diff --git a/src/Akka.Hosting.TestKit/Internals/XUnitLogger.cs b/src/Akka.Hosting.TestKit/Internals/XUnitLogger.cs
index 476511e5..1cbe5f3b 100644
--- a/src/Akka.Hosting.TestKit/Internals/XUnitLogger.cs
+++ b/src/Akka.Hosting.TestKit/Internals/XUnitLogger.cs
@@ -73,7 +73,7 @@ public bool IsEnabled(LogLevel logLevel)
             };
         }
 
-        public IDisposable BeginScope<TState>(TState state) where TState : notnull
+        public IDisposable BeginScope<TState>(TState state) 
         {
             return NullScope.Instance;
         }