diff --git a/build/Directory.Build.Performance.props b/build/Directory.Build.Performance.props
new file mode 100644
index 000000000..de151f2ef
--- /dev/null
+++ b/build/Directory.Build.Performance.props
@@ -0,0 +1,29 @@
+<Project>
+
+  <!--
+    Additional global options for all projects targeting Windows in their TFMs.
+    We actually set these in a .props file and without checking the framework, as:
+      - Setting these properties in non-Windows projects will just not do anything.
+      - Setting these from the shared .targets causes them to be imported too late.
+        They'd need to be added to "CustomBeforeMicrosoftCommonTargets" file, but the
+        complexity of having to set that up and validate it is just not worth it, as
+        we can just unconditionally set these and worst case, they'll be no-ops.
+  -->
+  <PropertyGroup>
+
+    <!--
+      Enable the CsWinRT trim/AOT analyzer for scenarios involving all types (including built-in types).
+      The .NET SDK sets this to '1' (which excludes built-in types) by default to reduce false positives.
+    -->
+    <CsWinRTAotWarningLevel>2</CsWinRTAotWarningLevel>
+
+    <!--
+      We're only referencing CsWinRT for the source generators, we don't need to read any WinRT metadata.
+      CsWinRT is in projection mode by default, so we want to disable it (or it'd need the Windows SDK).
+    -->
+    <CsWinRTGenerateProjection>false</CsWinRTGenerateProjection>
+
+    <!-- We'll never have any IIDs to patch in any projects in the solution -->
+    <CsWinRTIIDOptimizerOptOut>true</CsWinRTIIDOptimizerOptOut>
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/build/Directory.Build.Performance.targets b/build/Directory.Build.Performance.targets
new file mode 100644
index 000000000..f8e77fab3
--- /dev/null
+++ b/build/Directory.Build.Performance.targets
@@ -0,0 +1,46 @@
+<Project>
+
+  <!-- Properties exclusive to all .NET 8 projects (not just published projects) -->
+  <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
+
+    <!-- Emit the [DisableRuntimeMarshalling] attribute (also enables the associated analyzer) -->
+    <DisableRuntimeMarshalling>true</DisableRuntimeMarshalling>
+  </PropertyGroup>
+
+  <!--
+    The following target has been ported from TerraFX.Interop.Windows.
+    See: https://github.com/terrafx/terrafx.interop.windows.
+    This generates the [module: SkipLocalsInit] attribute for all projects.
+  -->
+  <PropertyGroup>
+    <GeneratedSkipLocalsInitFile Condition="'$(GeneratedSkipLocalsInitFile)' == ''">$(IntermediateOutputPath)$(MSBuildProjectName).SkipLocalsInit.g.cs</GeneratedSkipLocalsInitFile>
+    <GeneratedSkipLocalsInitFileLines>
+      <![CDATA[//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+[module: System.Runtime.CompilerServices.SkipLocalsInitAttribute]]]>
+    </GeneratedSkipLocalsInitFileLines>
+  </PropertyGroup>
+
+  <Target Name="GenerateSkipLocalsInit"
+          BeforeTargets="BeforeCompile;CoreCompile"
+          DependsOnTargets="PrepareForBuild"
+          Condition="'$(Language)' == 'C#'"
+          Inputs="$(MSBuildAllProjects)"
+          Outputs="$(GeneratedSkipLocalsInitFile)">
+
+    <!-- Write the file with the attribute -->
+    <WriteLinesToFile Lines="$(GeneratedSkipLocalsInitFileLines)" Overwrite="true" WriteOnlyWhenDifferent="true" File="$(GeneratedSkipLocalsInitFile)" />
+
+    <!-- Include the generated file in the list of files to compile -->
+    <ItemGroup>
+      <Compile Include="$(GeneratedSkipLocalsInitFile)" />
+    </ItemGroup>
+  </Target>
+</Project>
\ No newline at end of file
diff --git a/build/Directory.Build.props b/build/Directory.Build.props
index be173fee1..c73bfc0cd 100644
--- a/build/Directory.Build.props
+++ b/build/Directory.Build.props
@@ -170,4 +170,6 @@
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)..\build\computesharp.snk</AssemblyOriginatorKeyFile>
     <AssemblySignPublicKey>00240000048000009400000006020000002400005253413100040000010001001DA244ACFEE0D02ADF2D7F464B5E2562BB1AEF50B32DCD8B2DADEC659A5ED8B6C5817B03EB5E723067718A7972C936F626879DCE8E85636E7812B92CAB100D4947E3E6655AD49359E279A09F34B65E5ECA5FD5D8941C70BD48E56D8739A3BFF4F1C85071B7494D0B3A692F16CA6CC40585BCA8AD5B24BB2E7B834F15B6E667BB</AssemblySignPublicKey>
   </PropertyGroup>
+
+  <Import Project="Directory.Build.Performance.props" />
 </Project>
\ No newline at end of file
diff --git a/build/Directory.Build.targets b/build/Directory.Build.targets
index ada30a7a8..bd641cc17 100644
--- a/build/Directory.Build.targets
+++ b/build/Directory.Build.targets
@@ -9,28 +9,6 @@
     MSBuildAllProjects, as that is done by the file that imports us.
   -->
 
-  <!--
-    Additional global options for all projects targeting Windows in their TFMs.
-    These must be in a .targets file because they need to read 'TargetFramework'.
-  -->
-  <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0-windows'))">
-
-    <!--
-      Enable the CsWinRT trim/AOT analyzer for scenarios involving all types (including built-in types).
-      The .NET SDK sets this to '1' (which excludes built-in types) by default to reduce false positives.
-    -->
-    <CsWinRTAotWarningLevel>2</CsWinRTAotWarningLevel>
-
-    <!--
-      We're only referencing CsWinRT for the source generators, we don't need to read any WinRT metadata.
-      CsWinRT is in projection mode by default, so we want to disable it (or it'd need the Windows SDK).
-    -->
-    <CsWinRTGenerateProjection>false</CsWinRTGenerateProjection>
-
-    <!-- We'll never have any IIDs to patch in this library -->
-    <CsWinRTIIDOptimizerOptOut>true</CsWinRTIIDOptimizerOptOut>
-  </PropertyGroup>
-
   <!--
     Manually set the version if null. This is copied from Microsoft.NET.DefaultAssemblyInfo.targets and is needed
     for cases where that target is not being automatically imported (which happens because MSBuild is used instead
@@ -65,4 +43,6 @@
       <AutoGen>True</AutoGen>
     </Compile>
   </ItemGroup>
+
+  <Import Project="Directory.Build.Performance.targets" />
 </Project>
\ No newline at end of file
diff --git a/src/Directory.Build.targets b/src/Directory.Build.targets
index 8ccc20f75..735e70317 100644
--- a/src/Directory.Build.targets
+++ b/src/Directory.Build.targets
@@ -51,9 +51,6 @@
       the analyzers will not run, so warnings will be skipped.
     -->
     <IsAotCompatible>true</IsAotCompatible>
-
-    <!-- Emit the [DisableRuntimeMarshalling] attribute (also enables the associated analyzer) -->
-    <DisableRuntimeMarshalling>true</DisableRuntimeMarshalling>
   </PropertyGroup>
 
   <!--
@@ -78,41 +75,4 @@
       <_Parameter1>false</_Parameter1>
     </AssemblyAttribute>
   </ItemGroup>
-
-  <!--
-    The following target has been ported from TerraFX.Interop.Windows.
-    See: https://github.com/terrafx/terrafx.interop.windows.
-    This generates the [module: SkipLocalsInit] attribute for all projects.
-  -->
-  <PropertyGroup>
-    <GeneratedSkipLocalsInitFile Condition="'$(GeneratedSkipLocalsInitFile)' == ''">$(IntermediateOutputPath)$(MSBuildProjectName).SkipLocalsInit.g.cs</GeneratedSkipLocalsInitFile>
-    <GeneratedSkipLocalsInitFileLines>
-      <![CDATA[//------------------------------------------------------------------------------
-// <auto-generated>
-//     This code was generated by a tool.
-//
-//     Changes to this file may cause incorrect behavior and will be lost if
-//     the code is regenerated.
-// </auto-generated>
-//------------------------------------------------------------------------------
-
-[module: System.Runtime.CompilerServices.SkipLocalsInitAttribute]]]>
-    </GeneratedSkipLocalsInitFileLines>
-  </PropertyGroup>
-
-  <Target Name="GenerateSkipLocalsInit"
-          BeforeTargets="BeforeCompile;CoreCompile"
-          DependsOnTargets="PrepareForBuild"
-          Condition="'$(Language)' == 'C#'"
-          Inputs="$(MSBuildAllProjects)"
-          Outputs="$(GeneratedSkipLocalsInitFile)">
-
-    <!-- Write the file with the attribute -->
-    <WriteLinesToFile Lines="$(GeneratedSkipLocalsInitFileLines)" Overwrite="true" WriteOnlyWhenDifferent="true" File="$(GeneratedSkipLocalsInitFile)" />
-
-    <!-- Include the generated file in the list of files to compile -->
-    <ItemGroup>
-      <Compile Include="$(GeneratedSkipLocalsInitFile)" />
-    </ItemGroup>
-  </Target>
 </Project>
\ No newline at end of file