2 files changed, 4 insertions, 1 deletions

diff --git a/native/include/schedulability.h b/native/include/schedulability.h
index 2c53d9d..08ef23d 100644
--- a/native/include/schedulability.h
+++ b/native/include/schedulability.h
@@ -6,6 +6,8 @@ class SchedulabilityTest
   public:
     virtual bool is_schedulable(const TaskSet &ts,
                                 bool check_preconditions = true) = 0;
+
+    virtual ~SchedulabilityTest() {};
 };
 
 #endif
diff --git a/native/include/schedule_sim.h b/native/include/schedule_sim.h
index ef10814..05e5e67 100644
--- a/native/include/schedule_sim.h
+++ b/native/include/schedule_sim.h
@@ -84,9 +84,10 @@ class PeriodicJobSequence : public SimJob
 {
   public:
     PeriodicJobSequence(Task& tsk) : SimJob(tsk) {};
+    virtual ~PeriodicJobSequence() {};
 
     // simulator callback
-    void completed(simtime_t when, int proc);
+    virtual void completed(simtime_t when, int proc);
 };