diff --git a/docs/changes.txt b/docs/changes.txt
index a156283e77..74ef379423 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -111,6 +111,7 @@ All (GUI):
 wxGTK:
 
 - Implement wxTextCtrl::HitTest() for single line controls.
+- Implement wxDataViewColumn::UnsetAsSortKey().
 - Fix not showing wxInfoBar with GTK+ 3 < 3.22.29.
 - Fix the build with glib < 2.32 (e.g. CentOS 6).
 
@@ -128,6 +129,7 @@ wxMSW:
 wxOSX:
 
 - Fix dispatching pending events (and CallAfter()) in console applications.
+- Implement wxDataViewColumn::UnsetAsSortKey() (Daniel Kulp).
 
 wxQt:
 
diff --git a/include/wx/gtk/dataview.h b/include/wx/gtk/dataview.h
index 059f1dc367..4f2de40189 100644
--- a/include/wx/gtk/dataview.h
+++ b/include/wx/gtk/dataview.h
@@ -43,6 +43,7 @@ public:
 
     virtual void SetSortable( bool sortable ) wxOVERRIDE;
     virtual void SetSortOrder( bool ascending ) wxOVERRIDE;
+    virtual void UnsetAsSortKey() wxOVERRIDE;
 
     virtual void SetResizeable( bool resizable ) wxOVERRIDE;
     virtual void SetHidden( bool hidden ) wxOVERRIDE;
diff --git a/include/wx/osx/dataview.h b/include/wx/osx/dataview.h
index 64418110f9..2b958c60a4 100644
--- a/include/wx/osx/dataview.h
+++ b/include/wx/osx/dataview.h
@@ -60,6 +60,7 @@ public:
     virtual void SetMinWidth   (int minWidth);
     virtual void SetReorderable(bool reorderable);
     virtual void SetResizeable (bool resizable);
+    virtual void UnsetAsSortKey();
     virtual void SetSortable   (bool sortable);
     virtual void SetSortOrder  (bool ascending);
     virtual void SetTitle      (wxString const& title);
diff --git a/samples/dataview/dataview.cpp b/samples/dataview/dataview.cpp
index 54f3666603..9615cc2c88 100644
--- a/samples/dataview/dataview.cpp
+++ b/samples/dataview/dataview.cpp
@@ -147,6 +147,7 @@ private:
     void OnShowAttributes( wxCommandEvent &event);
 
     void OnMultipleSort( wxCommandEvent &event);
+    void OnSortByFirstColumn( wxCommandEvent &event);
 
 #if wxUSE_DRAG_AND_DROP
     void OnBeginDrag( wxDataViewEvent &event );
@@ -363,6 +364,7 @@ enum
     ID_HIDE_ATTRIBUTES  = 204,
     ID_SHOW_ATTRIBUTES  = 205,
     ID_MULTIPLE_SORT    = 206,
+    ID_SORT_BY_FIRST_COLUMN,
 
     // Fourth page.
     ID_DELETE_TREE_ITEM = 400,
@@ -407,6 +409,7 @@ wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_BUTTON( ID_HIDE_ATTRIBUTES, MyFrame::OnHideAttributes)
     EVT_BUTTON( ID_SHOW_ATTRIBUTES, MyFrame::OnShowAttributes)
     EVT_CHECKBOX( ID_MULTIPLE_SORT, MyFrame::OnMultipleSort)
+    EVT_CHECKBOX( ID_SORT_BY_FIRST_COLUMN, MyFrame::OnSortByFirstColumn)
     
     // Fourth page.
     EVT_BUTTON( ID_DELETE_TREE_ITEM, MyFrame::OnDeleteTreeItem )
@@ -559,12 +562,17 @@ MyFrame::MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int
     button_sizer2->Add( new wxButton( secondPanel, ID_ADD_MANY,    "Add 1000"),               0, wxALL, 10 );
     button_sizer2->Add( new wxButton( secondPanel, ID_HIDE_ATTRIBUTES,    "Hide attributes"), 0, wxALL, 10 );
     button_sizer2->Add( new wxButton( secondPanel, ID_SHOW_ATTRIBUTES,    "Show attributes"), 0, wxALL, 10 );
-    button_sizer2->Add( new wxCheckBox(secondPanel, ID_MULTIPLE_SORT, "Allow multisort"),
-                        wxSizerFlags().Centre().DoubleBorder() );
+
+    wxBoxSizer *sortSizer = new wxBoxSizer(wxHORIZONTAL);
+    sortSizer->Add(new wxCheckBox(secondPanel, ID_SORT_BY_FIRST_COLUMN, "Sort by first column"),
+                   wxSizerFlags().Centre().DoubleBorder());
+    sortSizer->Add(new wxCheckBox(secondPanel, ID_MULTIPLE_SORT, "Allow multisort"),
+                   wxSizerFlags().Centre().DoubleBorder());
 
     wxSizer *secondPanelSz = new wxBoxSizer( wxVERTICAL );
     secondPanelSz->Add(m_ctrl[1], 1, wxGROW|wxALL, 5);
     secondPanelSz->Add(button_sizer2);
+    secondPanelSz->Add(sortSizer);
     secondPanel->SetSizerAndFit(secondPanelSz);
 
 
@@ -1500,3 +1508,11 @@ void MyFrame::OnMultipleSort( wxCommandEvent &event )
         wxLogMessage("Sorting by multiple columns not supported");
 }
 
+void MyFrame::OnSortByFirstColumn(wxCommandEvent& event)
+{
+    wxDataViewColumn* const col = m_ctrl[1]->GetColumn(0);
+    if ( event.IsChecked() )
+        col->SetSortOrder(true /* ascending */);
+    else
+        col->UnsetAsSortKey();
+}
diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index 71f9774591..c7bd5f16c8 100644
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -3345,6 +3345,17 @@ void wxDataViewColumn::SetSortOrder( bool ascending )
     internal->SetDataViewSortColumn(this);
 }
 
+void wxDataViewColumn::UnsetAsSortKey()
+{
+    GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
+
+    gtk_tree_view_column_set_sort_indicator( column, FALSE );
+
+    wxDataViewCtrlInternal* internal = m_owner->GtkGetInternal();
+    internal->SetSortColumn(-1);
+    internal->SetDataViewSortColumn(NULL);
+}
+
 bool wxDataViewColumn::IsSortOrderAscending() const
 {
     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
diff --git a/src/osx/cocoa/dataview.mm b/src/osx/cocoa/dataview.mm
index a7ec7df23f..83b3fd9343 100644
--- a/src/osx/cocoa/dataview.mm
+++ b/src/osx/cocoa/dataview.mm
@@ -3465,6 +3465,13 @@ void wxDataViewColumn::SetResizeable(bool resizable)
         [m_NativeDataPtr->GetNativeColumnPtr() setResizingMask:NSTableColumnNoResizing];
 }
 
+void wxDataViewColumn::UnsetAsSortKey()
+{
+    NSTableColumn* const tableColumn = m_NativeDataPtr->GetNativeColumnPtr();
+    if ( tableColumn )
+        [tableColumn setSortDescriptorPrototype:nil];
+}
+
 void wxDataViewColumn::SetSortable(bool sortable)
 {
     // wxDataViewColumnBase::SetSortable(sortable);