diff --git a/SteamKit2/SteamKit2/Steam/Handlers/SteamFriends/Callbacks.cs b/SteamKit2/SteamKit2/Steam/Handlers/SteamFriends/Callbacks.cs
index 975dda8b5..9faeb309a 100644
--- a/SteamKit2/SteamKit2/Steam/Handlers/SteamFriends/Callbacks.cs
+++ b/SteamKit2/SteamKit2/Steam/Handlers/SteamFriends/Callbacks.cs
@@ -178,6 +178,7 @@ public sealed class PersonaStateCallback : CallbackMsg
             /// Gets the published session ID.
             /// </summary>
             /// <value>The published session ID.</value>
+            [Obsolete("published_instance_id was removed")]
             public uint PublishedSessionID { get; private set; }
 
 
@@ -212,7 +213,6 @@ internal PersonaStateCallback( CMsgClientPersonaState.Friend friend )
                 this.ClanTag = friend.clan_tag;
 
                 this.OnlineSessionInstances = friend.online_session_instances;
-                this.PublishedSessionID = friend.published_instance_id;
             }
         }