diff --git a/src/core/Akka.Docs.Tutorials/Tutorial4/DeviceGroupSpec.cs b/src/core/Akka.Docs.Tutorials/Tutorial4/DeviceGroupSpec.cs
index 3f363f07ea4..7ed6357e2ff 100644
--- a/src/core/Akka.Docs.Tutorials/Tutorial4/DeviceGroupSpec.cs
+++ b/src/core/Akka.Docs.Tutorials/Tutorial4/DeviceGroupSpec.cs
@@ -18,104 +18,6 @@ public static partial class MainDeviceGroup
     {
         public class DeviceGroupSpec : TestKit
         {
-            [Fact]
-            public void DeviceGroup_actor_must_be_able_to_register_a_device_actor()
-            {
-                var probe = CreateTestProbe();
-                var groupActor = Sys.ActorOf(DeviceGroup.Props("group"));
-
-                groupActor.Tell(new RequestTrackDevice("group", "device1"), probe.Ref);
-                probe.ExpectMsg<DeviceRegistered>();
-                var deviceActor1 = probe.LastSender;
-
-                groupActor.Tell(new RequestTrackDevice("group", "device2"), probe.Ref);
-                probe.ExpectMsg<DeviceRegistered>();
-                var deviceActor2 = probe.LastSender;
-                deviceActor1.Should().NotBe(deviceActor2);
-
-                // Check that the device actors are working
-                deviceActor1.Tell(new RecordTemperature(requestId: 0, value: 1.0), probe.Ref);
-                probe.ExpectMsg<TemperatureRecorded>(s => s.RequestId == 0);
-                deviceActor2.Tell(new RecordTemperature(requestId: 1, value: 2.0), probe.Ref);
-                probe.ExpectMsg<TemperatureRecorded>(s => s.RequestId == 1);
-            }
-
-            [Fact]
-            public void DeviceGroup_actor_must_ignore_requests_for_wrong_groupId()
-            {
-                var probe = CreateTestProbe();
-                var groupActor = Sys.ActorOf(DeviceGroup.Props("group"));
-
-                groupActor.Tell(new RequestTrackDevice("wrongGroup", "device1"), probe.Ref);
-                probe.ExpectNoMsg(TimeSpan.FromMilliseconds(500));
-            }
-
-            [Fact]
-            public void DeviceGroup_actor_must_return_same_actor_for_same_deviceId()
-            {
-                var probe = CreateTestProbe();
-                var groupActor = Sys.ActorOf(DeviceGroup.Props("group"));
-
-                groupActor.Tell(new RequestTrackDevice("group", "device1"), probe.Ref);
-                probe.ExpectMsg<DeviceRegistered>();
-                var deviceActor1 = probe.LastSender;
-
-                groupActor.Tell(new RequestTrackDevice("group", "device1"), probe.Ref);
-                probe.ExpectMsg<DeviceRegistered>();
-                var deviceActor2 = probe.LastSender;
-
-                deviceActor1.Should().Be(deviceActor2);
-            }
-
-            [Fact]
-            public void DeviceGroup_actor_must_be_able_to_list_active_devices()
-            {
-                var probe = CreateTestProbe();
-                var groupActor = Sys.ActorOf(DeviceGroup.Props("group"));
-
-                groupActor.Tell(new RequestTrackDevice("group", "device1"), probe.Ref);
-                probe.ExpectMsg<DeviceRegistered>();
-
-                groupActor.Tell(new RequestTrackDevice("group", "device2"), probe.Ref);
-                probe.ExpectMsg<DeviceRegistered>();
-
-                groupActor.Tell(new RequestDeviceList(requestId: 0), probe.Ref);
-                probe.ExpectMsg<ReplyDeviceList>(s => s.RequestId == 0 
-                    && s.Ids.Contains("device1")
-                    && s.Ids.Contains("device2"));
-            }
-
-            [Fact]
-            public void DeviceGroup_actor_must_be_able_to_list_active_devices_after_one_shuts_down()
-            {
-                var probe = CreateTestProbe();
-                var groupActor = Sys.ActorOf(DeviceGroup.Props("group"));
-
-                groupActor.Tell(new RequestTrackDevice("group", "device1"), probe.Ref);
-                probe.ExpectMsg<DeviceRegistered>();
-                var toShutDown = probe.LastSender;
-
-                groupActor.Tell(new RequestTrackDevice("group", "device2"), probe.Ref);
-                probe.ExpectMsg<DeviceRegistered>();
-
-                groupActor.Tell(new RequestDeviceList(requestId: 0), probe.Ref);
-                probe.ExpectMsg<ReplyDeviceList>(s => s.RequestId == 0
-                                                      && s.Ids.Contains("device1")
-                                                      && s.Ids.Contains("device2"));
-
-                probe.Watch(toShutDown);
-                toShutDown.Tell(PoisonPill.Instance);
-                probe.ExpectTerminated(toShutDown);
-
-                // using awaitAssert to retry because it might take longer for the groupActor
-                // to see the Terminated, that order is undefined
-                probe.AwaitAssert(() =>
-                {
-                    groupActor.Tell(new RequestDeviceList(requestId: 1), probe.Ref);
-                    probe.ExpectMsg<ReplyDeviceList>(s => s.RequestId == 1 && s.Ids.Contains("device2"));
-                });
-            }
-
             #region group-query-integration-test
             [Fact]
             public void DeviceGroup_actor_must_be_able_to_collect_temperatures_from_all_active_devices()