diff --git a/src/window_gui.h b/src/window_gui.h
index 4e574ec488..13e72ed9af 100644
--- a/src/window_gui.h
+++ b/src/window_gui.h
@@ -895,11 +895,6 @@ inline const NWID *Window::GetWidget(uint widnum) const
 class PickerWindowBase : public Window {
 
 public:
-	PickerWindowBase(const WindowDesc *desc, Window *parent, WindowNumber number = 0) : Window(desc, number)
-	{
-		this->parent = parent;
-	};
-
 	PickerWindowBase(Window *parent) : Window()
 	{
 		this->parent = parent;