diff --git a/ModpackUpdater.Manager/ModpackInstaller.cs b/ModpackUpdater.Manager/ModpackInstaller.cs
index ed1e0d9..bbacb43 100644
--- a/ModpackUpdater.Manager/ModpackInstaller.cs
+++ b/ModpackUpdater.Manager/ModpackInstaller.cs
@@ -18,7 +18,7 @@ public class ModpackInstaller(ModpackConfig updateConfig, string localPath)
 
     public delegate void CheckingProgressUpdatedEventHandler(int toCheck, int processed);
 
-    private HttpClient httpClient = new();
+    private readonly HttpClient httpClient = new();
 
     ~ModpackInstaller()
     {
@@ -37,7 +37,7 @@ public class ModpackInstaller(ModpackConfig updateConfig, string localPath)
         return InstallInfos.Parse(content);
     }
 
-    public async Task<UpdateCheckResult> Check(bool ignoreRevmoedFiles)
+    public async Task<UpdateCheckResult> Check()
     {
         var result = new UpdateCheckResult();
 
@@ -106,10 +106,8 @@ public class ModpackInstaller(ModpackConfig updateConfig, string localPath)
         {
             string destFilePath = Path.Combine(localPath, iaction.DestPath);
 
-            if (iaction is UpdateAction)
+            if (iaction is UpdateAction uaction)
             {
-                UpdateAction uaction = (UpdateAction)iaction;
-
                 switch (uaction.Type)
                 {
                     case UpdateActionType.Update:
diff --git a/ModpackUpdater/AppConfig.cs b/ModpackUpdater/AppConfig.cs
index 329d1ca..c2828ed 100644
--- a/ModpackUpdater/AppConfig.cs
+++ b/ModpackUpdater/AppConfig.cs
@@ -7,13 +7,11 @@ public class AppConfig
     public string LastMinecraftProfilePath { get; set; }
     public string LastConfigFilePath { get; set; }
     public List<string> KeepLocalFiles { get; set; } = [];
-    public bool AllowRemoveLocalFiles { get; set; }
 
     public void Reset()
     {
         KeepLocalFiles.Clear();
         KeepLocalFiles.Add("OptiFine_1.7.10_HD_U_E7.jar");
-        AllowRemoveLocalFiles = false;
     }
 
     private static AppConfig instance = null;
diff --git a/ModpackUpdater/Form1.cs b/ModpackUpdater/Form1.cs
index b77f481..7870f9f 100644
--- a/ModpackUpdater/Form1.cs
+++ b/ModpackUpdater/Form1.cs
@@ -40,7 +40,8 @@ public partial class Form1
 
     private bool CheckStatus()
     {
-        bool CheckStatusRet = default;
+        bool CheckStatusRet;
+
         if (!IsMinecaftProfileLoaded() || !MinecraftProfileChecker.CheckProfile(GetMinecraftProfilePath()))
         {
             SetStatus(LangRes.StatusText_MinecraftProfileWarning, MySymbols.icons8_general_warning_sign_16px);
@@ -52,9 +53,7 @@ public partial class Form1
             CheckStatusRet = false;
         }
         else
-        {
             CheckStatusRet = true;
-        }
 
         return CheckStatusRet;
     }
@@ -91,7 +90,7 @@ public partial class Form1
             if (IsUpdateConfigLoaded())
                 updateConfig = (ModpackConfig)ModpackConfig.LoadFromUrl(filePath);
         }
-        catch (Exception ex)
+        catch
         {
             RadTextBoxControl_ModpackConfig.Text = string.Empty;
         }
@@ -117,9 +116,9 @@ public partial class Form1
 
             try
             {
-                lastUpdateCheckResult = await updater.Check(!AppConfig.Instance.AllowRemoveLocalFiles);
+                lastUpdateCheckResult = await updater.Check();
             }
-            catch (Exception ex)
+            catch
             {
                 SetStatus(LangRes.StatusText_ErrorWhileUpdateCheckOrUpdate, MySymbols.icons8_delete_16px);
             }
diff --git a/ModpackUpdater/ModpackUpdater.csproj b/ModpackUpdater/ModpackUpdater.csproj
index 527da51..3901c19 100644
--- a/ModpackUpdater/ModpackUpdater.csproj
+++ b/ModpackUpdater/ModpackUpdater.csproj
@@ -57,6 +57,7 @@
   
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Pilz.Configuration" Version="3.1.2" />
     <PackageReference Include="Pilz.Cryptography" Version="2.0.1" />
     <PackageReference Include="Pilz.IO" Version="2.0.0" />
     <PackageReference Include="Pilz.Win32" Version="2.0.0" />