diff --git a/examples/api/Makefile b/examples/api/Makefile
index 63b110e..6ed6b33 100644
--- a/examples/api/Makefile
+++ b/examples/api/Makefile
@@ -35,7 +35,7 @@ CXXFLAGS    += -fno-rtti
 CXXFLAGS    += -Wall -Wextra
 CXXFLAGS    += -Wctor-dtor-privacy
 CXXFLAGS    += -Wcast-align -Wpointer-arith -Wredundant-decls
-CXXFLAGS    += -Wshadow -Wcast-qual -Wcast-align -pedantic
+CXXFLAGS    += -Wshadow -Wcast-qual -Wcast-align -pedantic -Wnon-virtual-dtor
 
 # Produce debugging information (for use with gdb)
 #OPTIMIZER  = -Og
diff --git a/examples/api/moore_machine.cpp b/examples/api/moore_machine.cpp
index 02a77da..0e16d53 100644
--- a/examples/api/moore_machine.cpp
+++ b/examples/api/moore_machine.cpp
@@ -14,6 +14,10 @@ struct Switch : tinyfsm::MooreMachine<Switch>
 {
   /* pure virtual reaction (override required in all states) */
   virtual void react(Toggle const &) = 0;
+
+//  ~Switch() {
+//    std::cout << "* ~Switch()" << std::endl;
+//  }
 };
 
 
diff --git a/include/tinyfsm.hpp b/include/tinyfsm.hpp
index 5a11f8a..700c262 100644
--- a/include/tinyfsm.hpp
+++ b/include/tinyfsm.hpp
@@ -224,6 +224,17 @@ namespace tinyfsm
   template<typename F>
   struct MooreMachine : tinyfsm::Fsm<F>
   {
+    // On the one hand giving an object a virtual destructor means it
+    // will have a vtable and therefore consume 4 (or 8 on 64 bit
+    // machines) additional bytes per-object for the vptr.
+    //
+    // For a class not intended to delete through a pointer to it,
+    // there is no reason whatsoever to have a virtual destructor. It
+    // would not only waste resources, but more importantly it would
+    // give users a wrong hint.
+    //
+    //virtual ~MooreMachine() noexcept = default;
+
     virtual void entry(void) { };  /* entry actions in some states */
     void exit(void) { };           /* no exit actions */
   };