diff --git a/src/generic/tbarsmpl.cpp b/src/generic/tbarsmpl.cpp
index e2a28f3f7e..80c03b97f1 100644
--- a/src/generic/tbarsmpl.cpp
+++ b/src/generic/tbarsmpl.cpp
@@ -164,7 +164,8 @@ wxToolBarToolBase *wxToolBarSimple::AddTool(int id,
                                   helpString1, helpString2);
 }
 
-bool wxToolBarSimple::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
+bool wxToolBarSimple::DoInsertTool(size_t WXUNUSED(pos),
+                                   wxToolBarToolBase *toolBase)
 {
     wxToolBarToolSimple *tool = (wxToolBarToolSimple *)toolBase;
 
diff --git a/src/generic/treectrl.cpp b/src/generic/treectrl.cpp
index 151c9b78d3..5055888bc7 100644
--- a/src/generic/treectrl.cpp
+++ b/src/generic/treectrl.cpp
@@ -273,7 +273,7 @@ wxTreeEvent::wxTreeEvent( wxEventType commandType, int id )
 
 wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent,
                                      const wxString& text,
-                                     wxDC& dc,
+                                     wxDC& WXUNUSED(dc),
                                      int image, int selImage,
                                      wxTreeItemData *data)
                  : m_text(text)