diff --git a/src/cocoa/toplevel.mm b/src/cocoa/toplevel.mm
index 26367980fc..1a5379ff52 100644
--- a/src/cocoa/toplevel.mm
+++ b/src/cocoa/toplevel.mm
@@ -332,7 +332,7 @@ void wxTopLevelWindowCocoa::OnCloseWindow(wxCloseEvent& event)
 // wxTopLevelWindowCocoa misc
 // ----------------------------------------------------------------------------
 
-void wxTopLevelWindowCocoa::SetTitle( const wxString& WXUNUSED(title))
+void wxTopLevelWindowCocoa::SetTitle(const wxString& title)
 {
     [m_cocoaNSWindow setTitle:wxNSStringWithWxString(title)];
 }