diff --git a/Core/Callbacks/DialogueCallbacks.cs b/Core/Callbacks/DialogueCallbacks.cs
index c8f66334..626ec8e1 100644
--- a/Core/Callbacks/DialogueCallbacks.cs
+++ b/Core/Callbacks/DialogueCallbacks.cs
@@ -10,27 +10,14 @@ namespace Core.Callbacks;
 
 [Injectable(InjectableTypeOverride = typeof(OnUpdate), TypePriority = OnUpdateOrder.DialogueCallbacks)]
 [Injectable(InjectableTypeOverride = typeof(DialogueCallbacks))]
-public class DialogueCallbacks : OnUpdate
+public class DialogueCallbacks(
+    HashUtil _hashUtil,
+    TimeUtil _timeUtil,
+    HttpResponseUtil _httpResponseUtil,
+    DialogueController _dialogueController
+)
+    : OnUpdate
 {
-    protected HashUtil _hashUtil;
-    protected TimeUtil _timeUtil;
-    protected HttpResponseUtil _httpResponseUtil;
-    protected DialogueController _dialogueController;
-
-    public DialogueCallbacks
-    (
-        HashUtil hashUtil,
-        TimeUtil timeUtil,
-        HttpResponseUtil httpResponseUtil,
-        DialogueController dialogueController
-    )
-    {
-        _hashUtil = hashUtil;
-        _timeUtil = timeUtil;
-        _httpResponseUtil = httpResponseUtil;
-        _dialogueController = dialogueController;
-    }
-
     /// <summary>
     /// Handle client/friend/list
     /// </summary>
@@ -60,7 +47,7 @@ public class DialogueCallbacks : OnUpdate
                 RegistrationId = 20,
                 DateTime = _timeUtil.GetTimeStamp(),
                 IsDeveloper = true,
-                Regions = new() { "EUR" },
+                Regions = ["EUR"],
                 VersionId = "bgkidft87ddd",
                 Ip = "",
                 Port = 0,
@@ -335,10 +322,10 @@ public class DialogueCallbacks : OnUpdate
         throw new NotImplementedException(); // Not implemented in Node
     }
 
-    public async Task<bool> OnUpdate(long timeSinceLastRun)
+    public Task<bool> OnUpdate(long timeSinceLastRun)
     {
         _dialogueController.Update();
-        return true;
+        return Task.FromResult(true);
     }
 
     public string GetRoute()
diff --git a/Core/Controllers/DialogueController.cs b/Core/Controllers/DialogueController.cs
index bc239b4a..fb43c002 100644
--- a/Core/Controllers/DialogueController.cs
+++ b/Core/Controllers/DialogueController.cs
@@ -150,7 +150,7 @@ public class DialogueController
     /// <param name="sessionId">Session Id</param>
     /// <returns>DialogueInfo</returns>
     public DialogueInfo GetDialogueInfo(
-        string dialogueId,
+        string? dialogueId,
         string sessionId)
     {
         var dialogs = _dialogueHelper.GetDialogsForProfile(sessionId);
@@ -280,7 +280,7 @@ public class DialogueController
     /// <param name="dialogueId">id of the dialog to remove</param>
     /// <param name="sessionId">Player id</param>
     public void RemoveDialogue(
-        string dialogueId,
+        string? dialogueId,
         string sessionId)
     {
         throw new NotImplementedException();
@@ -293,7 +293,7 @@ public class DialogueController
     /// <param name="shouldPin"></param>
     /// <param name="sessionId"></param>
     public void SetDialoguePin(
-        string dialogueId,
+        string? dialogueId,
         bool shouldPin,
         string sessionId)
     {
@@ -307,7 +307,7 @@ public class DialogueController
     /// <param name="dialogueIds">Dialog ids to set as read</param>
     /// <param name="sessionId">Player profile id</param>
     public void SetRead(
-        List<string> dialogueIds,
+        List<string>? dialogueIds,
         string sessionId)
     {
         throw new NotImplementedException();