diff --git a/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControlMessengerWithSubscriptions.cs b/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControlMessengerWithSubscriptions.cs
index 887f1789..e6365571 100644
--- a/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControlMessengerWithSubscriptions.cs
+++ b/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControlMessengerWithSubscriptions.cs
@@ -1,3 +1,4 @@
+using System;
 using PepperDash.Core;
 
 namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
@@ -5,6 +6,7 @@ namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
   /// <summary>
   /// Defines the contract for IMobileControlMessenger
   /// </summary>
+  [Obsolete("This interface is obsolete and will be removed in a future version. All messengers are now subscription based.")]
   public interface IMobileControlMessengerWithSubscriptions : IMobileControlMessenger
   {
     /// <summary>
diff --git a/src/PepperDash.Essentials.MobileControl/MobileControlConfig.cs b/src/PepperDash.Essentials.MobileControl/MobileControlConfig.cs
index ec7219a3..9beed963 100644
--- a/src/PepperDash.Essentials.MobileControl/MobileControlConfig.cs
+++ b/src/PepperDash.Essentials.MobileControl/MobileControlConfig.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 
@@ -43,6 +44,7 @@ namespace PepperDash.Essentials
         /// Enable subscriptions for Messengers
         /// </summary>
         [JsonProperty("enableMessengerSubscriptions")]
+        [Obsolete("This property is obsolete and will be removed in a future version. All messengers are now subscription based.")]
         public bool EnableMessengerSubscriptions { get; set; }
     }