diff --git a/tests/BenchmarkDotNet.Tests/Validators/ExecutionValidatorTests.cs b/tests/BenchmarkDotNet.Tests/Validators/ExecutionValidatorTests.cs
index 88267a5181..6e5a9ddc46 100644
--- a/tests/BenchmarkDotNet.Tests/Validators/ExecutionValidatorTests.cs
+++ b/tests/BenchmarkDotNet.Tests/Validators/ExecutionValidatorTests.cs
@@ -10,7 +10,8 @@
 
 namespace BenchmarkDotNet.Tests.Validators
 {
-    [Collection("Disable parallelism due to a bug: https://github.com/xunit/xunit/issues/2587")]
+    // xUnit bug: https://github.com/xunit/xunit/issues/2587"
+    [Collection("Disable parallelism")]
     public class ExecutionValidatorTests
     {
         [Fact]
diff --git a/tests/BenchmarkDotNet.Tests/Validators/ReturnValueValidatorTests.cs b/tests/BenchmarkDotNet.Tests/Validators/ReturnValueValidatorTests.cs
index 2a08587834..cbc345dd04 100644
--- a/tests/BenchmarkDotNet.Tests/Validators/ReturnValueValidatorTests.cs
+++ b/tests/BenchmarkDotNet.Tests/Validators/ReturnValueValidatorTests.cs
@@ -11,7 +11,8 @@
 
 namespace BenchmarkDotNet.Tests.Validators
 {
-    [Collection("Disable parallelism due to a bug: https://github.com/xunit/xunit/issues/2587")]
+    // xUnit bug: https://github.com/xunit/xunit/issues/2587"
+    [Collection("Disable parallelism")]
     public class ReturnValueValidatorTests
     {
         private const string ErrorMessagePrefix = "Inconsistent benchmark return values";