diff --git a/Core/Remote/IPiscalClient.cs b/Core/Remote/IPiscalClient.cs
index 75389e3..7053c04 100644
--- a/Core/Remote/IPiscalClient.cs
+++ b/Core/Remote/IPiscalClient.cs
@@ -7,5 +7,6 @@ namespace LeafWeb.Core.Remote
 		void RunLeafInputFile(PiscalLeafInputFile file);
 		PiscalStatus GetLeafInputFileStatus(PiscalLeafInputFile file);
 		IEnumerable<PiscalLeafOutputFile> RetrieveLeafOutput(PiscalLeafInputFile file);
+		void CleanupLeafProcess(PiscalLeafInputFile file);
 	}
 }
diff --git a/Core/Remote/PiscalSshClient.cs b/Core/Remote/PiscalSshClient.cs
index 0d132af..c54db5c 100644
--- a/Core/Remote/PiscalSshClient.cs
+++ b/Core/Remote/PiscalSshClient.cs
@@ -14,6 +14,10 @@ namespace LeafWeb.Core.Remote
 		private const string RemoteScriptPath = BaseDirectory + "/piscal_manager.sh";
 		private readonly PasswordConnectionInfo _connectionInfo;
 
+		private const string StatusSuccess = "success";
+		private const string StatusRunning = "running";
+		private const string StatusError = "error";
+
 		public PiscalSshClient(string connectionString)
 		{
 			var conn = new DbConnectionStringBuilder {ConnectionString = connectionString};
@@ -70,9 +74,9 @@ namespace LeafWeb.Core.Remote
 
 			switch (statusRaw[0])
 			{
-				case "running":
+				case StatusRunning:
 					return PiscalStatus.Running;
-				case "success":
+				case StatusSuccess:
 					return PiscalStatus.Success;
 				default:
 					return PiscalStatus.Error;
@@ -106,7 +110,7 @@ namespace LeafWeb.Core.Remote
 		{
 			// get output files
 			var status = GetLeafInputStatusRaw(file);
-			if (status[0] != "success")
+			if (status[0] != StatusSuccess)
 				throw new PiscalClientException("output not available, status is " + status[0]);
 
 			var filePaths = status.Skip(1);
@@ -132,5 +136,24 @@ namespace LeafWeb.Core.Remote
 				scp.Disconnect();
 			}
 		}
+
+		public void CleanupLeafProcess(PiscalLeafInputFile file)
+		{
+			var status = GetLeafInputStatusRaw(file);
+			if (status[0] == StatusRunning)
+				throw new PiscalClientException("Trying to cleanup a running process");
+
+			using (var ssh = GetSshClient())
+			{
+				ssh.Connect();
+				var commandText = $"{RemoteScriptPath} -d {file.DirectoryName} -c";
+				var command = ssh.CreateCommand(commandText);
+				command.Execute();
+				ssh.Disconnect();
+
+				if (command.ExitStatus != 0)
+					throw new PiscalClientException(command.Error);
+			}
+		}
 	}
 }
\ No newline at end of file
diff --git a/Web/Services/PiscalQueueManager.cs b/Web/Services/PiscalQueueManager.cs
index 9b64abb..eafe954 100644
--- a/Web/Services/PiscalQueueManager.cs
+++ b/Web/Services/PiscalQueueManager.cs
@@ -21,27 +21,27 @@ namespace LeafWeb.Web.Services
 
 		public PiscalQueueManager() : this(new DataService(), new PiscalService()) {}
 
-		private static readonly object Lock = new object();
+		private static readonly object ProcessQueueLock = new object();
 
 		public void ProcessQueue()
 		{
 			var logger = LogManager.GetCurrentClassLogger();
 
-			if (Monitor.TryEnter(Lock))
+			if (Monitor.TryEnter(ProcessQueueLock))
 			{
-				logger.Trace("Process entered");
+				logger.Trace("ProcessQueue entered");
 
 				ProcessRunning(logger);
 
 				ProcessQueue(logger);
 
-				logger.Trace("Process completed");
+				logger.Trace("ProcessQueue completed");
 
-				Monitor.Exit(Lock);
+				Monitor.Exit(ProcessQueueLock);
 			}
 			else
 			{
-				logger.Trace("Process locked, queue already processing");
+				logger.Trace("ProcessQueue locked, queue already processing");
 			}
 		}
 
@@ -61,7 +61,7 @@ namespace LeafWeb.Web.Services
 				return;
 
 			logger.Info("LeafInputFile: {0}, Start", queuedFile.Id);
-			_piscalService.RunLeafInputFile(queuedFile);
+			_piscalService.Run(queuedFile);
 			_dataService.SetLeafInputFileStatus(queuedFile, LeafInputStatusType.Running);
 		}
 
@@ -70,27 +70,32 @@ namespace LeafWeb.Web.Services
 			var runningLeafInputFiles = _dataService.GetLeafInputFiles(LeafInputStatusType.Running).ToList();
 			foreach (var file in runningLeafInputFiles)
 			{
-				var status = _piscalService.GetLeafInputFileStatus(file);
+				var status = _piscalService.GetStatus(file);
 				switch (status)
 				{
 					case PiscalStatus.Running:
-						logger.Debug("LeafInputFile: {0}, {1}", file.Id, status);
+						logger.Trace("LeafInputFile: {0}, {1}", file.Id, status);
 						// continue running
 						break;
 					case PiscalStatus.Success:
 						logger.Info("LeafInputFile: {0}, {1}", file.Id, status);
 						// collect the leaf output
-						var leafOutputFiles = _piscalService.RetrieveLeafOutputFile(file).ToList();
+						var leafOutputFiles = _piscalService.RetrieveOutputFiles(file).ToList();
 						foreach (var outputFile in leafOutputFiles)
-						{
 							_dataService.AddLeafOutputFile(outputFile);
-						}
+
 						logger.Info("LeafInputFile: {0}, output files: {1}", file.Id,
 							string.Join(", ", leafOutputFiles.Select(o => o.Filename)));
+
+						// update db
 						_dataService.SetLeafInputFileStatus(file, LeafInputStatusType.Complete);
+
+						// remove working data from the server
+						logger.Info("LeafInputFile: {0}, cleanup", file.Id);
+						_piscalService.Cleanup(file);
 						break;
 					case PiscalStatus.Error:
-						logger.Error("LeafInputFile: {0}", file.Id);
+						logger.Info("LeafInputFile: {0}, error", file.Id);
 						_dataService.SetLeafInputFileStatus(file, LeafInputStatusType.Error);
 						break;
 				}
diff --git a/Web/Services/PiscalService.cs b/Web/Services/PiscalService.cs
index 4bbc77d..41ef30b 100644
--- a/Web/Services/PiscalService.cs
+++ b/Web/Services/PiscalService.cs
@@ -18,19 +18,19 @@ namespace LeafWeb.Web.Services
 		{
 		}
 
-		public void RunLeafInputFile(LeafInputFile leafInputFile)
+		public void Run(LeafInputFile leafInputFile)
 		{
 			var inputFile = new PiscalLeafInputFile(leafInputFile);
 			_piscalClient.RunLeafInputFile(inputFile);
 		}
 
-		public PiscalStatus GetLeafInputFileStatus(LeafInputFile leafInputFile)
+		public PiscalStatus GetStatus(LeafInputFile leafInputFile)
 		{
 			var inputFile = new PiscalLeafInputFile(leafInputFile);
 			return _piscalClient.GetLeafInputFileStatus(inputFile);
 		}
 
-		public IEnumerable<LeafOutputFile> RetrieveLeafOutputFile(LeafInputFile leafInputFile)
+		public IEnumerable<LeafOutputFile> RetrieveOutputFiles(LeafInputFile leafInputFile)
 		{
 			var inputFile = new PiscalLeafInputFile(leafInputFile);
 			var piscalLeafOutputFiles = _piscalClient.RetrieveLeafOutput(inputFile);
@@ -41,5 +41,11 @@ namespace LeafWeb.Web.Services
 				yield return leafOutputFile;
 			}
 		}
+
+		public void Cleanup(LeafInputFile leafInputFile)
+		{
+			var inputFile = new PiscalLeafInputFile(leafInputFile);
+			_piscalClient.CleanupLeafProcess(inputFile);
+		}
 	}
 }
\ No newline at end of file