diff --git a/SabreTools.Hashing.Test/SabreTools.Hashing.Test.csproj b/SabreTools.Hashing.Test/SabreTools.Hashing.Test.csproj
index 8be964f..3161046 100644
--- a/SabreTools.Hashing.Test/SabreTools.Hashing.Test.csproj
+++ b/SabreTools.Hashing.Test/SabreTools.Hashing.Test.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net452;net462;net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net462;net6.0;net7.0;net8.0</TargetFrameworks>
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
     <IsPackable>false</IsPackable>
     <LangVersion>latest</LangVersion>
@@ -20,13 +20,6 @@
   </ItemGroup>
 
   <!-- Support for old .NET versions -->
-  <ItemGroup Condition="$(TargetFramework.StartsWith(`net452`))">
-    <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
   <ItemGroup Condition="$(TargetFramework.StartsWith(`net462`)) OR $(TargetFramework.StartsWith(`net6`)) OR $(TargetFramework.StartsWith(`net7`)) OR $(TargetFramework.StartsWith(`net8`))">
     <PackageReference Include="xunit" Version="2.6.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.4">