3 files changed, 9 insertions, 0 deletions
diff --git a/chart2/source/controller/inc/DrawViewWrapper.hxx b/chart2/source/controller/inc/DrawViewWrapper.hxx
index fda4898f274c..fb1ce41ee9ff 100644
--- a/chart2/source/controller/inc/DrawViewWrapper.hxx
+++ b/chart2/source/controller/inc/DrawViewWrapper.hxx
@@ -49,6 +49,9 @@ class MarkHandleProvider
 public:
     virtual bool getMarkHandles( SdrHdlList& rHdlList ) =0;
     virtual bool getFrameDragSingles() =0;
+
+protected:
+    ~MarkHandleProvider() {}
 };
 
 class DrawViewWrapper : public E3dView
diff --git a/chart2/source/controller/inc/RangeSelectionListener.hxx b/chart2/source/controller/inc/RangeSelectionListener.hxx
index d0a4f97bfbad..70886493d23e 100644
--- a/chart2/source/controller/inc/RangeSelectionListener.hxx
+++ b/chart2/source/controller/inc/RangeSelectionListener.hxx
@@ -41,6 +41,9 @@ class RangeSelectionListenerParent
 public:
     virtual void listeningFinished( const ::rtl::OUString & rNewRange ) = 0;
     virtual void disposingRangeSelection() = 0;
+
+protected:
+    ~RangeSelectionListenerParent() {}
 };
 
 // ----------------------------------------
diff --git a/chart2/source/controller/inc/TabPageNotifiable.hxx b/chart2/source/controller/inc/TabPageNotifiable.hxx
index e34de6eee76a..b3771dbc1848 100644
--- a/chart2/source/controller/inc/TabPageNotifiable.hxx
+++ b/chart2/source/controller/inc/TabPageNotifiable.hxx
@@ -44,6 +44,9 @@ class TabPageNotifiable
 public:
     virtual void setInvalidPage( TabPage * pTabPage ) = 0;
     virtual void setValidPage( TabPage * pTabPage ) = 0;
+
+protected:
+    ~TabPageNotifiable() {}
 };
 
 } //  namespace chart