diff --git a/scheduler/scheduler.cc b/scheduler/scheduler.cc
index 225e484..7bdf2d6 100644
--- a/scheduler/scheduler.cc
+++ b/scheduler/scheduler.cc
@@ -114,6 +114,12 @@
   return false;
 }
 
+virtual void
+Scheduler::deleteTask(TaskPtr task)
+{
+  deleteTask (task->tag ());
+}
+
 void
 Scheduler::rescheduleTask(const Task::Tag &tag)
 {
diff --git a/scheduler/scheduler.h b/scheduler/scheduler.h
index f6f1fe8..e3487a9 100644
--- a/scheduler/scheduler.h
+++ b/scheduler/scheduler.h
@@ -60,6 +60,10 @@
   virtual bool
   addTask(const TaskPtr &task);
 
+  // delete task by task->tag, regardless of whether it's invoked or not
+  virtual void
+  deleteTask(TaskPtr task);
+  
   // delete task by tag, regardless of whether it's invoked or not
   // if no task is found, no effect
   virtual void