diff --git a/src/widgets/newgrf_widget.h b/src/widgets/newgrf_widget.h
--- a/src/widgets/newgrf_widget.h
+++ b/src/widgets/newgrf_widget.h
@@ -13,6 +13,7 @@
 #define WIDGETS_NEWGRF_WIDGET_H
 
 #include "../newgrf_config.h"
+#include "../textfile_type.h"
 
 /** Widgets of the #NewGRFParametersWindow class. */
 enum NewGRFParametersWidgets {
@@ -29,14 +30,6 @@ enum NewGRFParametersWidgets {
 	WID_NP_DESCRIPTION,      ///< Multi-line description of a parameter.
 };
 
-/** Widgets of the #NewGRFTextfileWindow class. */
-enum NewGRFTextfileWidgets {
-	WID_NT_CAPTION,    ///< The caption of the window.
-	WID_NT_BACKGROUND, ///< Panel to draw the textfile on.
-	WID_NT_VSCROLLBAR, ///< Vertical scrollbar to scroll through the textfile up-and-down.
-	WID_NT_HSCROLLBAR, ///< Horizontal scrollbar to scroll through the textfile left-to-right.
-};
-
 /** Widgets of the #NewGRFWindow class. */
 enum NewGRFStateWidgets {
 	WID_NS_PRESET_LIST,       ///< Active NewGRF preset.