diff --git a/include/wx/bookctrl.h b/include/wx/bookctrl.h
index fbb493ebe5..66704cb9a1 100644
--- a/include/wx/bookctrl.h
+++ b/include/wx/bookctrl.h
@@ -141,7 +141,10 @@ public:
     wxSize GetControllerSize() const;
 
     // calculate the size of the control from the size of its page
-    virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const = 0;
+    //
+    // by default this simply returns size enough to fit both the page and the
+    // controller
+    virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const;
 
     // get/set size of area between book control area and page area
     unsigned int GetInternalBorder() const { return m_internalBorder; }
diff --git a/include/wx/choicebk.h b/include/wx/choicebk.h
index ed7ff2bd7c..76a0387392 100644
--- a/include/wx/choicebk.h
+++ b/include/wx/choicebk.h
@@ -70,7 +70,6 @@ public:
     virtual wxString GetPageText(size_t n) const;
     virtual int GetPageImage(size_t n) const;
     virtual bool SetPageImage(size_t n, int imageId);
-    virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const;
     virtual bool InsertPage(size_t n,
                             wxWindow *page,
                             const wxString& text,
diff --git a/include/wx/listbook.h b/include/wx/listbook.h
index b1fb9a73a8..a4d1d31c17 100644
--- a/include/wx/listbook.h
+++ b/include/wx/listbook.h
@@ -71,7 +71,6 @@ public:
     virtual wxString GetPageText(size_t n) const;
     virtual int GetPageImage(size_t n) const;
     virtual bool SetPageImage(size_t n, int imageId);
-    virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const;
     virtual bool InsertPage(size_t n,
                             wxWindow *page,
                             const wxString& text,
diff --git a/include/wx/toolbook.h b/include/wx/toolbook.h
index 52e1de2a7e..c35c4c7ab1 100644
--- a/include/wx/toolbook.h
+++ b/include/wx/toolbook.h
@@ -75,7 +75,6 @@ public:
     virtual wxString GetPageText(size_t n) const;
     virtual int GetPageImage(size_t n) const;
     virtual bool SetPageImage(size_t n, int imageId);
-    virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const;
     virtual bool InsertPage(size_t n,
                             wxWindow *page,
                             const wxString& text,
diff --git a/include/wx/treebook.h b/include/wx/treebook.h
index c9b9b625e0..db31922384 100644
--- a/include/wx/treebook.h
+++ b/include/wx/treebook.h
@@ -131,7 +131,6 @@ public:
     virtual wxString GetPageText(size_t n) const;
     virtual int GetPageImage(size_t n) const;
     virtual bool SetPageImage(size_t n, int imageId);
-    virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const;
     virtual int SetSelection(size_t n) { return DoSetSelection(n, SetSelection_SendEvent); }
     virtual int ChangeSelection(size_t n) { return DoSetSelection(n); }
     virtual int HitTest(const wxPoint& pt, long *flags = NULL) const;
diff --git a/src/common/bookctrl.cpp b/src/common/bookctrl.cpp
index da06cdafeb..cfc13b78a3 100644
--- a/src/common/bookctrl.cpp
+++ b/src/common/bookctrl.cpp
@@ -137,6 +137,28 @@ void wxBookCtrlBase::DoInvalidateBestSize()
         wxControl::InvalidateBestSize();
 }
 
+wxSize wxBookCtrlBase::CalcSizeFromPage(const wxSize& sizePage) const
+{
+    // we need to add the size of the choice control and the border between
+    const wxSize sizeController = GetControllerSize();
+
+    wxSize size = sizePage;
+    if ( IsVertical() )
+    {
+        if ( sizeController.x > sizePage.x )
+            size.x = sizeController.x;
+        size.y += sizeController.y + GetInternalBorder();
+    }
+    else // left/right aligned
+    {
+        size.x += sizeController.x + GetInternalBorder();
+        if ( sizeController.y > sizePage.y )
+            size.y = sizeController.y;
+    }
+
+    return size;
+}
+
 void wxBookCtrlBase::SetPageSize(const wxSize& size)
 {
     SetClientSize(CalcSizeFromPage(size));
diff --git a/src/generic/choicbkg.cpp b/src/generic/choicbkg.cpp
index 724c0a4215..5687ef5c09 100644
--- a/src/generic/choicbkg.cpp
+++ b/src/generic/choicbkg.cpp
@@ -111,33 +111,6 @@ wxChoicebook::Create(wxWindow *parent,
     return true;
 }
 
-// ----------------------------------------------------------------------------
-// wxChoicebook geometry management
-// ----------------------------------------------------------------------------
-
-wxSize wxChoicebook::CalcSizeFromPage(const wxSize& sizePage) const
-{
-    // we need to add the size of the choice control and the border between
-    const wxSize sizeChoice = GetControllerSize();
-
-    wxSize size = sizePage;
-    if ( IsVertical() )
-    {
-        if ( sizeChoice.x > sizePage.x )
-            size.x = sizeChoice.x;
-        size.y += sizeChoice.y + GetInternalBorder();
-    }
-    else // left/right aligned
-    {
-        size.x += sizeChoice.x + GetInternalBorder();
-        if ( sizeChoice.y > sizePage.y )
-            size.y = sizeChoice.y;
-    }
-
-    return size;
-}
-
-
 // ----------------------------------------------------------------------------
 // accessing the pages
 // ----------------------------------------------------------------------------
diff --git a/src/generic/listbkg.cpp b/src/generic/listbkg.cpp
index 5df5de104a..f829305777 100644
--- a/src/generic/listbkg.cpp
+++ b/src/generic/listbkg.cpp
@@ -208,24 +208,6 @@ int wxListbook::HitTest(const wxPoint& pt, long *flags) const
     return pagePos;
 }
 
-wxSize wxListbook::CalcSizeFromPage(const wxSize& sizePage) const
-{
-    // we need to add the size of the list control and the border between
-    const wxSize sizeList = GetControllerSize();
-
-    wxSize size = sizePage;
-    if ( IsVertical() )
-    {
-        size.y += sizeList.y + GetInternalBorder();
-    }
-    else // left/right aligned
-    {
-        size.x += sizeList.x + GetInternalBorder();
-    }
-
-    return size;
-}
-
 void wxListbook::UpdateSize()
 {
     // we should find a more elegant way to force a layout than generating this
diff --git a/src/generic/toolbkg.cpp b/src/generic/toolbkg.cpp
index ae2dbbe36d..b88e45b9cd 100644
--- a/src/generic/toolbkg.cpp
+++ b/src/generic/toolbkg.cpp
@@ -137,24 +137,6 @@ void wxToolbook::OnSize(wxSizeEvent& event)
     wxBookCtrlBase::OnSize(event);
 }
 
-wxSize wxToolbook::CalcSizeFromPage(const wxSize& sizePage) const
-{
-    // we need to add the size of the list control and the border between
-    const wxSize sizeToolBar = GetControllerSize();
-
-    wxSize size = sizePage;
-    if ( IsVertical() )
-    {
-        size.y += sizeToolBar.y + GetInternalBorder();
-    }
-    else // left/right aligned
-    {
-        size.x += sizeToolBar.x + GetInternalBorder();
-    }
-
-    return size;
-}
-
 // ----------------------------------------------------------------------------
 // accessing the pages
 // ----------------------------------------------------------------------------
diff --git a/src/generic/treebkg.cpp b/src/generic/treebkg.cpp
index ab44d27257..5cb6d44cc8 100644
--- a/src/generic/treebkg.cpp
+++ b/src/generic/treebkg.cpp
@@ -556,16 +556,6 @@ bool wxTreebook::SetPageImage(size_t n, int imageId)
     return true;
 }
 
-wxSize wxTreebook::CalcSizeFromPage(const wxSize& sizePage) const
-{
-    const wxSize sizeTree = GetControllerSize();
-
-    wxSize size = sizePage;
-    size.x += sizeTree.x;
-
-    return size;
-}
-
 int wxTreebook::GetSelection() const
 {
    return m_selection;