diff --git a/src/libraries/tests.proj b/src/libraries/tests.proj
index fbd5181e915611..d361d828c65c80 100644
--- a/src/libraries/tests.proj
+++ b/src/libraries/tests.proj
@@ -42,6 +42,7 @@
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Memory\tests\System.Memory.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Net.Http\tests\FunctionalTests\System.Net.Http.Functional.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Net.Primitives\tests\FunctionalTests\System.Net.Primitives.Functional.Tests.csproj" />
+    <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Net.Primitives\tests\PalTests\System.Net.Primitives.Pal.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Net.Security\tests\FunctionalTests\System.Net.Security.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Net.Sockets\tests\FunctionalTests\System.Net.Sockets.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Net.WebSockets.Client\tests\System.Net.WebSockets.Client.Tests.csproj" />