diff --git a/src/Infrastructure/BotSharp.Abstraction/Repositories/IBotSharpRepository.cs b/src/Infrastructure/BotSharp.Abstraction/Repositories/IBotSharpRepository.cs
index cbeff2d11..81657b651 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Repositories/IBotSharpRepository.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Repositories/IBotSharpRepository.cs
@@ -201,9 +201,6 @@ Task<DateTimePagination<ConversationStateLogModel>> GetConversationStateLogs(str
     #region Log Cleanup
     Task<int> DeleteOldConversationLogs(int retentionDays, int batchSize)
         => throw new NotImplementedException();
-
-    Task<int> DeleteOldInstructionLogs(int retentionDays, int batchSize)
-        => throw new NotImplementedException();
     #endregion
 
     #region Instruction Log
diff --git a/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Log.cs b/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Log.cs
index ea350ea1a..4e51966d1 100644
--- a/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Log.cs
+++ b/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Log.cs
@@ -185,12 +185,6 @@ public async Task<int> DeleteOldConversationLogs(int retentionDays, int batchSiz
         // as it's typically used for local dev. Implementing it would require iterating all conversations.
         return await Task.FromResult(0);
     }
-
-    public async Task<int> DeleteOldInstructionLogs(int retentionDays, int batchSize = 2000)
-    {
-        // For file repository, keep the same cleanup behavior as conversation logs.
-        return await Task.FromResult(0);
-    }
     #endregion
 
     #region Instruction Log
diff --git a/src/Infrastructure/BotSharp.OpenAPI/BotSharpOpenApiExtensions.cs b/src/Infrastructure/BotSharp.OpenAPI/BotSharpOpenApiExtensions.cs
index 333de5cd9..6d288bff5 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/BotSharpOpenApiExtensions.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/BotSharpOpenApiExtensions.cs
@@ -238,10 +238,6 @@ public static IServiceCollection AddCrontabServices(this IServiceCollection serv
         services.AddScoped<ICrontabHook, ConversationLogCleanupCrontabHook>();
         services.AddScoped<ICrontabSource, ConversationLogCleanupRuleTrigger>();
         services.AddScoped<IRuleTrigger, ConversationLogCleanupRuleTrigger>();
-
-        services.AddScoped<ICrontabHook, InstructionLogCleanupCrontabHook>();
-        services.AddScoped<ICrontabSource, InstructionLogCleanupRuleTrigger>();
-        services.AddScoped<IRuleTrigger, InstructionLogCleanupRuleTrigger>();
         return services;
     }
 
diff --git a/src/Infrastructure/BotSharp.OpenAPI/Hooks/InstructionLogCleanupCrontabHook.cs b/src/Infrastructure/BotSharp.OpenAPI/Hooks/InstructionLogCleanupCrontabHook.cs
deleted file mode 100644
index 4a7dc26d3..000000000
--- a/src/Infrastructure/BotSharp.OpenAPI/Hooks/InstructionLogCleanupCrontabHook.cs
+++ /dev/null
@@ -1,65 +0,0 @@
-using BotSharp.Abstraction.Crontab;
-using BotSharp.Abstraction.Crontab.Models;
-using BotSharp.Abstraction.Repositories;
-using BotSharp.OpenAPI.RuleTriggers;
-using Microsoft.Extensions.Hosting;
-
-namespace BotSharp.OpenAPI.Hooks
-{
-    public class InstructionLogCleanupCrontabHook : ICrontabHook
-    {
-        private readonly ConversationSetting _settings;
-        private readonly IBotSharpRepository _db;
-        private readonly ILogger<InstructionLogCleanupCrontabHook> _logger;
-        private readonly IHostApplicationLifetime _appLifetime;
-
-        public string[]? Triggers => new[] { nameof(InstructionLogCleanupRuleTrigger) };
-
-        public InstructionLogCleanupCrontabHook(
-            ConversationSetting settings,
-            IBotSharpRepository db,
-            ILogger<InstructionLogCleanupCrontabHook> logger,
-            IHostApplicationLifetime appLifetime)
-        {
-            _settings = settings;
-            _db = db;
-            _logger = logger;
-            _appLifetime = appLifetime;
-        }
-
-        public async Task OnCronTriggered(CrontabItem item)
-        {
-            var cleanSetting = _settings.CleanSetting;
-
-            if (cleanSetting == null || !cleanSetting.Enable || cleanSetting.LogRetentionDays <= 0) return;
-
-            int totalDeleted = 0;
-            var cancellationToken = _appLifetime.ApplicationStopping;
-
-            while (!cancellationToken.IsCancellationRequested)
-            {
-                var deletedCount = await _db.DeleteOldInstructionLogs(cleanSetting.LogRetentionDays, cleanSetting.LogBatchSize);
-                if (deletedCount == 0) break;
-
-                totalDeleted += deletedCount;
-                _logger.LogInformation($"Cleaned {deletedCount} instruction logs older than {cleanSetting.LogRetentionDays} days in this batch.");
-
-                try
-                {
-                    // Sleep slightly to yield database resources, will throw TaskCanceledException on shutdown
-                    await Task.Delay(1000, cancellationToken);
-                }
-                catch (OperationCanceledException)
-                {
-                    _logger.LogWarning("Instruction log cleanup was interrupted due to application shutdown.");
-                    break;
-                }
-            }
-
-            if (totalDeleted > 0)
-            {
-                _logger.LogInformation($"Successfully cleaned a total of {totalDeleted} instruction logs older than {cleanSetting.LogRetentionDays} days.");
-            }
-        }
-    }
-}
diff --git a/src/Infrastructure/BotSharp.OpenAPI/RuleTriggers/InstructionLogCleanupRuleTrigger.cs b/src/Infrastructure/BotSharp.OpenAPI/RuleTriggers/InstructionLogCleanupRuleTrigger.cs
deleted file mode 100644
index f13bfe00a..000000000
--- a/src/Infrastructure/BotSharp.OpenAPI/RuleTriggers/InstructionLogCleanupRuleTrigger.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-using BotSharp.Abstraction.Crontab;
-using BotSharp.Abstraction.Crontab.Models;
-using BotSharp.Abstraction.Rules;
-
-namespace BotSharp.OpenAPI.RuleTriggers
-{
-    public class InstructionLogCleanupRuleTrigger : IRuleTrigger, ICrontabSource
-    {
-        public string Channel => ConversationChannel.Crontab;
-        public string Name => nameof(InstructionLogCleanupRuleTrigger);
-        public string EntityType { get; set; } = string.Empty;
-        public string EntityId { get; set; } = string.Empty;
-
-        public CrontabItem GetCrontabItem()
-        {
-            return new CrontabItem
-            {
-                Title = nameof(InstructionLogCleanupRuleTrigger),
-                Description = "Clean up old instruction logs daily",
-                Cron = "0 6 * * *", // Run at 6:00 AM UTC (Midnight Chicago Standard Time)
-                TriggerType = CronTabItemTriggerType.MessageQueue
-            };
-        }
-    }
-}
diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Log.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Log.cs
index 9cfc04b2e..2444f4bd0 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Log.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Log.cs
@@ -168,23 +168,6 @@ public async Task<int> DeleteOldConversationLogs(int retentionDays, int batchSiz
 
         return (int)(contentDeletedCount + stateDeletedCount);
     }
-
-    public async Task<int> DeleteOldInstructionLogs(int retentionDays, int batchSize)
-    {
-        if (retentionDays <= 0) return 0;
-        var threshold = DateTime.UtcNow.AddDays(-retentionDays);
-
-        var filter = Builders<InstructionLogDocument>.Filter.Lt(x => x.CreatedTime, threshold);
-        var docsToDelete = await _dc.InstructionLogs.Find(filter).Limit(batchSize).Project(x => x.Id).ToListAsync();
-        if (!docsToDelete.Any())
-        {
-            return 0;
-        }
-
-        var deleteFilter = Builders<InstructionLogDocument>.Filter.In(x => x.Id, docsToDelete);
-        var deleted = await _dc.InstructionLogs.DeleteManyAsync(deleteFilter);
-        return (int)deleted.DeletedCount;
-    }
     #endregion
 
     #region Instruction Log