diff --git a/bench/Directory.Build.targets b/bench/Directory.Build.targets
index 14437118703..55b2cc7c075 100644
--- a/bench/Directory.Build.targets
+++ b/bench/Directory.Build.targets
@@ -1,3 +1,8 @@
 <Project>
   <Import Project="$([MSBuild]::GetPathOfFileAbove('Directory.Build.targets', '$(MSBuildThisFileDirectory)../'))" />
+
+  <PropertyGroup>
+    <!-- Stop complaining about enabling /doc for benchmarks -->
+    <NoWarn>$(NoWarn);RT0000</NoWarn>
+  </PropertyGroup>
 </Project>
diff --git a/eng/MSBuild/Analyzers.props b/eng/MSBuild/Analyzers.props
index 54d4c5347e2..040e7ecd025 100644
--- a/eng/MSBuild/Analyzers.props
+++ b/eng/MSBuild/Analyzers.props
@@ -22,6 +22,7 @@
     <PackageReference Include="SonarAnalyzer.CSharp" PrivateAssets="all" IncludeAssets="runtime; build; native; contentfiles; analyzers; buildtransitive" />
     <PackageReference Include="StyleCop.Analyzers.Unstable" PrivateAssets="all" IncludeAssets="runtime; build; native; contentfiles; analyzers; buildtransitive" />
     <AdditionalFiles Include="$(RepositoryEngineeringDir)\Stylecop.json" Visible="false" />
+    <PackageReference Include="ReferenceTrimmer" PrivateAssets="all" IncludeAssets="runtime; build; native; contentfiles; analyzers" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(SkipAnalyzers)' != 'true'">
diff --git a/eng/packages/General.props b/eng/packages/General.props
index cd2a0b19b6c..f2440cf2704 100644
--- a/eng/packages/General.props
+++ b/eng/packages/General.props
@@ -62,6 +62,7 @@
 
   <ItemGroup>
     <PackageVersion Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.5.22" />
+    <PackageVersion Include="ReferenceTrimmer" Version="3.3.1" />
     <PackageVersion Include="SonarAnalyzer.CSharp" Version="8.52.0.60960" />
     <PackageVersion Include="StyleCop.Analyzers.Unstable" Version="1.2.0.507" />
   </ItemGroup>
diff --git a/src/Analyzers/Directory.Build.targets b/src/Analyzers/Directory.Build.targets
index 88cbdae86dd..49a5838628a 100644
--- a/src/Analyzers/Directory.Build.targets
+++ b/src/Analyzers/Directory.Build.targets
@@ -5,4 +5,9 @@
     <IsPackable>false</IsPackable>
     <Api>false</Api>
   </PropertyGroup>
+
+  <PropertyGroup>
+    <!-- Stop complaining about enabling /doc for analyzers -->
+    <NoWarn>$(NoWarn);RT0000</NoWarn>
+  </PropertyGroup>
 </Project>
diff --git a/src/Generators/Directory.Build.targets b/src/Generators/Directory.Build.targets
index 88cbdae86dd..fa161115b87 100644
--- a/src/Generators/Directory.Build.targets
+++ b/src/Generators/Directory.Build.targets
@@ -5,4 +5,9 @@
     <IsPackable>false</IsPackable>
     <Api>false</Api>
   </PropertyGroup>
+
+  <PropertyGroup>
+    <!-- Stop complaining about enabling /doc for tests -->
+    <NoWarn>$(NoWarn);RT0000</NoWarn>
+  </PropertyGroup>
 </Project>
diff --git a/src/Libraries/Microsoft.AspNetCore.Diagnostics.Middleware/Microsoft.AspNetCore.Diagnostics.Middleware.csproj b/src/Libraries/Microsoft.AspNetCore.Diagnostics.Middleware/Microsoft.AspNetCore.Diagnostics.Middleware.csproj
index 654e36f481f..5484aa8f5af 100644
--- a/src/Libraries/Microsoft.AspNetCore.Diagnostics.Middleware/Microsoft.AspNetCore.Diagnostics.Middleware.csproj
+++ b/src/Libraries/Microsoft.AspNetCore.Diagnostics.Middleware/Microsoft.AspNetCore.Diagnostics.Middleware.csproj
@@ -40,7 +40,6 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" />
-    <PackageReference Include="Microsoft.IO.RecyclableMemoryStream" />
     <PackageReference Include="System.Collections.Immutable" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))" />
   </ItemGroup>
diff --git a/src/Libraries/Microsoft.Extensions.Compliance.Testing/Microsoft.Extensions.Compliance.Testing.csproj b/src/Libraries/Microsoft.Extensions.Compliance.Testing/Microsoft.Extensions.Compliance.Testing.csproj
index 0da536c5c51..ef2fcd70e7f 100644
--- a/src/Libraries/Microsoft.Extensions.Compliance.Testing/Microsoft.Extensions.Compliance.Testing.csproj
+++ b/src/Libraries/Microsoft.Extensions.Compliance.Testing/Microsoft.Extensions.Compliance.Testing.csproj
@@ -21,7 +21,6 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Microsoft.Extensions.Compliance.Abstractions\Microsoft.Extensions.Compliance.Abstractions.csproj" />
-    <ProjectReference Include="..\Microsoft.Extensions.Telemetry.Abstractions\Microsoft.Extensions.Telemetry.Abstractions.csproj" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Libraries/Microsoft.Extensions.Diagnostics.Testing/Microsoft.Extensions.Diagnostics.Testing.csproj b/src/Libraries/Microsoft.Extensions.Diagnostics.Testing/Microsoft.Extensions.Diagnostics.Testing.csproj
index 5bd030df5e9..618c6ba38ba 100644
--- a/src/Libraries/Microsoft.Extensions.Diagnostics.Testing/Microsoft.Extensions.Diagnostics.Testing.csproj
+++ b/src/Libraries/Microsoft.Extensions.Diagnostics.Testing/Microsoft.Extensions.Diagnostics.Testing.csproj
@@ -29,6 +29,7 @@
     <PackageReference Include="Microsoft.Extensions.Logging" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" />
     <PackageReference Include="Microsoft.Bcl.TimeProvider" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Libraries/Microsoft.Extensions.Http.Diagnostics/Microsoft.Extensions.Http.Diagnostics.csproj b/src/Libraries/Microsoft.Extensions.Http.Diagnostics/Microsoft.Extensions.Http.Diagnostics.csproj
index 223a370cd57..052c54939ba 100644
--- a/src/Libraries/Microsoft.Extensions.Http.Diagnostics/Microsoft.Extensions.Http.Diagnostics.csproj
+++ b/src/Libraries/Microsoft.Extensions.Http.Diagnostics/Microsoft.Extensions.Http.Diagnostics.csproj
@@ -43,9 +43,7 @@
     <PackageReference Include="Microsoft.IO.RecyclableMemoryStream" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" />
     <PackageReference Include="Microsoft.Extensions.Http" />
-    <PackageReference Include="System.Text.Json" />
     <PackageReference Include="System.Collections.Immutable" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))" />
-    <PackageReference Include="System.Net.Http" Condition="'$(TargetFramework)' == 'net462'" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Libraries/Microsoft.Extensions.Resilience/Microsoft.Extensions.Resilience.csproj b/src/Libraries/Microsoft.Extensions.Resilience/Microsoft.Extensions.Resilience.csproj
index 672833718fc..f1a2eabe129 100644
--- a/src/Libraries/Microsoft.Extensions.Resilience/Microsoft.Extensions.Resilience.csproj
+++ b/src/Libraries/Microsoft.Extensions.Resilience/Microsoft.Extensions.Resilience.csproj
@@ -31,7 +31,6 @@
     <PackageReference Include="Polly.Core" />
     <PackageReference Include="Polly.Extensions" />
     <PackageReference Include="Polly.RateLimiting" />
-    <PackageReference Include="Microsoft.Bcl.HashCode" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
     <PackageReference Include="Microsoft.Extensions.Diagnostics" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))" />
diff --git a/src/Libraries/Microsoft.Extensions.Telemetry.Abstractions/Microsoft.Extensions.Telemetry.Abstractions.csproj b/src/Libraries/Microsoft.Extensions.Telemetry.Abstractions/Microsoft.Extensions.Telemetry.Abstractions.csproj
index 0e16deda969..08a379be0e6 100644
--- a/src/Libraries/Microsoft.Extensions.Telemetry.Abstractions/Microsoft.Extensions.Telemetry.Abstractions.csproj
+++ b/src/Libraries/Microsoft.Extensions.Telemetry.Abstractions/Microsoft.Extensions.Telemetry.Abstractions.csproj
@@ -48,8 +48,6 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Options" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" />
-    <PackageReference Include="System.Diagnostics.DiagnosticSource" />
-    <PackageReference Include="Microsoft.Bcl.HashCode" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Libraries/Microsoft.Extensions.Telemetry/Microsoft.Extensions.Telemetry.csproj b/src/Libraries/Microsoft.Extensions.Telemetry/Microsoft.Extensions.Telemetry.csproj
index 95bb8c20fb2..053db6d3e60 100644
--- a/src/Libraries/Microsoft.Extensions.Telemetry/Microsoft.Extensions.Telemetry.csproj
+++ b/src/Libraries/Microsoft.Extensions.Telemetry/Microsoft.Extensions.Telemetry.csproj
@@ -34,7 +34,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" />
     <PackageReference Include="Microsoft.Extensions.Options" />
-    <PackageReference Include="Microsoft.Bcl.TimeProvider" />
+    <PackageReference Include="Microsoft.Bcl.TimeProvider" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))" />
     <PackageReference Include="Microsoft.Extensions.Logging.Configuration" />
     <PackageReference Include="System.Collections.Immutable" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))" />
     <Reference Include="System.Net.Http" Condition="'$(TargetFramework)' == 'net462'" />
diff --git a/src/Libraries/Microsoft.Extensions.TimeProvider.Testing/Microsoft.Extensions.TimeProvider.Testing.csproj b/src/Libraries/Microsoft.Extensions.TimeProvider.Testing/Microsoft.Extensions.TimeProvider.Testing.csproj
index fd90b9425b8..c18c12b7023 100644
--- a/src/Libraries/Microsoft.Extensions.TimeProvider.Testing/Microsoft.Extensions.TimeProvider.Testing.csproj
+++ b/src/Libraries/Microsoft.Extensions.TimeProvider.Testing/Microsoft.Extensions.TimeProvider.Testing.csproj
@@ -19,7 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Bcl.TimeProvider" />
+    <PackageReference Include="Microsoft.Bcl.TimeProvider" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Shared/Shared.csproj b/src/Shared/Shared.csproj
index ed668a5200b..f6cbb03ea83 100644
--- a/src/Shared/Shared.csproj
+++ b/src/Shared/Shared.csproj
@@ -26,12 +26,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Memory" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
+    <PackageReference Include="Microsoft.Bcl.HashCode" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" />
     <PackageReference Include="Microsoft.Extensions.ObjectPool" />
-    <PackageReference Include="System.ComponentModel.Annotations" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
-    <PackageReference Include="System.ValueTuple" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
-    <PackageReference Include="Microsoft.Bcl.HashCode" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
+    <PackageReference Include="System.ComponentModel.Annotations" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" NoWarn="RT0003" />
+    <PackageReference Include="System.Memory" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/Directory.Build.targets b/test/Directory.Build.targets
index 47cb284b866..f005ff90cfe 100644
--- a/test/Directory.Build.targets
+++ b/test/Directory.Build.targets
@@ -13,8 +13,8 @@
     <Content Include="$(MSBuildThisFileDirectory)\..\eng\xunit.runner.json" CopyToOutputDirectory="PreserveNewest" Visible="false" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(IsUnitTestProject)' == 'true'">
-    <ProjectReference Include="$(MSBuildThisFileDirectory)\TestUtilities\TestUtilities.csproj" />
-  </ItemGroup>
-
+  <PropertyGroup>
+    <!-- Stop complaining about enabling /doc for tests -->
+    <NoWarn>$(NoWarn);RT0000</NoWarn>
+  </PropertyGroup>
 </Project>
diff --git a/test/Generators/Microsoft.Gen.Metrics/Unit/Microsoft.Gen.Metrics.Unit.Tests.csproj b/test/Generators/Microsoft.Gen.Metrics/Unit/Microsoft.Gen.Metrics.Unit.Tests.csproj
index a2f36044ae7..4de04ed55f3 100644
--- a/test/Generators/Microsoft.Gen.Metrics/Unit/Microsoft.Gen.Metrics.Unit.Tests.csproj
+++ b/test/Generators/Microsoft.Gen.Metrics/Unit/Microsoft.Gen.Metrics.Unit.Tests.csproj
@@ -16,7 +16,9 @@
   <ItemGroup>
     <ProjectReference Include="..\..\..\..\src\Generators\Microsoft.Gen.Metrics\Microsoft.Gen.Metrics.csproj" />
     <ProjectReference Include="..\..\..\..\src\Libraries\Microsoft.Extensions.Telemetry.Abstractions\Microsoft.Extensions.Telemetry.Abstractions.csproj" />
-    <ProjectReference Include="..\Generated\Microsoft.Gen.Metrics.Generated.Tests.csproj" />
+
+    <!-- This reference is used to force the build order, so suppress RT0002 and leave this reference present -->
+    <ProjectReference Include="..\Generated\Microsoft.Gen.Metrics.Generated.Tests.csproj" NoWarn="RT0002" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/Libraries/Microsoft.AspNetCore.HeaderParsing.Tests/Microsoft.AspNetCore.HeaderParsing.Tests.csproj b/test/Libraries/Microsoft.AspNetCore.HeaderParsing.Tests/Microsoft.AspNetCore.HeaderParsing.Tests.csproj
index fc601f47358..57858f96902 100644
--- a/test/Libraries/Microsoft.AspNetCore.HeaderParsing.Tests/Microsoft.AspNetCore.HeaderParsing.Tests.csproj
+++ b/test/Libraries/Microsoft.AspNetCore.HeaderParsing.Tests/Microsoft.AspNetCore.HeaderParsing.Tests.csproj
@@ -10,7 +10,6 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.AspNetCore.HeaderParsing\Microsoft.AspNetCore.HeaderParsing.csproj" ProjectUnderTest="true" />
-    <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Hosting.Testing\Microsoft.Extensions.Hosting.Testing.csproj" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Diagnostics.Testing\Microsoft.Extensions.Diagnostics.Testing.csproj" />
   </ItemGroup>
 </Project>
diff --git a/test/Libraries/Microsoft.AspNetCore.Testing.Tests/Microsoft.AspNetCore.Testing.Tests.csproj b/test/Libraries/Microsoft.AspNetCore.Testing.Tests/Microsoft.AspNetCore.Testing.Tests.csproj
index 41cdb91981f..11d60ebbaba 100644
--- a/test/Libraries/Microsoft.AspNetCore.Testing.Tests/Microsoft.AspNetCore.Testing.Tests.csproj
+++ b/test/Libraries/Microsoft.AspNetCore.Testing.Tests/Microsoft.AspNetCore.Testing.Tests.csproj
@@ -11,5 +11,6 @@
   <ItemGroup>
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.AspNetCore.Testing\Microsoft.AspNetCore.Testing.csproj" ProjectUnderTest="true" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Hosting.Testing\Microsoft.Extensions.Hosting.Testing.csproj" />
+    <ProjectReference Include="..\..\TestUtilities\TestUtilities.csproj" />
   </ItemGroup>
 </Project>
diff --git a/test/Libraries/Microsoft.Extensions.Compliance.Redaction.Tests/Microsoft.Extensions.Compliance.Redaction.Tests.csproj b/test/Libraries/Microsoft.Extensions.Compliance.Redaction.Tests/Microsoft.Extensions.Compliance.Redaction.Tests.csproj
index f17dfac63ad..787cc7d91e8 100644
--- a/test/Libraries/Microsoft.Extensions.Compliance.Redaction.Tests/Microsoft.Extensions.Compliance.Redaction.Tests.csproj
+++ b/test/Libraries/Microsoft.Extensions.Compliance.Redaction.Tests/Microsoft.Extensions.Compliance.Redaction.Tests.csproj
@@ -7,6 +7,11 @@
   <ItemGroup>
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Compliance.Redaction\Microsoft.Extensions.Compliance.Redaction.csproj" ProjectUnderTest="true" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Compliance.Testing\Microsoft.Extensions.Compliance.Testing.csproj" />
-    <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Hosting.Testing\Microsoft.Extensions.Hosting.Testing.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Configuration" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" />
+    <PackageReference Include="Microsoft.Extensions.Logging" />
   </ItemGroup>
 </Project>
diff --git a/test/Libraries/Microsoft.Extensions.Diagnostics.Probes.Tests/Microsoft.Extensions.Diagnostics.Probes.Tests.csproj b/test/Libraries/Microsoft.Extensions.Diagnostics.Probes.Tests/Microsoft.Extensions.Diagnostics.Probes.Tests.csproj
index 5cb8a9f8f62..5f6ca415e12 100644
--- a/test/Libraries/Microsoft.Extensions.Diagnostics.Probes.Tests/Microsoft.Extensions.Diagnostics.Probes.Tests.csproj
+++ b/test/Libraries/Microsoft.Extensions.Diagnostics.Probes.Tests/Microsoft.Extensions.Diagnostics.Probes.Tests.csproj
@@ -16,8 +16,6 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net462'" >
-    <PackageReference Include="System.Net.Http" />
-
     <!-- Direct dependencies as Microsoft.AspNetCore.Mvc.Testing references vulnerable versions. -->
     <PackageReference Include="Microsoft.AspNetCore.Http" />
     <PackageReference Include="System.IO.Pipelines" />
diff --git a/test/Libraries/Microsoft.Extensions.Diagnostics.ResourceMonitoring.Tests/Microsoft.Extensions.Diagnostics.ResourceMonitoring.Tests.csproj b/test/Libraries/Microsoft.Extensions.Diagnostics.ResourceMonitoring.Tests/Microsoft.Extensions.Diagnostics.ResourceMonitoring.Tests.csproj
index a1edfd280cf..5f470b1aaf4 100644
--- a/test/Libraries/Microsoft.Extensions.Diagnostics.ResourceMonitoring.Tests/Microsoft.Extensions.Diagnostics.ResourceMonitoring.Tests.csproj
+++ b/test/Libraries/Microsoft.Extensions.Diagnostics.ResourceMonitoring.Tests/Microsoft.Extensions.Diagnostics.ResourceMonitoring.Tests.csproj
@@ -20,5 +20,6 @@
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Diagnostics.ResourceMonitoring\Microsoft.Extensions.Diagnostics.ResourceMonitoring.csproj" ProjectUnderTest="true" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Hosting.Testing\Microsoft.Extensions.Hosting.Testing.csproj" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.TimeProvider.Testing\Microsoft.Extensions.TimeProvider.Testing.csproj" />
+    <ProjectReference Include="..\..\TestUtilities\TestUtilities.csproj" />
   </ItemGroup>
 </Project>
diff --git a/test/Libraries/Microsoft.Extensions.Http.Diagnostics.Tests/Microsoft.Extensions.Http.Diagnostics.Tests.csproj b/test/Libraries/Microsoft.Extensions.Http.Diagnostics.Tests/Microsoft.Extensions.Http.Diagnostics.Tests.csproj
index 44d17c5b2a4..4bc20735577 100644
--- a/test/Libraries/Microsoft.Extensions.Http.Diagnostics.Tests/Microsoft.Extensions.Http.Diagnostics.Tests.csproj
+++ b/test/Libraries/Microsoft.Extensions.Http.Diagnostics.Tests/Microsoft.Extensions.Http.Diagnostics.Tests.csproj
@@ -25,7 +25,6 @@
     <PackageReference Include="Microsoft.Extensions.Hosting" />
     <PackageReference Include="Microsoft.Extensions.Http" />
     <PackageReference Include="Newtonsoft.Json" />
-    <PackageReference Include="System.Net.Http" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net462'">
diff --git a/test/Libraries/Microsoft.Extensions.Http.Resilience.Tests/Microsoft.Extensions.Http.Resilience.Tests.csproj b/test/Libraries/Microsoft.Extensions.Http.Resilience.Tests/Microsoft.Extensions.Http.Resilience.Tests.csproj
index 44aba460abd..266794186c7 100644
--- a/test/Libraries/Microsoft.Extensions.Http.Resilience.Tests/Microsoft.Extensions.Http.Resilience.Tests.csproj
+++ b/test/Libraries/Microsoft.Extensions.Http.Resilience.Tests/Microsoft.Extensions.Http.Resilience.Tests.csproj
@@ -29,14 +29,8 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" />
     <PackageReference Include="Polly.Testing" />
-    <PackageReference Include="System.Net.Http" Condition="'$(TargetFramework)' == 'net462'" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))" />
     <PackageReference Include="System.ValueTuple" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
-
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'net462'">
-    <Reference Include="System.Net.Http" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' != 'net462'">
diff --git a/test/Libraries/Microsoft.Extensions.Resilience.Tests/Microsoft.Extensions.Resilience.Tests.csproj b/test/Libraries/Microsoft.Extensions.Resilience.Tests/Microsoft.Extensions.Resilience.Tests.csproj
index 67c25dd1e90..163b01082d1 100644
--- a/test/Libraries/Microsoft.Extensions.Resilience.Tests/Microsoft.Extensions.Resilience.Tests.csproj
+++ b/test/Libraries/Microsoft.Extensions.Resilience.Tests/Microsoft.Extensions.Resilience.Tests.csproj
@@ -20,7 +20,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.TimeProvider.Testing\Microsoft.Extensions.TimeProvider.Testing.csproj" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Resilience\Microsoft.Extensions.Resilience.csproj" ProjectUnderTest="true" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Diagnostics.Testing\Microsoft.Extensions.Diagnostics.Testing.csproj" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Diagnostics.ExceptionSummarization\Microsoft.Extensions.Diagnostics.ExceptionSummarization.csproj" />
@@ -28,7 +27,6 @@
 
   <ItemGroup>
     <PackageReference Include="System.ValueTuple" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
-    <PackageReference Include="System.Net.Http" Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))" />
     <PackageReference Include="Microsoft.Extensions.Configuration" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" />
diff --git a/test/Libraries/Microsoft.Extensions.Telemetry.Tests/Microsoft.Extensions.Telemetry.Tests.csproj b/test/Libraries/Microsoft.Extensions.Telemetry.Tests/Microsoft.Extensions.Telemetry.Tests.csproj
index d5e19975a0e..7273b05c6c7 100644
--- a/test/Libraries/Microsoft.Extensions.Telemetry.Tests/Microsoft.Extensions.Telemetry.Tests.csproj
+++ b/test/Libraries/Microsoft.Extensions.Telemetry.Tests/Microsoft.Extensions.Telemetry.Tests.csproj
@@ -17,7 +17,6 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Telemetry\Microsoft.Extensions.Telemetry.csproj" ProjectUnderTest="true" />
-    <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.TimeProvider.Testing\Microsoft.Extensions.TimeProvider.Testing.csproj" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Compliance.Testing\Microsoft.Extensions.Compliance.Testing.csproj" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Hosting.Testing\Microsoft.Extensions.Hosting.Testing.csproj" />
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.Diagnostics.Testing\Microsoft.Extensions.Diagnostics.Testing.csproj" />
@@ -31,6 +30,5 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" />
     <PackageReference Include="Microsoft.Extensions.Configuration" />
     <PackageReference Include="Newtonsoft.Json" />
-    <PackageReference Include="System.Net.Http" Condition="'$(TargetFramework)' == 'net462'" />
   </ItemGroup>
 </Project>
diff --git a/test/Libraries/Microsoft.Extensions.TimeProvider.Testing.Tests/Microsoft.Extensions.TimeProvider.Testing.Tests.csproj b/test/Libraries/Microsoft.Extensions.TimeProvider.Testing.Tests/Microsoft.Extensions.TimeProvider.Testing.Tests.csproj
index dc4a5be194b..d0884c2ac5c 100644
--- a/test/Libraries/Microsoft.Extensions.TimeProvider.Testing.Tests/Microsoft.Extensions.TimeProvider.Testing.Tests.csproj
+++ b/test/Libraries/Microsoft.Extensions.TimeProvider.Testing.Tests/Microsoft.Extensions.TimeProvider.Testing.Tests.csproj
@@ -7,4 +7,8 @@
   <ItemGroup>
     <ProjectReference Include="..\..\..\src\Libraries\Microsoft.Extensions.TimeProvider.Testing\Microsoft.Extensions.TimeProvider.Testing.csproj"/>
   </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Bcl.TimeProvider" />
+  </ItemGroup>
 </Project>
diff --git a/test/Shared/Shared.Tests.csproj b/test/Shared/Shared.Tests.csproj
index 3d423d264f9..d7bfa1801e2 100644
--- a/test/Shared/Shared.Tests.csproj
+++ b/test/Shared/Shared.Tests.csproj
@@ -12,7 +12,6 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\src\Shared\Shared.csproj" ProjectUnderTest="true" />
-    <ProjectReference Include="..\..\src\Libraries\Microsoft.Extensions.TimeProvider.Testing\Microsoft.Extensions.TimeProvider.Testing.csproj" />
   </ItemGroup>
 
   <ItemGroup>