diff --git a/wpilibc/src/main/native/include/Commands/PIDCommand.h b/wpilibc/src/main/native/include/Commands/PIDCommand.h
index 4cc426ee44..3f86b5034c 100644
--- a/wpilibc/src/main/native/include/Commands/PIDCommand.h
+++ b/wpilibc/src/main/native/include/Commands/PIDCommand.h
@@ -32,16 +32,16 @@ class PIDCommand : public Command, public PIDOutput, public PIDSource {
   void SetSetpointRelative(double deltaSetpoint);
 
   // PIDOutput interface
-  virtual void PIDWrite(double output);
+  void PIDWrite(double output) override;
 
   // PIDSource interface
-  virtual double PIDGet();
+  double PIDGet() override;
 
  protected:
   std::shared_ptr<PIDController> GetPIDController() const;
-  virtual void _Initialize();
-  virtual void _Interrupted();
-  virtual void _End();
+  void _Initialize() override;
+  void _Interrupted() override;
+  void _End() override;
   void SetSetpoint(double setpoint);
   double GetSetpoint() const;
   double GetPosition();
diff --git a/wpilibc/src/main/native/include/Commands/PIDSubsystem.h b/wpilibc/src/main/native/include/Commands/PIDSubsystem.h
index d73aef6fd2..25089f52f2 100644
--- a/wpilibc/src/main/native/include/Commands/PIDSubsystem.h
+++ b/wpilibc/src/main/native/include/Commands/PIDSubsystem.h
@@ -42,10 +42,10 @@ class PIDSubsystem : public Subsystem, public PIDOutput, public PIDSource {
   void Disable();
 
   // PIDOutput interface
-  virtual void PIDWrite(double output);
+  void PIDWrite(double output) override;
 
   // PIDSource interface
-  virtual double PIDGet();
+  double PIDGet() override;
   void SetSetpoint(double setpoint);
   void SetSetpointRelative(double deltaSetpoint);
   void SetInputRange(double minimumInput, double maximumInput);
diff --git a/wpilibc/src/main/native/include/DigitalInput.h b/wpilibc/src/main/native/include/DigitalInput.h
index 896f5da142..7c2db1b1dc 100644
--- a/wpilibc/src/main/native/include/DigitalInput.h
+++ b/wpilibc/src/main/native/include/DigitalInput.h
@@ -37,12 +37,12 @@ class DigitalInput : public DigitalSource, public LiveWindowSendable {
   AnalogTriggerType GetAnalogTriggerTypeForRouting() const override;
   bool IsAnalogTrigger() const override;
 
-  void UpdateTable();
-  void StartLiveWindowMode();
-  void StopLiveWindowMode();
-  std::string GetSmartDashboardType() const;
-  void InitTable(std::shared_ptr<ITable> subTable);
-  std::shared_ptr<ITable> GetTable() const;
+  void UpdateTable() override;
+  void StartLiveWindowMode() override;
+  void StopLiveWindowMode() override;
+  std::string GetSmartDashboardType() const override;
+  void InitTable(std::shared_ptr<ITable> subTable) override;
+  std::shared_ptr<ITable> GetTable() const override;
 
  private:
   int m_channel;
diff --git a/wpilibc/src/main/native/include/DigitalOutput.h b/wpilibc/src/main/native/include/DigitalOutput.h
index 8431191506..28fe87ae41 100644
--- a/wpilibc/src/main/native/include/DigitalOutput.h
+++ b/wpilibc/src/main/native/include/DigitalOutput.h
@@ -46,12 +46,12 @@ class DigitalOutput : public DigitalSource,
 
   void ValueChanged(ITable* source, llvm::StringRef key,
                     std::shared_ptr<nt::Value> value, bool isNew) override;
-  void UpdateTable();
-  void StartLiveWindowMode();
-  void StopLiveWindowMode();
-  std::string GetSmartDashboardType() const;
-  void InitTable(std::shared_ptr<ITable> subTable);
-  std::shared_ptr<ITable> GetTable() const;
+  void UpdateTable() override;
+  void StartLiveWindowMode() override;
+  void StopLiveWindowMode() override;
+  std::string GetSmartDashboardType() const override;
+  void InitTable(std::shared_ptr<ITable> subTable) override;
+  std::shared_ptr<ITable> GetTable() const override;
 
  private:
   int m_channel;