diff --git a/src/main/java/org/gcube/vremanagement/executor/SmartExecutorImpl.java b/src/main/java/org/gcube/vremanagement/executor/SmartExecutorImpl.java
index 97a3d7b..248a779 100644
--- a/src/main/java/org/gcube/vremanagement/executor/SmartExecutorImpl.java
+++ b/src/main/java/org/gcube/vremanagement/executor/SmartExecutorImpl.java
@@ -14,6 +14,7 @@ import org.gcube.vremanagement.executor.exception.PluginNotFoundException;
 import org.gcube.vremanagement.executor.persistence.SmartExecutorPersistenceConnector;
 import org.gcube.vremanagement.executor.plugin.PluginState;
 import org.gcube.vremanagement.executor.scheduler.SmartExecutorScheduler;
+import org.quartz.SchedulerException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -44,7 +45,15 @@ public class SmartExecutorImpl implements SmartExecutor {
 		
 		return uuid.toString();
 	}
-
+		
+	/**{@inheritDoc}*/
+	@Override
+	public void unSchedule(String executionIdentifier) throws SchedulerException {
+		SmartExecutorScheduler smartExecutorScheduler = SmartExecutorInitalizator.getSmartExecutorScheduler();
+		UUID uuid  = UUID.fromString(executionIdentifier);
+		smartExecutorScheduler.stop(uuid);
+	}
+	
 	/**{@inheritDoc}*/
 	@Override
 	@Deprecated
@@ -94,4 +103,6 @@ public class SmartExecutorImpl implements SmartExecutor {
 			throw new PluginInstanceNotFoundException();
 		}
 	}
+
+	
 }