diff --git a/src/Core/WinSWCore/WinSWCore.csproj b/src/Core/WinSWCore/WinSWCore.csproj
index 22a1f2a..3165242 100644
--- a/src/Core/WinSWCore/WinSWCore.csproj
+++ b/src/Core/WinSWCore/WinSWCore.csproj
@@ -24,16 +24,6 @@
     <PackageReference Include="System.Security.AccessControl" Version="4.7.0" />
   </ItemGroup>
 
-  <!-- error NU1605: Detected package downgrade: log4net 2.0.8 -->
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">
-    <PackageReference Include="System.Diagnostics.Debug" Version="4.3.0" />
-    <PackageReference Include="System.IO.FileSystem" Version="4.3.0" />
-    <PackageReference Include="System.Net.NameResolution" Version="4.3.0" />
-    <PackageReference Include="System.Runtime.Extensions" Version="4.3.1" />
-    <PackageReference Include="System.Runtime.InteropServices" Version="4.3.0" />
-    <PackageReference Include="System.Threading" Version="4.3.0" />
-  </ItemGroup>
-
   <ItemGroup Condition="'$(TargetFramework)' != 'netcoreapp3.1'">
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" />
     <Reference Include="System.Management" />