diff --git a/src/libraries/System.Net.Http/tests/UnitTests/DigestAuthenticationTests.cs b/src/libraries/System.Net.Http/tests/UnitTests/DigestAuthenticationTests.cs
index a4f39be36cc57d..036aa2bba8aaf3 100644
--- a/src/libraries/System.Net.Http/tests/UnitTests/DigestAuthenticationTests.cs
+++ b/src/libraries/System.Net.Http/tests/UnitTests/DigestAuthenticationTests.cs
@@ -8,6 +8,7 @@
 
 namespace System.Net.Http.Tests
 {
+    [SkipOnMono("System.Security.Cryptography is not supported on Browser, see https://github.com/dotnet/runtime/pull/38379", TestPlatforms.Browser)]
     public class DigestAuthenticationTests
     {
         private static readonly List<string> s_keyListWithCountTwo = new List<string> { "key1", "key2" };
diff --git a/src/libraries/tests.proj b/src/libraries/tests.proj
index 189222db86bd44..3eadd269caeba6 100644
--- a/src/libraries/tests.proj
+++ b/src/libraries/tests.proj
@@ -41,7 +41,6 @@
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Linq.Expressions\tests\System.Linq.Expressions.Tests.csproj" />
     <ProjectExclusions Include="$(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.Http\tests\UnitTests\System.Net.Http.Unit.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Net.Primitives\tests\FunctionalTests\System.Net.Primitives.Functional.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Net.Security\tests\FunctionalTests\System.Net.Security.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Net.Sockets\tests\FunctionalTests\System.Net.Sockets.Tests.csproj" />