diff --git a/Bot/.editorconfig b/Bot/.editorconfig
index 07b7ab7..c20e04a 100644
--- a/Bot/.editorconfig
+++ b/Bot/.editorconfig
@@ -30,6 +30,9 @@ dotnet_style_prefer_conditional_expression_over_assignment = true:silent
 
 # C# files
 [*.cs]
+# ReSharper
+resharper_function_never_returns_highlighting = none
+
 # New line preferences
 csharp_new_line_before_open_brace = all
 csharp_new_line_before_else = true
diff --git a/Bot/Coc.cs b/Bot/Coc.cs
index 50f0f12..3cd85d6 100644
--- a/Bot/Coc.cs
+++ b/Bot/Coc.cs
@@ -9,11 +9,11 @@ internal static class Coc
 {
     private sealed class ClanUtil
     {
-        internal Clan _clan;
+        internal readonly Clan _clan;
         internal readonly Dictionary<string, ClanMember> _members = [];
         internal readonly Dictionary<string, ClanMember> _existingMembers = [];
         internal readonly Dictionary<string, ClanMember> _joiningMembers = [];
-        internal Dictionary<string, ClanMember> _leavingMembers;
+        internal readonly Dictionary<string, ClanMember> _leavingMembers;
 
         private ClanUtil(Clan clan, Dictionary<string, ClanMember> leavingMembers)
         {
@@ -82,37 +82,41 @@ internal readonly struct DonationTuple(int donated, int received)
 
     private static void CheckMembersJoined(ClanUtil clan)
     {
-        if (clan._joiningMembers.Count > 0)
+        if (clan._joiningMembers.Count == 0)
         {
-            string[] members = [.. clan._joiningMembers.Keys];
-            bool isSuccess = Db.AddMembers(members);
-            string membersMsg = string.Join(", ", members);
-            if (isSuccess)
-            {
-                Console.WriteLine($"{membersMsg} joined");
-            }
-            else
-            {
-                Console.Error.WriteLine($"ERROR MembersJoined {membersMsg}");
-            }
+            return;
+        }
+
+        string[] members = [.. clan._joiningMembers.Keys];
+        bool isSuccess = Db.AddMembers(members);
+        string membersMsg = string.Join(", ", members);
+        if (isSuccess)
+        {
+            Console.WriteLine($"{membersMsg} joined");
+        }
+        else
+        {
+            Console.Error.WriteLine($"ERROR MembersJoined {membersMsg}");
         }
     }
 
     private static void CheckMembersLeft(ClanUtil clan)
     {
-        if (clan._leavingMembers.Count > 0)
+        if (clan._leavingMembers.Count == 0)
         {
-            string[] members = [.. clan._leavingMembers.Keys];
-            bool isSuccess = Db.RemoveMembers(members);
-            string membersMsg = string.Join(", ", members);
-            if (isSuccess)
-            {
-                Console.WriteLine($"{membersMsg} left");
-            }
-            else
-            {
-                Console.Error.WriteLine($"ERROR MembersLeft {membersMsg}");
-            }
+            return;
+        }
+
+        string[] members = [.. clan._leavingMembers.Keys];
+        bool isSuccess = Db.RemoveMembers(members);
+        string membersMsg = string.Join(", ", members);
+        if (isSuccess)
+        {
+            Console.WriteLine($"{membersMsg} left");
+        }
+        else
+        {
+            Console.Error.WriteLine($"ERROR MembersLeft {membersMsg}");
         }
     }
 
diff --git a/Bot/Dc/Attr/RequireAdmin.cs b/Bot/Dc/Attr/RequireAdmin.cs
index 42cf983..6bc0423 100644
--- a/Bot/Dc/Attr/RequireAdmin.cs
+++ b/Bot/Dc/Attr/RequireAdmin.cs
@@ -4,7 +4,7 @@
 
 namespace Hyperstellar.Dc.Attr;
 
-internal class RequireAdmin : PreconditionAttribute
+internal sealed class RequireAdmin : PreconditionAttribute
 {
     public override Task<PreconditionResult> CheckRequirementsAsync(IInteractionContext context, ICommandInfo commandInfo, IServiceProvider services) => Db.s_admins.Contains(context.User.Id)
             ? Task.FromResult(PreconditionResult.FromSuccess())
diff --git a/Bot/Dc/MemberConverter.cs b/Bot/Dc/MemberConverter.cs
index 1535763..e0325cc 100644
--- a/Bot/Dc/MemberConverter.cs
+++ b/Bot/Dc/MemberConverter.cs
@@ -1,11 +1,10 @@
-using ClashOfClans.Models;
-using Discord;
+using Discord;
 using Discord.Interactions;
 using Hyperstellar.Sql;
 
 namespace Hyperstellar.Dc;
 
-internal class MemberConverter : TypeConverter
+internal sealed class MemberConverter : TypeConverter
 {
     public override bool CanConvertTo(System.Type type) => typeof(Member).IsAssignableFrom(type);
     public override ApplicationCommandOptionType GetDiscordType() => ApplicationCommandOptionType.String;
diff --git a/Bot/Secrets.cs b/Bot/Secrets.cs
index a3122a4..ee247c3 100644
--- a/Bot/Secrets.cs
+++ b/Bot/Secrets.cs
@@ -1,5 +1,7 @@
 using Newtonsoft.Json;
 
+namespace Hyperstellar;
+
 internal sealed class Secrets
 {
     internal static readonly string s_discord;  // Your Discord bot token
diff --git a/Bot/Sql/Donation.cs b/Bot/Sql/Donation.cs
index 6eced96..7223a4b 100644
--- a/Bot/Sql/Donation.cs
+++ b/Bot/Sql/Donation.cs
@@ -2,7 +2,7 @@
 
 namespace Hyperstellar.Sql;
 
-internal class Donation(string id)
+internal sealed class Donation(string id)
 {
     [PrimaryKey, NotNull]
     public string Id { get; set; } = id;