diff --git a/src/management/nfd-control-command.cpp b/src/management/nfd-control-command.cpp
index 307810d..88db4f9 100644
--- a/src/management/nfd-control-command.cpp
+++ b/src/management/nfd-control-command.cpp
@@ -31,6 +31,8 @@
 {
 }
 
+ControlCommand::~ControlCommand() = default;
+
 void
 ControlCommand::validateRequest(const ControlParameters& parameters) const
 {
diff --git a/src/management/nfd-control-command.hpp b/src/management/nfd-control-command.hpp
index 48a05ee..dfe876b 100644
--- a/src/management/nfd-control-command.hpp
+++ b/src/management/nfd-control-command.hpp
@@ -47,6 +47,9 @@
     }
   };
 
+  virtual
+  ~ControlCommand();
+
   /** \brief validate request parameters
    *  \throw ArgumentError if parameters are invalid
    */
@@ -142,12 +145,13 @@
   FaceCreateCommand();
 
   virtual void
-  applyDefaultsToRequest(ControlParameters& parameters) const;
+  applyDefaultsToRequest(ControlParameters& parameters) const override;
 
   virtual void
-  validateResponse(const ControlParameters& parameters) const;
+  validateResponse(const ControlParameters& parameters) const override;
 };
 
+
 /**
  * \ingroup management
  * \brief represents a faces/update command
@@ -159,12 +163,13 @@
   FaceUpdateCommand();
 
   virtual void
-  validateRequest(const ControlParameters& parameters) const;
+  validateRequest(const ControlParameters& parameters) const override;
 
   virtual void
-  validateResponse(const ControlParameters& parameters) const;
+  validateResponse(const ControlParameters& parameters) const override;
 };
 
+
 /**
  * \ingroup management
  * \brief represents a faces/destroy command
@@ -176,12 +181,13 @@
   FaceDestroyCommand();
 
   virtual void
-  validateRequest(const ControlParameters& parameters) const;
+  validateRequest(const ControlParameters& parameters) const override;
 
   virtual void
-  validateResponse(const ControlParameters& parameters) const;
+  validateResponse(const ControlParameters& parameters) const override;
 };
 
+
 /**
  * \ingroup management
  * \brief Base class for faces/[*]-local-control commands
@@ -190,10 +196,10 @@
 {
 public:
   virtual void
-  validateRequest(const ControlParameters& parameters) const;
+  validateRequest(const ControlParameters& parameters) const override;
 
   virtual void
-  validateResponse(const ControlParameters& parameters) const;
+  validateResponse(const ControlParameters& parameters) const override;
 
 protected:
   explicit
@@ -236,10 +242,10 @@
   FibAddNextHopCommand();
 
   virtual void
-  applyDefaultsToRequest(ControlParameters& parameters) const;
+  applyDefaultsToRequest(ControlParameters& parameters) const override;
 
   virtual void
-  validateResponse(const ControlParameters& parameters) const;
+  validateResponse(const ControlParameters& parameters) const override;
 };
 
 
@@ -254,10 +260,10 @@
   FibRemoveNextHopCommand();
 
   virtual void
-  applyDefaultsToRequest(ControlParameters& parameters) const;
+  applyDefaultsToRequest(ControlParameters& parameters) const override;
 
   virtual void
-  validateResponse(const ControlParameters& parameters) const;
+  validateResponse(const ControlParameters& parameters) const override;
 };
 
 
@@ -284,10 +290,10 @@
   StrategyChoiceUnsetCommand();
 
   virtual void
-  validateRequest(const ControlParameters& parameters) const;
+  validateRequest(const ControlParameters& parameters) const override;
 
   virtual void
-  validateResponse(const ControlParameters& parameters) const;
+  validateResponse(const ControlParameters& parameters) const override;
 };
 
 
@@ -302,10 +308,10 @@
   RibRegisterCommand();
 
   virtual void
-  applyDefaultsToRequest(ControlParameters& parameters) const;
+  applyDefaultsToRequest(ControlParameters& parameters) const override;
 
   virtual void
-  validateResponse(const ControlParameters& parameters) const;
+  validateResponse(const ControlParameters& parameters) const override;
 };
 
 
@@ -320,10 +326,10 @@
   RibUnregisterCommand();
 
   virtual void
-  applyDefaultsToRequest(ControlParameters& parameters) const;
+  applyDefaultsToRequest(ControlParameters& parameters) const override;
 
   virtual void
-  validateResponse(const ControlParameters& parameters) const;
+  validateResponse(const ControlParameters& parameters) const override;
 };
 
 } // namespace nfd