diff --git a/src/NUnitFramework/framework/Internal/Commands/TimeoutCommand.cs b/src/NUnitFramework/framework/Internal/Commands/TimeoutCommand.cs
index 94008784fa..15905f50ec 100644
--- a/src/NUnitFramework/framework/Internal/Commands/TimeoutCommand.cs
+++ b/src/NUnitFramework/framework/Internal/Commands/TimeoutCommand.cs
@@ -94,23 +94,21 @@ public override TestResult Execute(TestExecutionContext context)
         {
             try
             {
-                var separateContext = new TestExecutionContext(context)
+                using (new TestExecutionContext.IsolatedContext())
                 {
-                    CurrentResult = context.CurrentTest.MakeTestResult()
-                };
-                var testExecution = Task.Run(() => innerCommand.Execute(separateContext));
-                var timedOut = Task.WaitAny(new Task[] { testExecution }, _timeout) == -1;
+                    var testExecution = Task.Run(() => innerCommand.Execute(TestExecutionContext.CurrentContext));
+                    var timedOut = Task.WaitAny(new Task[] { testExecution }, _timeout) == -1;
 
-                if (timedOut && !_debugger.IsAttached)
-                {
-                    context.CurrentResult.SetResult(
-                        ResultState.Failure,
-                        $"Test exceeded Timeout value of {_timeout}ms");
-                }
-                else
-                {
-                    context.CurrentResult.CopyOutputTo(separateContext.CurrentResult);
-                    context.CurrentResult = testExecution.GetAwaiter().GetResult();
+                    if (timedOut && !_debugger.IsAttached)
+                    {
+                        context.CurrentResult.SetResult(
+                            ResultState.Failure,
+                            $"Test exceeded Timeout value of {_timeout}ms");
+                    }
+                    else
+                    {
+                        context.CurrentResult = testExecution.GetAwaiter().GetResult();
+                    }
                 }
             }
             catch (Exception exception)
diff --git a/src/NUnitFramework/framework/Internal/Results/TestResult.cs b/src/NUnitFramework/framework/Internal/Results/TestResult.cs
index 1d11d8ea52..51ff9c08ec 100644
--- a/src/NUnitFramework/framework/Internal/Results/TestResult.cs
+++ b/src/NUnitFramework/framework/Internal/Results/TestResult.cs
@@ -152,16 +152,6 @@ internal void AddTestAttachment(TestAttachment attachment)
             _testAttachments.Add(attachment);
         }
 
-        /// <summary>
-        /// Apply the output from the provided TestResult to this one
-        /// </summary>
-        /// <param name="result">The TestResult to apply output from</param>
-        internal void CopyOutputTo(TestResult result)
-        {
-            OutWriter.Flush();
-            result.OutWriter.Write(Output);
-        }
-
         /// <summary>
         /// Gets the collection of files attached to the test
         /// </summary>
diff --git a/src/NUnitFramework/tests/Attributes/TimeoutTests.cs b/src/NUnitFramework/tests/Attributes/TimeoutTests.cs
index 7804a78166..3e9d63e67c 100644
--- a/src/NUnitFramework/tests/Attributes/TimeoutTests.cs
+++ b/src/NUnitFramework/tests/Attributes/TimeoutTests.cs
@@ -4,6 +4,7 @@
 using System.Globalization;
 using System.Linq;
 using System.Threading;
+using System.Threading.Tasks;
 using NUnit.Framework.Interfaces;
 using NUnit.Framework.Internal;
 using NUnit.Framework.Internal.Abstractions;
@@ -338,5 +339,44 @@ private class StubDebugger : IDebugger
         {
             public bool IsAttached { get; set; }
         }
+
+        [TestFixture]
+        internal sealed class Issue4723
+        {
+            [Test]
+#if NETFRAMEWORK
+            [Timeout(2_000)] // Ok status will be Passed
+#else
+#pragma warning disable CS0618
+            [Timeout(2_000)] // Ok status will be Passed
+#pragma warning restore CS0618
+#endif
+            public async Task Test_Timeout()
+            {
+                await Task.Delay(1_000);
+                Assert.Pass();
+            }
+
+            [Test]
+            [CancelAfter(2_000)] // Ok status will be Passed
+            public async Task Test_CancelAfter(CancellationToken ct)
+            {
+                await Task.Delay(1_000, ct);
+                Assert.Pass();
+            }
+
+            [Test] // Ok status will be Passed
+            public async Task Test()
+            {
+                await Task.Delay(1_000);
+                Assert.Pass();
+            }
+
+            [TearDown]
+            public void Cleanup()
+            {
+                Assert.That(TestContext.CurrentContext.Result.Outcome.Status, Is.EqualTo(TestStatus.Passed));
+            }
+        }
     }
 }