diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 5b87a3338e..b39e4d7027 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -7432,7 +7432,7 @@ _gtk_widget_captured_event (GtkWidget *widget,
 }
 
 /* Returns TRUE if a translation should be done */
-gboolean
+static gboolean
 _gtk_widget_get_translation_to_window (GtkWidget      *widget,
 				       GdkWindow      *window,
 				       int            *x,
diff --git a/gtk/gtkwidgetprivate.h b/gtk/gtkwidgetprivate.h
index aa7dba6652..4e26280c74 100644
--- a/gtk/gtkwidgetprivate.h
+++ b/gtk/gtkwidgetprivate.h
@@ -209,11 +209,6 @@ void _gtk_widget_get_preferred_size_and_baseline(GtkWidget        *widget,
                                                 gint              *natural_baseline);
 gboolean _gtk_widget_has_baseline_support (GtkWidget *widget);
 
-gboolean _gtk_widget_get_translation_to_window (GtkWidget      *widget,
-                                                GdkWindow      *window,
-                                                int            *x,
-                                                int            *y);
-
 const gchar*      _gtk_widget_get_accel_path               (GtkWidget *widget,
                                                             gboolean  *locked);