diff --git a/include/wx/gtk/private/treeview.h b/include/wx/gtk/private/treeview.h
new file mode 100644
index 0000000000..d029a8ff78
--- /dev/null
+++ b/include/wx/gtk/private/treeview.h
@@ -0,0 +1,62 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/gtk/private/treeview.h
+// Purpose:     Private helpers for wxGTK controls using GtkTreeView
+// Author:      Vadim Zeitlin
+// Created:     2016-02-06 (extracted from src/gtk/dataview.cpp)
+// Copyright:   (c) 2016 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _GTK_PRIVATE_TREEVIEW_H_
+#define _GTK_PRIVATE_TREEVIEW_H_
+
+// ----------------------------------------------------------------------------
+// wxGtkTreePath: RAII wrapper for GtkTreePath
+// ----------------------------------------------------------------------------
+
+// Usually this object is initialized with the associated GtkTreePath
+// immediately when it's constructed but it can also be changed later either by
+// using Assign() or by getting the pointer to the internally stored pointer
+// value using ByRef(). The latter should be avoided but is very convenient
+// when using GTK functions with GtkTreePath output parameters.
+class wxGtkTreePath
+{
+public:
+    // Ctor takes ownership of the given path and will free it if non-NULL.
+    wxGtkTreePath(GtkTreePath *path = NULL) : m_path(path) { }
+
+    // Creates a tree path for the given string path.
+    wxGtkTreePath(const gchar *strpath)
+        : m_path(gtk_tree_path_new_from_string(strpath))
+    {
+    }
+
+    // Set the stored pointer if not done by ctor.
+    void Assign(GtkTreePath *path)
+    {
+        wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
+
+        m_path = path;
+    }
+
+    // Return the pointer to the internally stored pointer. This should only be
+    // used to initialize the object by passing it to some GTK function.
+    GtkTreePath **ByRef()
+    {
+        wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
+
+        return &m_path;
+    }
+
+
+    operator GtkTreePath *() const { return m_path; }
+
+    ~wxGtkTreePath() { if ( m_path ) gtk_tree_path_free(m_path); }
+
+private:
+    GtkTreePath *m_path;
+
+    wxDECLARE_NO_COPY_CLASS(wxGtkTreePath);
+};
+
+#endif // _GTK_PRIVATE_TREEVIEW_H_
diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index 054a8e888f..3455a205b0 100644
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -38,6 +38,7 @@
 #include "wx/gtk/private/gdkconv.h"
 #include "wx/gtk/private/gtk2-compat.h"
 #include "wx/gtk/private/list.h"
+#include "wx/gtk/private/treeview.h"
 using namespace wxGTKImpl;
 
 class wxGtkDataViewModelNotifier;
@@ -59,55 +60,6 @@ extern "C" {
 typedef struct _GtkWxTreeModel       GtkWxTreeModel;
 }
 
-// ----------------------------------------------------------------------------
-// wxGtkTreePath: self-destroying GtkTreePath
-// ----------------------------------------------------------------------------
-
-// Usually this object is initialized with the associated GtkTreePath
-// immediately when it's constructed but it can also be changed later either by
-// using Assign() or by getting the pointer to the internally stored pointer
-// value using ByRef(). The latter should be avoided but is very convenient
-// when using GTK functions with GtkTreePath output parameters.
-class wxGtkTreePath
-{
-public:
-    // Ctor takes ownership of the given path and will free it if non-NULL.
-    wxGtkTreePath(GtkTreePath *path = NULL) : m_path(path) { }
-
-    // Creates a tree path for the given string path.
-    wxGtkTreePath(const gchar *strpath)
-        : m_path(gtk_tree_path_new_from_string(strpath))
-    {
-    }
-
-    // Set the stored pointer if not done by ctor.
-    void Assign(GtkTreePath *path)
-    {
-        wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
-
-        m_path = path;
-    }
-
-    // Return the pointer to the internally stored pointer. This should only be
-    // used to initialize the object by passing it to some GTK function.
-    GtkTreePath **ByRef()
-    {
-        wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
-
-        return &m_path;
-    }
-
-
-    operator GtkTreePath *() const { return m_path; }
-
-    ~wxGtkTreePath() { if ( m_path ) gtk_tree_path_free(m_path); }
-
-private:
-    GtkTreePath *m_path;
-
-    wxDECLARE_NO_COPY_CLASS(wxGtkTreePath);
-};
-
 // ----------------------------------------------------------------------------
 // wxGtkTreePathList: self-destroying list of GtkTreePath objects.
 // ----------------------------------------------------------------------------