diff --git a/Content.Client/Construction/ConstructionSystem.cs b/Content.Client/Construction/ConstructionSystem.cs
index 6dfb70317ab..b92c75492bf 100644
--- a/Content.Client/Construction/ConstructionSystem.cs
+++ b/Content.Client/Construction/ConstructionSystem.cs
@@ -52,9 +52,6 @@ namespace Content.Client.Construction
         {
             base.Shutdown();
 
-            UnsubscribeLocalEvent<PlayerAttachSysMessage>();
-            UnsubscribeNetworkEvent<AckStructureConstructionMessage>();
-
             CommandBinds.Unregister<ConstructionSystem>();
         }
 
diff --git a/Content.Client/DoAfter/DoAfterSystem.cs b/Content.Client/DoAfter/DoAfterSystem.cs
index 4cb7684163a..ab747fe1ef9 100644
--- a/Content.Client/DoAfter/DoAfterSystem.cs
+++ b/Content.Client/DoAfter/DoAfterSystem.cs
@@ -39,12 +39,6 @@ namespace Content.Client.DoAfter
             SubscribeLocalEvent<PlayerAttachSysMessage>(HandlePlayerAttached);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-            UnsubscribeLocalEvent<PlayerAttachSysMessage>();
-        }
-
         private void HandlePlayerAttached(PlayerAttachSysMessage message)
         {
             _attachedEntity = message.AttachedEntity;
diff --git a/Content.Client/HealthOverlay/HealthOverlaySystem.cs b/Content.Client/HealthOverlay/HealthOverlaySystem.cs
index 5f1c6eec53a..5dd348934f7 100644
--- a/Content.Client/HealthOverlay/HealthOverlaySystem.cs
+++ b/Content.Client/HealthOverlay/HealthOverlaySystem.cs
@@ -47,13 +47,6 @@ namespace Content.Client.HealthOverlay
             SubscribeLocalEvent<PlayerAttachSysMessage>(HandlePlayerAttached);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<PlayerAttachSysMessage>();
-        }
-
         public void Reset()
         {
             foreach (var gui in _guis.Values)
diff --git a/Content.Client/IconSmoothing/IconSmoothSystem.cs b/Content.Client/IconSmoothing/IconSmoothSystem.cs
index dc0ed68ac9c..2ba9f59c710 100644
--- a/Content.Client/IconSmoothing/IconSmoothSystem.cs
+++ b/Content.Client/IconSmoothing/IconSmoothSystem.cs
@@ -29,16 +29,6 @@ namespace Content.Client.IconSmoothing
             SubscribeLocalEvent<IconSmoothComponent, SnapGridPositionChangedEvent>(HandleSnapGridMove);
         }
 
-
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<IconSmoothDirtyEvent>();
-
-            UnsubscribeLocalEvent<IconSmoothComponent, SnapGridPositionChangedEvent>(HandleSnapGridMove);
-        }
-
         public override void FrameUpdate(float frameTime)
         {
             base.FrameUpdate(frameTime);
diff --git a/Content.Client/Pulling/PullingSystem.cs b/Content.Client/Pulling/PullingSystem.cs
index feeb73ad616..04135bb0627 100644
--- a/Content.Client/Pulling/PullingSystem.cs
+++ b/Content.Client/Pulling/PullingSystem.cs
@@ -16,13 +16,5 @@ namespace Content.Client.Pulling
             SubscribeLocalEvent<PullableComponent, PullableMoveMessage>(OnPullableMove);
             SubscribeLocalEvent<PullableComponent, PullableStopMovingMessage>(OnPullableStopMove);
         }
-
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<PullableComponent, PullableMoveMessage>(OnPullableMove);
-            UnsubscribeLocalEvent<PullableComponent, PullableStopMovingMessage>(OnPullableStopMove);
-        }
     }
 }
diff --git a/Content.Client/Verbs/VerbSystem.cs b/Content.Client/Verbs/VerbSystem.cs
index 9873144815d..b1ffda09717 100644
--- a/Content.Client/Verbs/VerbSystem.cs
+++ b/Content.Client/Verbs/VerbSystem.cs
@@ -63,9 +63,6 @@ namespace Content.Client.Verbs
         {
             base.Shutdown();
 
-            UnsubscribeNetworkEvent<VerbSystemMessages.VerbsResponseMessage>();
-            UnsubscribeNetworkEvent<PlayerContainerVisibilityMessage>();
-            UnsubscribeLocalEvent<MoveEvent>();
             _contextMenuPresenter?.Dispose();
 
             CommandBinds.Unregister<VerbSystem>();
diff --git a/Content.Client/Window/WindowSystem.cs b/Content.Client/Window/WindowSystem.cs
index 5b39d486c13..51fef139b59 100644
--- a/Content.Client/Window/WindowSystem.cs
+++ b/Content.Client/Window/WindowSystem.cs
@@ -17,14 +17,6 @@ namespace Content.Client.Window
             SubscribeLocalEvent<WindowComponent, SnapGridPositionChangedEvent>(HandleSnapGridMove);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<WindowSmoothDirtyEvent>();
-            UnsubscribeLocalEvent<WindowComponent, SnapGridPositionChangedEvent>(HandleSnapGridMove);
-        }
-
         private void HandleDirtyEvent(WindowSmoothDirtyEvent ev)
         {
             if (ev.Sender.HasComponent<WindowComponent>())
diff --git a/Content.IntegrationTests/Tests/Networking/SimplePredictReconcileTest.cs b/Content.IntegrationTests/Tests/Networking/SimplePredictReconcileTest.cs
index 20b452d731e..0b30b9601e7 100644
--- a/Content.IntegrationTests/Tests/Networking/SimplePredictReconcileTest.cs
+++ b/Content.IntegrationTests/Tests/Networking/SimplePredictReconcileTest.cs
@@ -455,13 +455,6 @@ namespace Content.IntegrationTests.Tests.Networking
                 SubscribeLocalEvent<SetFooMessage>(HandleMessage);
             }
 
-            public override void Shutdown()
-            {
-                base.Shutdown();
-                UnsubscribeNetworkEvent<SetFooMessage>();
-                UnsubscribeLocalEvent<SetFooMessage>();
-            }
-
             private void HandleMessage(SetFooMessage message, EntitySessionEventArgs args)
             {
                 var entity = EntityManager.GetEntity(message.Uid);
diff --git a/Content.Server/AI/EntitySystems/AiSystem.cs b/Content.Server/AI/EntitySystems/AiSystem.cs
index e6f55087ef4..d6ff8acf9a8 100644
--- a/Content.Server/AI/EntitySystems/AiSystem.cs
+++ b/Content.Server/AI/EntitySystems/AiSystem.cs
@@ -42,13 +42,6 @@ namespace Content.Server.AI.EntitySystems
             SubscribeLocalEvent<MobStateChangedMessage>(MobStateChanged);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-            UnsubscribeLocalEvent<SleepAiMessage>();
-            UnsubscribeLocalEvent<MobStateChangedMessage>();
-        }
-
         /// <inheritdoc />
         public override void Update(float frameTime)
         {
diff --git a/Content.Server/AI/Pathfinding/Accessible/AiReachableSystem.cs b/Content.Server/AI/Pathfinding/Accessible/AiReachableSystem.cs
index 18b3f803c4b..7b39db4ea04 100644
--- a/Content.Server/AI/Pathfinding/Accessible/AiReachableSystem.cs
+++ b/Content.Server/AI/Pathfinding/Accessible/AiReachableSystem.cs
@@ -99,10 +99,6 @@ namespace Content.Server.AI.Pathfinding.Accessible
             _queuedCacheDeletions.Clear();
 
             _mapManager.OnGridRemoved -= GridRemoved;
-
-            UnsubscribeLocalEvent<PathfindingChunkUpdateMessage>();
-            UnsubscribeNetworkEvent<SharedAiDebug.SubscribeReachableMessage>();
-            UnsubscribeNetworkEvent<SharedAiDebug.UnsubscribeReachableMessage>();
         }
 
         private void GridRemoved(MapId mapId, GridId gridId)
diff --git a/Content.Server/AI/Pathfinding/PathfindingSystem.cs b/Content.Server/AI/Pathfinding/PathfindingSystem.cs
index 3d825bb402f..91c189a0690 100644
--- a/Content.Server/AI/Pathfinding/PathfindingSystem.cs
+++ b/Content.Server/AI/Pathfinding/PathfindingSystem.cs
@@ -215,9 +215,6 @@ namespace Content.Server.AI.Pathfinding
         public override void Shutdown()
         {
             base.Shutdown();
-            UnsubscribeLocalEvent<CollisionChangeMessage>();
-            UnsubscribeLocalEvent<MoveEvent>();
-            UnsubscribeLocalEvent<AccessReaderChangeMessage>();
 
             _mapManager.OnGridRemoved -= HandleGridRemoval;
             _mapManager.GridChanged -= QueueGridChange;
diff --git a/Content.Server/Body/Surgery/Components/SurgeryToolSystem.cs b/Content.Server/Body/Surgery/Components/SurgeryToolSystem.cs
index 4620591c758..3a8ef516656 100644
--- a/Content.Server/Body/Surgery/Components/SurgeryToolSystem.cs
+++ b/Content.Server/Body/Surgery/Components/SurgeryToolSystem.cs
@@ -21,14 +21,6 @@ namespace Content.Server.Body.Surgery.Components
             SubscribeLocalEvent<SurgeryWindowCloseMessage>(OnSurgeryWindowClose);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<SurgeryWindowOpenMessage>();
-            UnsubscribeLocalEvent<SurgeryWindowCloseMessage>();
-        }
-
         public void Reset()
         {
             _openSurgeryUIs.Clear();
diff --git a/Content.Server/Cloning/CloningSystem.cs b/Content.Server/Cloning/CloningSystem.cs
index e04a7f877e0..774d00f585e 100644
--- a/Content.Server/Cloning/CloningSystem.cs
+++ b/Content.Server/Cloning/CloningSystem.cs
@@ -33,14 +33,6 @@ namespace Content.Server.Cloning
             SubscribeLocalEvent<BeingClonedComponent, MindAddedMessage>(HandleMindAdded);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<CloningPodComponent, ActivateInWorldEvent>(HandleActivate);
-            UnsubscribeLocalEvent<BeingClonedComponent, MindAddedMessage>(HandleMindAdded);
-        }
-
         internal void TransferMindToClone(Mind.Mind mind)
         {
             if (!ClonesWaitingForMind.TryGetValue(mind, out var entityUid) ||
diff --git a/Content.Server/Disposal/Mailing/DisposalMailingUnitSystem.cs b/Content.Server/Disposal/Mailing/DisposalMailingUnitSystem.cs
index 40ef380c512..3156ec1ef46 100644
--- a/Content.Server/Disposal/Mailing/DisposalMailingUnitSystem.cs
+++ b/Content.Server/Disposal/Mailing/DisposalMailingUnitSystem.cs
@@ -11,13 +11,6 @@ namespace Content.Server.Disposal.Mailing
             SubscribeLocalEvent<DisposalMailingUnitComponent, PhysicsBodyTypeChangedEvent>(BodyTypeChanged);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<DisposalMailingUnitComponent, PhysicsBodyTypeChangedEvent>();
-        }
-
         private static void BodyTypeChanged(
             EntityUid uid,
             DisposalMailingUnitComponent component,
diff --git a/Content.Server/Disposal/Tube/DisposalTubeSystem.cs b/Content.Server/Disposal/Tube/DisposalTubeSystem.cs
index caba2e45697..8cae9e5b9e1 100644
--- a/Content.Server/Disposal/Tube/DisposalTubeSystem.cs
+++ b/Content.Server/Disposal/Tube/DisposalTubeSystem.cs
@@ -12,13 +12,6 @@ namespace Content.Server.Disposal.Tube
             SubscribeLocalEvent<DisposalTubeComponent, PhysicsBodyTypeChangedEvent>(BodyTypeChanged);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<DisposalTubeComponent, PhysicsBodyTypeChangedEvent>();
-        }
-
         private static void BodyTypeChanged(
             EntityUid uid,
             DisposalTubeComponent component,
diff --git a/Content.Server/Disposal/Unit/EntitySystems/DisposalUnitSystem.cs b/Content.Server/Disposal/Unit/EntitySystems/DisposalUnitSystem.cs
index 05eab4a226d..c60b6ad165f 100644
--- a/Content.Server/Disposal/Unit/EntitySystems/DisposalUnitSystem.cs
+++ b/Content.Server/Disposal/Unit/EntitySystems/DisposalUnitSystem.cs
@@ -12,13 +12,6 @@ namespace Content.Server.Disposal.Unit.EntitySystems
             SubscribeLocalEvent<DisposalUnitComponent, PhysicsBodyTypeChangedEvent>(BodyTypeChanged);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<DisposalUnitComponent, PhysicsBodyTypeChangedEvent>();
-        }
-
         private static void BodyTypeChanged(
             EntityUid uid,
             DisposalUnitComponent component,
diff --git a/Content.Server/Engineering/EntitySystems/DisassembleOnActivateSystem.cs b/Content.Server/Engineering/EntitySystems/DisassembleOnActivateSystem.cs
index 2b5ecdc642e..b123077e94a 100644
--- a/Content.Server/Engineering/EntitySystems/DisassembleOnActivateSystem.cs
+++ b/Content.Server/Engineering/EntitySystems/DisassembleOnActivateSystem.cs
@@ -19,13 +19,6 @@ namespace Content.Server.Engineering.EntitySystems
             SubscribeLocalEvent<DisassembleOnActivateComponent, ActivateInWorldEvent>(HandleActivateInWorld);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<DisassembleOnActivateComponent, ActivateInWorldEvent>(HandleActivateInWorld);
-        }
-
         private async void HandleActivateInWorld(EntityUid uid, DisassembleOnActivateComponent component, ActivateInWorldEvent args)
         {
             if (string.IsNullOrEmpty(component.Prototype))
diff --git a/Content.Server/Engineering/EntitySystems/SpawnAfterInteractSystem.cs b/Content.Server/Engineering/EntitySystems/SpawnAfterInteractSystem.cs
index a59a2521cba..1ccb6034161 100644
--- a/Content.Server/Engineering/EntitySystems/SpawnAfterInteractSystem.cs
+++ b/Content.Server/Engineering/EntitySystems/SpawnAfterInteractSystem.cs
@@ -25,13 +25,6 @@ namespace Content.Server.Engineering.EntitySystems
             SubscribeLocalEvent<SpawnAfterInteractComponent, AfterInteractEvent>(HandleAfterInteract);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<SpawnAfterInteractComponent, AfterInteractEvent>(HandleAfterInteract);
-        }
-
         private async void HandleAfterInteract(EntityUid uid, SpawnAfterInteractComponent component, AfterInteractEvent args)
         {
             if (string.IsNullOrEmpty(component.Prototype))
diff --git a/Content.Server/GameObjects/EntitySystems/AtmosphereSystem.cs b/Content.Server/GameObjects/EntitySystems/AtmosphereSystem.cs
index faf8734fd5c..d71f75d8cc2 100644
--- a/Content.Server/GameObjects/EntitySystems/AtmosphereSystem.cs
+++ b/Content.Server/GameObjects/EntitySystems/AtmosphereSystem.cs
@@ -120,9 +120,6 @@ namespace Content.Server.GameObjects.EntitySystems
             base.Shutdown();
 
             _mapManager.MapCreated -= OnMapCreated;
-
-            UnsubscribeLocalEvent<RotateEvent>();
-            UnsubscribeLocalEvent<AirtightComponent, SnapGridPositionChangedEvent>(HandleSnapGridMove);
         }
 
         private void RotateEvent(RotateEvent ev)
diff --git a/Content.Server/GameObjects/EntitySystems/GasCanisterSystem.cs b/Content.Server/GameObjects/EntitySystems/GasCanisterSystem.cs
index e1d030ae972..0377d14510a 100644
--- a/Content.Server/GameObjects/EntitySystems/GasCanisterSystem.cs
+++ b/Content.Server/GameObjects/EntitySystems/GasCanisterSystem.cs
@@ -14,13 +14,6 @@ namespace Content.Server.GameObjects.EntitySystems
             SubscribeLocalEvent<GasCanisterComponent, PhysicsBodyTypeChangedEvent>(OnBodyTypeChanged);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<GasCanisterComponent, PhysicsBodyTypeChangedEvent>();
-        }
-
         private static void OnBodyTypeChanged(
             EntityUid uid,
             GasCanisterComponent component,
diff --git a/Content.Server/Ghost/GhostSystem.cs b/Content.Server/Ghost/GhostSystem.cs
index 5ca66270f57..8e070aa771e 100644
--- a/Content.Server/Ghost/GhostSystem.cs
+++ b/Content.Server/Ghost/GhostSystem.cs
@@ -16,14 +16,6 @@ namespace Content.Server.Ghost
             SubscribeLocalEvent<GhostComponent, MindUnvisitedMessage>(OnMindUnvisitedMessage);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<GhostComponent, MindRemovedMessage>(OnMindRemovedMessage);
-            UnsubscribeLocalEvent<GhostComponent, MindUnvisitedMessage>(OnMindUnvisitedMessage);
-        }
-
         private void OnMindRemovedMessage(EntityUid uid, GhostComponent component, MindRemovedMessage args)
         {
             DeleteEntity(uid);
diff --git a/Content.Server/Ghost/Roles/GhostRoleSystem.cs b/Content.Server/Ghost/Roles/GhostRoleSystem.cs
index 141f675a37f..fb878ae83b6 100644
--- a/Content.Server/Ghost/Roles/GhostRoleSystem.cs
+++ b/Content.Server/Ghost/Roles/GhostRoleSystem.cs
@@ -36,13 +36,6 @@ namespace Content.Server.Ghost.Roles
             SubscribeLocalEvent<PlayerAttachedEvent>(OnPlayerAttached);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<PlayerAttachedEvent>();
-        }
-
         private uint GetNextRoleIdentifier()
         {
             return unchecked(_nextRoleIdentifier++);
diff --git a/Content.Server/Gravity/EntitySystems/WeightlessSystem.cs b/Content.Server/Gravity/EntitySystems/WeightlessSystem.cs
index c7e0711b124..9f601434ff9 100644
--- a/Content.Server/Gravity/EntitySystems/WeightlessSystem.cs
+++ b/Content.Server/Gravity/EntitySystems/WeightlessSystem.cs
@@ -26,14 +26,6 @@ namespace Content.Server.Gravity.EntitySystems
             SubscribeLocalEvent<EntParentChangedMessage>(EntParentChanged);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<GravityChangedMessage>();
-            UnsubscribeLocalEvent<EntParentChangedMessage>();
-        }
-
         public void Reset()
         {
             _alerts.Clear();
diff --git a/Content.Server/Light/EntitySystems/HandHeldLightSystem.cs b/Content.Server/Light/EntitySystems/HandHeldLightSystem.cs
index 3b83b10947f..e1b16e2688c 100644
--- a/Content.Server/Light/EntitySystems/HandHeldLightSystem.cs
+++ b/Content.Server/Light/EntitySystems/HandHeldLightSystem.cs
@@ -24,8 +24,6 @@ namespace Content.Server.Light.EntitySystems
         {
             base.Shutdown();
             _activeLights.Clear();
-            UnsubscribeLocalEvent<ActivateHandheldLightMessage>();
-            UnsubscribeLocalEvent<DeactivateHandheldLightMessage>();
         }
 
         private void HandleActivate(ActivateHandheldLightMessage message)
diff --git a/Content.Server/Light/EntitySystems/LightReplacerSystem.cs b/Content.Server/Light/EntitySystems/LightReplacerSystem.cs
index 505f3c8170d..d707e9c1621 100644
--- a/Content.Server/Light/EntitySystems/LightReplacerSystem.cs
+++ b/Content.Server/Light/EntitySystems/LightReplacerSystem.cs
@@ -19,14 +19,6 @@ namespace Content.Server.Light.EntitySystems
             SubscribeLocalEvent<LightReplacerComponent, AfterInteractEvent>(HandleAfterInteract);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<LightReplacerComponent, InteractUsingEvent>(HandleInteract);
-            UnsubscribeLocalEvent<LightReplacerComponent, AfterInteractEvent>(HandleAfterInteract);
-        }
-
         private void HandleAfterInteract(EntityUid uid, LightReplacerComponent component, AfterInteractEvent eventArgs)
         {
             // standard interaction checks
diff --git a/Content.Server/NodeContainer/EntitySystems/NodeContainerSystem.cs b/Content.Server/NodeContainer/EntitySystems/NodeContainerSystem.cs
index eba0b020c2c..4cfb26181f3 100644
--- a/Content.Server/NodeContainer/EntitySystems/NodeContainerSystem.cs
+++ b/Content.Server/NodeContainer/EntitySystems/NodeContainerSystem.cs
@@ -15,15 +15,6 @@ namespace Content.Server.NodeContainer.EntitySystems
             SubscribeLocalEvent<NodeContainerComponent, RotateEvent>(OnRotateEvent);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-
-            UnsubscribeLocalEvent<NodeContainerComponent, PhysicsBodyTypeChangedEvent>(OnBodyTypeChanged);
-            UnsubscribeLocalEvent<NodeContainerComponent, RotateEvent>(OnRotateEvent);
-        }
-
         private void OnBodyTypeChanged(EntityUid uid, NodeContainerComponent component, PhysicsBodyTypeChangedEvent args)
         {
             component.AnchorUpdate();
diff --git a/Content.Server/ParticleAccelerator/ParticleAcceleratorPartSystem.cs b/Content.Server/ParticleAccelerator/ParticleAcceleratorPartSystem.cs
index ae61276bf1f..10f386d9593 100644
--- a/Content.Server/ParticleAccelerator/ParticleAcceleratorPartSystem.cs
+++ b/Content.Server/ParticleAccelerator/ParticleAcceleratorPartSystem.cs
@@ -16,13 +16,6 @@ namespace Content.Server.ParticleAccelerator
             SubscribeLocalEvent<ParticleAcceleratorPartComponent, PhysicsBodyTypeChangedEvent>(BodyTypeChanged);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<ParticleAcceleratorPartComponent, PhysicsBodyTypeChangedEvent>();
-        }
-
         private static void BodyTypeChanged(
             EntityUid uid,
             ParticleAcceleratorPartComponent component,
diff --git a/Content.Server/Power/EntitySystems/PowerReceiverSystem.cs b/Content.Server/Power/EntitySystems/PowerReceiverSystem.cs
index e755c4c9db4..54ed7847ded 100644
--- a/Content.Server/Power/EntitySystems/PowerReceiverSystem.cs
+++ b/Content.Server/Power/EntitySystems/PowerReceiverSystem.cs
@@ -12,13 +12,6 @@ namespace Content.Server.Power.EntitySystems
             SubscribeLocalEvent<PowerReceiverComponent, PhysicsBodyTypeChangedEvent>(BodyTypeChanged);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<PowerReceiverComponent, PhysicsBodyTypeChangedEvent>();
-        }
-
         private static void BodyTypeChanged(
             EntityUid uid,
             PowerReceiverComponent component,
diff --git a/Content.Server/Pulling/PullingSystem.cs b/Content.Server/Pulling/PullingSystem.cs
index 4b29e234d3a..e616e69d9c5 100644
--- a/Content.Server/Pulling/PullingSystem.cs
+++ b/Content.Server/Pulling/PullingSystem.cs
@@ -16,13 +16,5 @@ namespace Content.Server.Pulling
             SubscribeLocalEvent<PullableComponent, PullableMoveMessage>(OnPullableMove);
             SubscribeLocalEvent<PullableComponent, PullableStopMovingMessage>(OnPullableStopMove);
         }
-
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<PullableComponent, PullableMoveMessage>(OnPullableMove);
-            UnsubscribeLocalEvent<PullableComponent, PullableStopMovingMessage>(OnPullableStopMove);
-        }
     }
 }
diff --git a/Content.Server/Singularity/EntitySystems/ContainmentFieldGeneratorSystem.cs b/Content.Server/Singularity/EntitySystems/ContainmentFieldGeneratorSystem.cs
index 9ba63fa179c..89660d75484 100644
--- a/Content.Server/Singularity/EntitySystems/ContainmentFieldGeneratorSystem.cs
+++ b/Content.Server/Singularity/EntitySystems/ContainmentFieldGeneratorSystem.cs
@@ -12,13 +12,6 @@ namespace Content.Server.Singularity.EntitySystems
             SubscribeLocalEvent<ContainmentFieldGeneratorComponent, PhysicsBodyTypeChangedEvent>(BodyTypeChanged);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<ContainmentFieldGeneratorComponent, PhysicsBodyTypeChangedEvent>();
-        }
-
         private static void BodyTypeChanged(
             EntityUid uid,
             ContainmentFieldGeneratorComponent component,
diff --git a/Content.Server/Storage/StorageSystem.cs b/Content.Server/Storage/StorageSystem.cs
index b31f43c6cac..e0df9d95aa9 100644
--- a/Content.Server/Storage/StorageSystem.cs
+++ b/Content.Server/Storage/StorageSystem.cs
@@ -22,14 +22,6 @@ namespace Content.Server.Storage
             SubscribeLocalEvent<EntInsertedIntoContainerMessage>(HandleEntityInsertedIntoContainer);
         }
 
-        public override void Shutdown()
-        {
-            base.Shutdown();
-
-            UnsubscribeLocalEvent<EntRemovedFromContainerMessage>();
-            UnsubscribeLocalEvent<EntInsertedIntoContainerMessage>();
-        }
-
         /// <inheritdoc />
         public override void Update(float frameTime)
         {