diff --git a/modules/juce_core/logging/juce_FileLogger.h b/modules/juce_core/logging/juce_FileLogger.h
index ff932a91ce..6629f851b2 100644
--- a/modules/juce_core/logging/juce_FileLogger.h
+++ b/modules/juce_core/logging/juce_FileLogger.h
@@ -114,7 +114,7 @@ public:
     static File getSystemLogFileFolder();
 
     // (implementation of the Logger virtual method)
-    void logMessage (const String&);
+    void logMessage (const String&) override;
 
     //==============================================================================
     /** This is a utility function which removes lines from the start of a text
diff --git a/modules/juce_core/streams/juce_FileInputSource.h b/modules/juce_core/streams/juce_FileInputSource.h
index 84b918512e..de4d22756f 100644
--- a/modules/juce_core/streams/juce_FileInputSource.h
+++ b/modules/juce_core/streams/juce_FileInputSource.h
@@ -45,9 +45,9 @@ public:
     /** Destructor. */
     ~FileInputSource();
 
-    InputStream* createInputStream();
-    InputStream* createInputStreamFor (const String& relatedItemPath);
-    int64 hashCode() const;
+    InputStream* createInputStream() override;
+    InputStream* createInputStreamFor (const String& relatedItemPath) override;
+    int64 hashCode() const override;
 
 private:
     //==============================================================================
diff --git a/modules/juce_core/streams/juce_URLInputSource.h b/modules/juce_core/streams/juce_URLInputSource.h
index d7bfe739ae..89f334800a 100644
--- a/modules/juce_core/streams/juce_URLInputSource.h
+++ b/modules/juce_core/streams/juce_URLInputSource.h
@@ -47,9 +47,9 @@ public:
     /** Destructor. */
     ~URLInputSource();
 
-    InputStream* createInputStream();
-    InputStream* createInputStreamFor (const String& relatedItemPath);
-    int64 hashCode() const;
+    InputStream* createInputStream() override;
+    InputStream* createInputStreamFor (const String& relatedItemPath) override;
+    int64 hashCode() const override;
 
 private:
     //==============================================================================
diff --git a/modules/juce_gui_basics/drawables/juce_DrawablePath.h b/modules/juce_gui_basics/drawables/juce_DrawablePath.h
index ff54073282..575e5c9913 100644
--- a/modules/juce_gui_basics/drawables/juce_DrawablePath.h
+++ b/modules/juce_gui_basics/drawables/juce_DrawablePath.h
@@ -67,7 +67,7 @@ public:
 
     //==============================================================================
     /** @internal */
-    Drawable* createCopy() const;
+    Drawable* createCopy() const override;
 
 private:
     //==============================================================================
diff --git a/modules/juce_gui_basics/drawables/juce_DrawableRectangle.h b/modules/juce_gui_basics/drawables/juce_DrawableRectangle.h
index a53d9b5519..d3eae4f7a8 100644
--- a/modules/juce_gui_basics/drawables/juce_DrawableRectangle.h
+++ b/modules/juce_gui_basics/drawables/juce_DrawableRectangle.h
@@ -62,7 +62,7 @@ public:
 
     //==============================================================================
     /** @internal */
-    Drawable* createCopy() const;
+    Drawable* createCopy() const override;
 
 private:
     Parallelogram<float> bounds;
diff --git a/modules/juce_gui_basics/positioning/juce_RelativeCoordinatePositioner.h b/modules/juce_gui_basics/positioning/juce_RelativeCoordinatePositioner.h
index b1ab4849ab..c534c08f4f 100644
--- a/modules/juce_gui_basics/positioning/juce_RelativeCoordinatePositioner.h
+++ b/modules/juce_gui_basics/positioning/juce_RelativeCoordinatePositioner.h
@@ -41,12 +41,12 @@ public:
     RelativeCoordinatePositionerBase (Component&);
     ~RelativeCoordinatePositionerBase();
 
-    void componentMovedOrResized (Component&, bool, bool);
-    void componentParentHierarchyChanged (Component&);
-    void componentChildrenChanged (Component&);
-    void componentBeingDeleted (Component&);
-    void markersChanged (MarkerList*);
-    void markerListBeingDeleted (MarkerList*);
+    void componentMovedOrResized (Component&, bool, bool) override;
+    void componentParentHierarchyChanged (Component&) override;
+    void componentChildrenChanged (Component&) override;
+    void componentBeingDeleted (Component&) override;
+    void markersChanged (MarkerList*) override;
+    void markerListBeingDeleted (MarkerList*) override;
 
     void apply();
 
@@ -63,9 +63,9 @@ public:
         // Suppress a VS2013 compiler warning
         ComponentScope& operator= (const ComponentScope&) = delete;
 
-        Expression getSymbolValue (const String& symbol) const;
-        void visitRelativeScope (const String& scopeName, Visitor&) const;
-        String getScopeUID() const;
+        Expression getSymbolValue (const String& symbol) const override;
+        void visitRelativeScope (const String& scopeName, Visitor&) const override;
+        String getScopeUID() const override;
 
     protected:
         Component& component;
diff --git a/modules/juce_gui_basics/positioning/juce_RelativePointPath.h b/modules/juce_gui_basics/positioning/juce_RelativePointPath.h
index ddcda84708..813d6af41f 100644
--- a/modules/juce_gui_basics/positioning/juce_RelativePointPath.h
+++ b/modules/juce_gui_basics/positioning/juce_RelativePointPath.h
@@ -99,9 +99,9 @@ public:
     {
     public:
         StartSubPath (const RelativePoint& pos);
-        void addToPath (Path& path, Expression::Scope*) const;
-        RelativePoint* getControlPoints (int& numPoints);
-        ElementBase* clone() const;
+        void addToPath (Path& path, Expression::Scope*) const override;
+        RelativePoint* getControlPoints (int& numPoints) override;
+        ElementBase* clone() const override;
 
         RelativePoint startPos;
 
@@ -115,9 +115,9 @@ public:
     {
     public:
         CloseSubPath();
-        void addToPath (Path& path, Expression::Scope*) const;
-        RelativePoint* getControlPoints (int& numPoints);
-        ElementBase* clone() const;
+        void addToPath (Path& path, Expression::Scope*) const override;
+        RelativePoint* getControlPoints (int& numPoints) override;
+        ElementBase* clone() const override;
 
     private:
         JUCE_DECLARE_NON_COPYABLE (CloseSubPath)
@@ -146,9 +146,9 @@ public:
     public:
         QuadraticTo (const RelativePoint& controlPoint, const RelativePoint& endPoint);
         ValueTree createTree() const;
-        void addToPath (Path& path, Expression::Scope*) const;
-        RelativePoint* getControlPoints (int& numPoints);
-        ElementBase* clone() const;
+        void addToPath (Path& path, Expression::Scope*) const override;
+        RelativePoint* getControlPoints (int& numPoints) override;
+        ElementBase* clone() const override;
 
         RelativePoint controlPoints[2];
 
@@ -163,9 +163,9 @@ public:
     public:
         CubicTo (const RelativePoint& controlPoint1, const RelativePoint& controlPoint2, const RelativePoint& endPoint);
         ValueTree createTree() const;
-        void addToPath (Path& path, Expression::Scope*) const;
-        RelativePoint* getControlPoints (int& numPoints);
-        ElementBase* clone() const;
+        void addToPath (Path& path, Expression::Scope*) const override;
+        RelativePoint* getControlPoints (int& numPoints) override;
+        ElementBase* clone() const override;
 
         RelativePoint controlPoints[3];
 
diff --git a/modules/juce_gui_basics/properties/juce_ButtonPropertyComponent.h b/modules/juce_gui_basics/properties/juce_ButtonPropertyComponent.h
index 66885f239a..67b85eba6c 100644
--- a/modules/juce_gui_basics/properties/juce_ButtonPropertyComponent.h
+++ b/modules/juce_gui_basics/properties/juce_ButtonPropertyComponent.h
@@ -66,7 +66,7 @@ public:
 
     //==============================================================================
     /** @internal */
-    void refresh();
+    void refresh() override;
 
 private:
     TextButton button;
diff --git a/modules/juce_gui_basics/properties/juce_SliderPropertyComponent.h b/modules/juce_gui_basics/properties/juce_SliderPropertyComponent.h
index e814fc80c6..240c5f1793 100644
--- a/modules/juce_gui_basics/properties/juce_SliderPropertyComponent.h
+++ b/modules/juce_gui_basics/properties/juce_SliderPropertyComponent.h
@@ -92,7 +92,7 @@ public:
 
     //==============================================================================
     /** @internal */
-    void refresh();
+    void refresh() override;
 
 protected:
     /** The slider component being used in this component.