diff --git a/src/core/model/simulator.h b/src/core/model/simulator.h
index ff56a9c6a..fd704cd79 100644
--- a/src/core/model/simulator.h
+++ b/src/core/model/simulator.h
@@ -68,7 +68,7 @@ class Scheduler;
 class Simulator
 {
 public:
-  // Delete copy constructor and assignment operator to avoid misuse
+  // Delete default constructor and destructor to avoid misuse
   Simulator () = delete;
   ~Simulator () = delete;
 
diff --git a/src/internet/helper/ipv4-list-routing-helper.h b/src/internet/helper/ipv4-list-routing-helper.h
index c7ec8cdc0..384d7888d 100644
--- a/src/internet/helper/ipv4-list-routing-helper.h
+++ b/src/internet/helper/ipv4-list-routing-helper.h
@@ -55,7 +55,7 @@ public:
    */
   Ipv4ListRoutingHelper (const Ipv4ListRoutingHelper &o);
 
-  // Delete copy constructor and assignment operator to avoid misuse
+  // Delete assignment operator to avoid misuse
   Ipv4ListRoutingHelper &operator= (const Ipv4ListRoutingHelper &) = delete;
 
   /**