diff --git a/pvDataApp/misc/StatusCreateFactory.cpp b/pvDataApp/misc/StatusCreateFactory.cpp
index a87563a..80f5013 100644
--- a/pvDataApp/misc/StatusCreateFactory.cpp
+++ b/pvDataApp/misc/StatusCreateFactory.cpp
@@ -67,7 +67,7 @@ class StatusImpl : public Status
         totalConstruct++;
     }
     
-    ~StatusImpl() {
+    virtual ~StatusImpl() {
         Lock xx(globalMutex);
         totalDestruct++;
     }
diff --git a/pvDataApp/misc/destroyable.h b/pvDataApp/misc/destroyable.h
index 0f5b7ed..e709e67 100644
--- a/pvDataApp/misc/destroyable.h
+++ b/pvDataApp/misc/destroyable.h
@@ -20,11 +20,11 @@ namespace epics { namespace pvData {
              */
             virtual void destroy() = 0;
             
-            private:
+            protected:
             /**
-             * Do not allow delete on this instance.
+             * Do not allow delete on this instance and derived classes, destroy() must be used instead.
              */ 
-            //~Destroyable() {};
+            virtual ~Destroyable() {};
         };
 
 }}
diff --git a/pvDataApp/misc/status.h b/pvDataApp/misc/status.h
index 0334acd..588e8d1 100644
--- a/pvDataApp/misc/status.h
+++ b/pvDataApp/misc/status.h
@@ -35,7 +35,8 @@ namespace epics { namespace pvData {
          */
         class Status : public epics::pvData::Serializable {
             public:
-
+            virtual ~Status() {};
+            
             /**
              * Get status type.
              * @return status type, non-<code>null</code>.