diff --git a/src/window_gui.h b/src/window_gui.h
--- a/src/window_gui.h
+++ b/src/window_gui.h
@@ -127,7 +127,7 @@ extern Window *_focused_window;
 struct WindowDesc : ZeroedMemoryAllocator {
 
 	WindowDesc(int16 left, int16 top, int16 min_width, int16 min_height, int16 def_width, int16 def_height,
-			WindowClass window_class, WindowClass parent_class, uint32 flags, const Widget *widgets,
+			WindowClass window_class, WindowClass parent_class, uint32 flags,
 			const NWidgetPart *nwid_parts = NULL, int16 nwid_length = 0);
 
 	~WindowDesc();
@@ -141,7 +141,6 @@ struct WindowDesc : ZeroedMemoryAllocato
 	WindowClass cls;               ///< Class of the window, @see WindowClass.
 	WindowClass parent_cls;        ///< Class of the parent window. @see WindowClass
 	uint32 flags;                  ///< Flags. @see WindowDefaultFlags
-	const Widget *widgets;         ///< List of widgets with their position and size for the window.
 	const NWidgetPart *nwid_parts; ///< Nested widget parts describing the window.
 	int16 nwid_length;             ///< Length of the #nwid_parts array.
 	mutable Widget *new_widgets;   ///< Widgets generated from #nwid_parts.