diff --git a/eng/pipelines/runtime-official.yml b/eng/pipelines/runtime-official.yml
index 092ffd8d92128..323f7784fed55 100644
--- a/eng/pipelines/runtime-official.yml
+++ b/eng/pipelines/runtime-official.yml
@@ -51,7 +51,7 @@ extends:
       - ${{ if eq(variables['Build.SourceBranch'], 'refs/heads/main') }}:
         - template: /eng/common/templates/job/source-index-stage1.yml
           parameters:
-            sourceIndexBuildCommand: build.cmd -subset libs.native+libs.sfx+libs.oob -binarylog -os linux -ci
+            sourceIndexBuildCommand: build.cmd -subset libs.sfx+libs.oob -binarylog -os linux -ci /p:SkipLibrariesNativeRuntimePackages=true
 
       #
       # Build CoreCLR
diff --git a/src/libraries/oob-all.proj b/src/libraries/oob-all.proj
index 1754c8b3d8a70..8233bcac0bd86 100644
--- a/src/libraries/oob-all.proj
+++ b/src/libraries/oob-all.proj
@@ -13,6 +13,14 @@
                                $(MSBuildThisFileDirectory)*\src\**\*.shproj;
                                shims\src\*.csproj" />
 
+    <!-- During an official build, build the identity package only in the allconfigurations build, otherwise always. -->
+    <ProjectReference Include="$(MSBuildThisFileDirectory)*\pkg\runtime.native.*.proj"
+                      Condition="'$(SkipLibrariesNativeRuntimePackages)' != 'true' and
+                                 (
+                                  '$(BuildingAnOfficialBuildLeg)' != 'true' or
+                                  '$(BuildAllConfigurations)' == 'true'
+                                 )" />
+
     <!-- Build these packages in the allconfigurations leg only. -->
     <ProjectReference Remove="Microsoft.Internal.Runtime.AspNetCore.Transport\src\Microsoft.Internal.Runtime.AspNetCore.Transport.proj;
                               Microsoft.Internal.Runtime.WindowsDesktop.Transport\src\Microsoft.Internal.Runtime.WindowsDesktop.Transport.proj"
@@ -21,10 +29,6 @@
     <!-- Skip these projects during source-build as they rely on external prebuilts. -->
     <ProjectReference Remove="Microsoft.Extensions.DependencyInjection.Specification.Tests\src\Microsoft.Extensions.DependencyInjection.Specification.Tests.csproj"
                       Condition="'$(DotNetBuildFromSource)' == 'true'" />
-
-    <!-- During an official build, build the identity package only in the allconfigurations build, otherwise always. -->
-    <ProjectReference Include="$(MSBuildThisFileDirectory)*\pkg\runtime.native.*.proj"
-                      Condition="'$(BuildingAnOfficialBuildLeg)' != 'true' or '$(BuildAllConfigurations)' == 'true'" />
   </ItemGroup>
 
 </Project>
diff --git a/src/libraries/oob-src.proj b/src/libraries/oob-src.proj
index 498a88d5a563f..a285e8a83cf24 100644
--- a/src/libraries/oob-src.proj
+++ b/src/libraries/oob-src.proj
@@ -17,8 +17,15 @@
 
     <!-- During an official Build, build the rid specific package matching the OutputRID only outside of an allconfigurations build and only when targeting the CoreCLR runtime.
          The limitation on the CoreCLR runtime is entirely artificial but avoids duplicate assets being publish. -->
-    <ProjectReference Include="$(MSBuildThisFileDirectory)*\pkg\runtime.$(OutputRID).*.proj" Condition="'$(BuildingAnOfficialBuildLeg)' != 'true' or
-                                                                                                        ('$(BuildAllConfigurations)' != 'true' and '$(RuntimeFlavor)' == '$(PrimaryRuntimeFlavor)')" />
+    <ProjectReference Include="$(MSBuildThisFileDirectory)*\pkg\runtime.$(OutputRID).*.proj"
+                      Condition="'$(SkipLibrariesNativeRuntimePackages)' != 'true' and
+                                 (
+                                  '$(BuildingAnOfficialBuildLeg)' != 'true' or
+                                  (
+                                   '$(BuildAllConfigurations)' != 'true' and
+                                   '$(RuntimeFlavor)' == '$(PrimaryRuntimeFlavor)'
+                                  )
+                                 )" />
 
     <!-- Don't build task and tools project in the NetCoreAppCurrent vertical. -->
     <ProjectReference Remove="Microsoft.XmlSerializer.Generator\src\Microsoft.XmlSerializer.Generator.csproj" />