diff --git a/pyface/ui/wx/action/status_bar_manager.py b/pyface/ui/wx/action/status_bar_manager.py
index a2e514835..9bb69d540 100644
--- a/pyface/ui/wx/action/status_bar_manager.py
+++ b/pyface/ui/wx/action/status_bar_manager.py
@@ -50,7 +50,7 @@ def create_status_bar(self, parent):
 
         return self.status_bar
 
-    def destroy(self, parent):
+    def destroy(self):
         """ Removes a status bar. """
 
         if self.status_bar is not None:
diff --git a/pyface/ui/wx/application_window.py b/pyface/ui/wx/application_window.py
index cfc54c3c7..4db3f68a9 100644
--- a/pyface/ui/wx/application_window.py
+++ b/pyface/ui/wx/application_window.py
@@ -222,7 +222,7 @@ def _status_bar_manager_changed(self, old, new):
         if self.control is not None:
             if old is not None:
                 self.control.SetStatusBar(None)
-                old.destroy(self.control)
+                old.destroy()
             self._create_status_bar(self.control)
 
     @observe("tool_bar_manager, tool_bar_managers.items")