diff --git a/HRDTransceiver.cpp b/HRDTransceiver.cpp
index c44914145..873c87184 100644
--- a/HRDTransceiver.cpp
+++ b/HRDTransceiver.cpp
@@ -1021,7 +1021,7 @@ QString HRDTransceiver::send_command (QString const& cmd, bool no_debug, bool pr
   if (!recurse && prepend_context)
     {
       auto radio_name = send_command ("get radio", true, current_radio_, true);
-      auto radio_iter = std::find_if (radios_.begin (), radios_.end (), [this, &radio_name] (RadioMap::value_type const& radio)
+      auto radio_iter = std::find_if (radios_.begin (), radios_.end (), [&radio_name] (RadioMap::value_type const& radio)
                                       {
                                         return std::get<1> (radio) == radio_name;
                                       });
diff --git a/qcustomplot-source/qcustomplot.h b/qcustomplot-source/qcustomplot.h
index 0b1bb274e..b79c809de 100644
--- a/qcustomplot-source/qcustomplot.h
+++ b/qcustomplot-source/qcustomplot.h
@@ -3298,7 +3298,7 @@ public:
   void setSelectionDecorator(QCPSelectionDecorator *decorator);
 
   // introduced virtual methods:
-  virtual double selectTest(const QPointF &pos, bool onlySelectable, QVariant *details=0) const = 0;
+  virtual double selectTest(const QPointF &pos, bool onlySelectable, QVariant *details=0) const Q_DECL_OVERRIDE = 0;
   virtual QCPPlottableInterface1D *interface1D() { return 0; }
   virtual QCPRange getKeyRange(bool &foundRange, QCP::SignDomain inSignDomain=QCP::sdBoth) const = 0;
   virtual QCPRange getValueRange(bool &foundRange, QCP::SignDomain inSignDomain=QCP::sdBoth, const QCPRange &inKeyRange=QCPRange()) const = 0;
@@ -3438,7 +3438,7 @@ public:
   QCPAxis *keyAxis() const { return mKeyAxis.data(); }
   QCPAxis *valueAxis() const { return mValueAxis.data(); }
   QCPAxisRect *axisRect() const;
-  virtual QPointF pixelPosition() const;
+  virtual QPointF pixelPosition() const Q_DECL_OVERRIDE;
   
   // setters:
   void setType(PositionType type);
@@ -5995,16 +5995,16 @@ public:
   void addData(double errorMinus, double errorPlus);
   
   // virtual methods of 1d plottable interface:
-  virtual int dataCount() const;
-  virtual double dataMainKey(int index) const;
-  virtual double dataSortKey(int index) const;
-  virtual double dataMainValue(int index) const;
-  virtual QCPRange dataValueRange(int index) const;
-  virtual QPointF dataPixelPosition(int index) const;
-  virtual bool sortKeyIsMainKey() const;
-  virtual QCPDataSelection selectTestRect(const QRectF &rect, bool onlySelectable) const;
-  virtual int findBegin(double sortKey, bool expandedRange=true) const;
-  virtual int findEnd(double sortKey, bool expandedRange=true) const;
+  virtual int dataCount() const Q_DECL_OVERRIDE;
+  virtual double dataMainKey(int index) const Q_DECL_OVERRIDE;
+  virtual double dataSortKey(int index) const Q_DECL_OVERRIDE;
+  virtual double dataMainValue(int index) const Q_DECL_OVERRIDE;
+  virtual QCPRange dataValueRange(int index) const Q_DECL_OVERRIDE;
+  virtual QPointF dataPixelPosition(int index) const Q_DECL_OVERRIDE;
+  virtual bool sortKeyIsMainKey() const Q_DECL_OVERRIDE;
+  virtual QCPDataSelection selectTestRect(const QRectF &rect, bool onlySelectable) const Q_DECL_OVERRIDE;
+  virtual int findBegin(double sortKey, bool expandedRange=true) const Q_DECL_OVERRIDE;
+  virtual int findEnd(double sortKey, bool expandedRange=true) const Q_DECL_OVERRIDE;
   
   // reimplemented virtual methods:
   virtual double selectTest(const QPointF &pos, bool onlySelectable, QVariant *details=0) const Q_DECL_OVERRIDE;