diff --git a/src/lr-wpan/model/lr-wpan-csmaca.h b/src/lr-wpan/model/lr-wpan-csmaca.h
index 02dda0ab6..743cf48c9 100644
--- a/src/lr-wpan/model/lr-wpan-csmaca.h
+++ b/src/lr-wpan/model/lr-wpan-csmaca.h
@@ -239,6 +239,10 @@ public:
   uint8_t GetNB (void);
 
 private:
+  // Disable implicit copy constructors
+  LrWpanCsmaCa (LrWpanCsmaCa const &);
+  LrWpanCsmaCa& operator= (LrWpanCsmaCa const &);
+ 
   virtual void DoDispose (void);
 
   /**