Нашёл причину утечки памяти

Assets/Code/Infrastructure/Camera/CameraStates/BaseCameraState.cs

@@ -6,8 +6,6 @@ namespace Code.Infrastructure.Camera.CameraStates
     // [State(typeof(CameraMode),typeof(CameraStateMachineContext))]
     public abstract class BaseCameraState : BaseState<CameraMode, CameraStateMachineContext>
     {
-        protected EventBus.EventBus EventBus;
-        
         protected BaseCameraState(CameraStateMachineContext context, EventBus.EventBus eventBus) : base(context, eventBus)
         {
             EventBus = eventBus;