1 files changed, 5 insertions, 2 deletions
diff --git a/src/ui/widget/unit-tracker.h b/src/ui/widget/unit-tracker.h
index 61bb556ef..06245930e 100644
--- a/src/ui/widget/unit-tracker.h
+++ b/src/ui/widget/unit-tracker.h
@@ -16,13 +16,16 @@
 #define INKSCAPE_UI_WIDGET_UNIT_TRACKER_H
 
 #include <map>
-#include <gtk/gtk.h>
-
 #include "util/units.h"
 
 using Inkscape::Util::Unit;
 using Inkscape::Util::UnitType;
 
+typedef struct _GObject       GObject;
+typedef struct _GtkAction     GtkAction;
+typedef struct _GtkAdjustment GtkAdjustment;
+typedef struct _GtkListStore  GtkListStore;
+
 namespace Inkscape {
 namespace UI {
 namespace Widget {