diff --git a/Rehau.Sku.Assist-AddIn.dna b/Rehau.Sku.Assist-AddIn.dna
index bdf8847..64afb32 100644
--- a/Rehau.Sku.Assist-AddIn.dna
+++ b/Rehau.Sku.Assist-AddIn.dna
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <DnaLibrary Name="Rehau.Sku.Assist Add-In" RuntimeVersion="v4.0" xmlns="http://schemas.excel-dna.net/addin/2020/07/dnalibrary">
   <ExternalLibrary Path="Rehau.Sku.Assist.dll" ExplicitRegistration="true" LoadFromBytes="true" Pack="true" IncludePdb="false" />
+  
 
   <!--
        The RuntimeVersion attribute above allows only the following setting:
diff --git a/Rehau.Sku.Assist.csproj b/Rehau.Sku.Assist.csproj
index 87bd1e0..4b67017 100644
--- a/Rehau.Sku.Assist.csproj
+++ b/Rehau.Sku.Assist.csproj
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="packages\NUnit3TestAdapter.4.1.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('packages\NUnit3TestAdapter.4.1.0\build\net35\NUnit3TestAdapter.props')" />
-  <Import Project="packages\NUnit.3.13.2\build\NUnit.props" Condition="Exists('packages\NUnit.3.13.2\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -51,9 +49,6 @@
     <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework, Version=3.13.2.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>packages\NUnit.3.13.2\lib\net45\nunit.framework.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Buffers, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>packages\System.Buffers.4.5.1\lib\net461\System.Buffers.dll</HintPath>
@@ -95,7 +90,6 @@
     <Compile Include="Source\ExcelDNA\Functions.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Source\Assistant\SkuAssist.cs" />
-    <Compile Include="Tests\SkuAssistTests.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
@@ -110,7 +104,5 @@
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
     <Error Condition="!Exists('packages\ExcelDna.AddIn.1.5.0\build\ExcelDna.AddIn.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\ExcelDna.AddIn.1.5.0\build\ExcelDna.AddIn.targets'))" />
-    <Error Condition="!Exists('packages\NUnit.3.13.2\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\NUnit.3.13.2\build\NUnit.props'))" />
-    <Error Condition="!Exists('packages\NUnit3TestAdapter.4.1.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\NUnit3TestAdapter.4.1.0\build\net35\NUnit3TestAdapter.props'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/Tests/SkuAssistTests.cs b/Tests/SkuAssistTests.cs
deleted file mode 100644
index 19f8a0c..0000000
--- a/Tests/SkuAssistTests.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using NUnit.Framework;
-
-namespace Rehau.Sku.Assist.Tests
-{
-    [TestFixture]
-    public class SkuAssistTests
-    {
-        [Test]
-        public static void BaseTest()
-        {
-            var result = Functions.RAUNAME("160001");
-            Assert.AreEqual("Надвижная гильза REHAU RAUTITAN РХ (11600011001)", result);
-        }
-    }
-}
diff --git a/packages.config b/packages.config
index b42dcc6..e0d4160 100644
--- a/packages.config
+++ b/packages.config
@@ -5,8 +5,6 @@
   <package id="ExcelDna.Integration" version="1.5.0" targetFramework="net480" />
   <package id="ExcelDna.Registration" version="1.5.0" targetFramework="net480" />
   <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net48" />
-  <package id="NUnit" version="3.13.2" targetFramework="net48" />
-  <package id="NUnit3TestAdapter" version="4.1.0" targetFramework="net48" />
   <package id="System.Buffers" version="4.5.1" targetFramework="net48" />
   <package id="System.Memory" version="4.5.4" targetFramework="net48" />
   <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net48" />