include="System.IO.Compression.FileSystem" />
-    <Reference Include="System.Windows.Forms" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Net.Http" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Program.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
   <ItemGroup>
     <None Include="App.config" />
   </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/tool/OpenCvSharp.NupkgBetaRemover/Program.cs b/tool/OpenCvSharp.NupkgBetaRemover/Program.cs
index 12fe8267e..b8004ad18 100644
--- a/tool/OpenCvSharp.NupkgBetaRemover/Program.cs
+++ b/tool/OpenCvSharp.NupkgBetaRemover/Program.cs
@@ -4,20 +4,17 @@
 using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
-using System.Windows.Forms;
 
 namespace OpenCvSharp.NupkgBetaRemover
 {
     class Program
     {
-        [STAThread]
         private static void Main(string[] args)
         {
-            var nupkgFiles = SelectNupkgFiles();
-            if (nupkgFiles == null)
+            if (args.Length == 0)
                 return;
 
-            foreach (var nupkgFile in nupkgFiles)
+            foreach (var nupkgFile in args)
             {
                 if (nupkgFile.Contains("ubuntu"))
                     continue;
@@ -66,22 +63,5 @@ private static void Main(string[] args)
                 File.Move(nupkgFile, newFileName);
             }
         }
-
-        private static string[] SelectNupkgFiles()
-        {
-            using (var dialog = new OpenFileDialog {
-                CheckFileExists = true,
-                CheckPathExists = true,
-                Filter = "nupkg files(*.nupkg;*.snupkg)|*.nupkg;*.snupkg",
-                Multiselect = true,
-                RestoreDirectory = true,
-                Title = "Select .nupkg files"
-            })
-            {
-                if (dialog.ShowDialog() != DialogResult.OK)
-                    return null;
-                return dialog.FileNames;
-            }
-        }
     }
 }