diff --git a/src/Runner.Worker/Dap/IDapDebugger.cs b/src/Runner.Worker/Dap/IDapDebugger.cs
index 52de741c2..d895850da 100644
--- a/src/Runner.Worker/Dap/IDapDebugger.cs
+++ b/src/Runner.Worker/Dap/IDapDebugger.cs
@@ -17,11 +17,8 @@ namespace GitHub.Runner.Worker.Dap
     [ServiceLocator(Default = typeof(DapDebugger))]
     public interface IDapDebugger : IRunnerService
     {
-        bool IsActive { get; }
         Task StartAsync(CancellationToken cancellationToken);
         Task WaitUntilReadyAsync(CancellationToken cancellationToken);
-        Task StopAsync();
-        void CancelSession();
         Task OnStepStartingAsync(IStep step, IExecutionContext jobContext, CancellationToken cancellationToken);
         void OnStepCompleted(IStep step);
         Task OnJobCompletedAsync();
diff --git a/src/Test/L0/Worker/JobExtensionL0.cs b/src/Test/L0/Worker/JobExtensionL0.cs
index 34413552c..40c495a81 100644
--- a/src/Test/L0/Worker/JobExtensionL0.cs
+++ b/src/Test/L0/Worker/JobExtensionL0.cs
@@ -550,7 +550,6 @@ namespace GitHub.Runner.Common.Tests.Worker
                 _stepsRunner.Initialize(hc);
 
                 var mockDapDebugger = new Mock<IDapDebugger>();
-                mockDapDebugger.Setup(x => x.IsActive).Returns(false);
                 hc.SetSingleton(mockDapDebugger.Object);
 
                 await _stepsRunner.RunAsync(_jobEc);
diff --git a/src/Test/L0/Worker/StepsRunnerL0.cs b/src/Test/L0/Worker/StepsRunnerL0.cs
index e9e99d82c..2ab9f57fd 100644
--- a/src/Test/L0/Worker/StepsRunnerL0.cs
+++ b/src/Test/L0/Worker/StepsRunnerL0.cs
@@ -64,7 +64,6 @@ namespace GitHub.Runner.Common.Tests.Worker
             _stepsRunner.Initialize(hc);
 
             var mockDapDebugger = new Mock<IDapDebugger>();
-            mockDapDebugger.Setup(x => x.IsActive).Returns(false);
             hc.SetSingleton(mockDapDebugger.Object);
 
             return hc;