diff --git a/src/ZirconNet.Core/Hosting/EnvironmentManagerDI.cs b/src/ZirconNet.Core/Hosting/EnvironmentManagerDI.cs
index 6a5a738..d8c3e67 100644
--- a/src/ZirconNet.Core/Hosting/EnvironmentManagerDI.cs
+++ b/src/ZirconNet.Core/Hosting/EnvironmentManagerDI.cs
@@ -7,7 +7,7 @@
 using ZirconNet.Core.Environments;
 
 namespace ZirconNet.Core.Hosting;
-internal class EnvironmentManagerDI : IEnvironmentManager
+internal sealed class EnvironmentManagerDI : IEnvironmentManager
 {
     public ApplicationEnvironment Environment => EnvironmentManager.Current.Environment;
 
diff --git a/src/ZirconNet.Core/ZirconNet.Core.csproj b/src/ZirconNet.Core/ZirconNet.Core.csproj
index a1d0cc1..be6de5f 100644
--- a/src/ZirconNet.Core/ZirconNet.Core.csproj
+++ b/src/ZirconNet.Core/ZirconNet.Core.csproj
@@ -52,7 +52,6 @@
 
 	<ItemGroup Condition="'$(TargetFramework)'=='net461' or '$(TargetFramework)'=='net47'">
 		<PackageReference Include="System.Net.Http" Version="4.3.4" />
-		<PackageReference Include="System.ValueTuple" Version="4.5.0" />
 	</ItemGroup>
 
 	<ItemGroup Condition="'$(TargetFramework)'=='net461' or '$(TargetFramework)'=='net47' or '$(TargetFramework)'=='net48'">
diff --git a/src/ZirconNet.WPF/ZirconNet.WPF.csproj b/src/ZirconNet.WPF/ZirconNet.WPF.csproj
index 5103dee..89e11e0 100644
--- a/src/ZirconNet.WPF/ZirconNet.WPF.csproj
+++ b/src/ZirconNet.WPF/ZirconNet.WPF.csproj
@@ -38,13 +38,6 @@
 	  </None>
 	</ItemGroup>
 
-	<ItemGroup Condition="'$(TargetFramework)'=='net461' or '$(TargetFramework)'=='net47' or '$(TargetFramework)'=='net48'">
-		<PackageReference Include="PolySharp" Version="1.12.1">
-			<PrivateAssets>all</PrivateAssets>
-			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-		</PackageReference>
-	</ItemGroup>
-
 	<ItemGroup>
 		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.0.0" />
 		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1">