diff --git a/src/libraries/tests.proj b/src/libraries/tests.proj
index ec074e10721d43..ce8af15ee9e10b 100644
--- a/src/libraries/tests.proj
+++ b/src/libraries/tests.proj
@@ -71,8 +71,6 @@
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Runtime.Serialization.Json\tests\ReflectionOnly\System.Runtime.Serialization.Json.ReflectionOnly.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Runtime.Serialization.Json\tests\System.Runtime.Serialization.Json.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Runtime.Serialization.Primitives\tests\System.Runtime.Serialization.Primitives.Tests.csproj" />
-    <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Runtime.Serialization.Xml\tests\ReflectionOnly\System.Runtime.Serialization.Xml.ReflectionOnly.Tests.csproj" />
-    <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Runtime.Serialization.Xml\tests\System.Runtime.Serialization.Xml.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Runtime\tests\System.Runtime.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Security.Permissions\tests\System.Security.Permissions.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Text.RegularExpressions\tests\System.Text.RegularExpressions.Tests.csproj" />