diff --git a/src/libraries/tests.proj b/src/libraries/tests.proj
index 7ef3d7b0235eb..a550e9cf9cc82 100644
--- a/src/libraries/tests.proj
+++ b/src/libraries/tests.proj
@@ -266,6 +266,7 @@
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Formats.Cbor\tests\System.Formats.Cbor.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.IO.MemoryMappedFiles\tests\System.IO.MemoryMappedFiles.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Runtime.Numerics\tests\System.Runtime.Numerics.Tests.csproj" />
+    <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.IO.Hashing\tests\System.IO.Hashing.Tests.csproj" />
 
     <!--
       Test apps that are too large and take too long to build
@@ -640,6 +641,7 @@
     <!-- These crash on tvOS, but do not on iOS. Run these only on the rolling builds -->
     <ProjectReference Include="$(MSBuildThisFileDirectory)System.IO.MemoryMappedFiles\tests\System.IO.MemoryMappedFiles.Tests.csproj" />
     <ProjectReference Include="$(MSBuildThisFileDirectory)System.Runtime.Numerics\tests\System.Runtime.Numerics.Tests.csproj" />
+    <ProjectReference Include="$(MSBuildThisFileDirectory)System.IO.Hashing\tests\System.IO.Hashing.Tests.csproj" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(ArchiveTests)' == 'true' and '$(RunSmokeTestsOnly)' != 'true' and '$(RunGrpcTestsOnly)' != 'true' and '$(TargetOS)' == 'iossimulator'">