diff --git a/SQLBackupToCOS/BackupService.cs b/SQLBackupToCOS/BackupService.cs
index 04a6f91..6b8b79b 100644
--- a/SQLBackupToCOS/BackupService.cs
+++ b/SQLBackupToCOS/BackupService.cs
@@ -140,6 +140,10 @@ public class BackupService(ILogger<BackupService> logger, IConfiguration config,
         var finalDump = $"/data/dumps/dump-{timestamp}.tar.gz";
         try
         {
+            if (Directory.Exists(dumpDir))
+            {
+                Directory.Delete(dumpDir, recursive: true);
+            }
             Directory.CreateDirectory(dumpDir);
 
             foreach (var database in databases)
@@ -185,7 +189,7 @@ public class BackupService(ILogger<BackupService> logger, IConfiguration config,
             Directory.Delete(dumpDir, recursive: true);
             _logger.LogInformation("Backup completed: {File}", finalDump);
 
-            await _outputService.CleanOutputDirFiles();
+            _outputService.CleanOutputDirFiles();
             await _outputService.AddFileToOutput(finalDump);
             //await _cosService.AddFileToCOS(finalDump);
         }
diff --git a/SQLBackupToCOS/OutputService.cs b/SQLBackupToCOS/OutputService.cs
index e6c734f..760dd68 100644
--- a/SQLBackupToCOS/OutputService.cs
+++ b/SQLBackupToCOS/OutputService.cs
@@ -48,7 +48,7 @@ namespace SQLBackupToCOS
                 throw;
             }
         }
-        public async Task CleanOutputDirFiles()
+        public void CleanOutputDirFiles()
         {
             try
             {