diff --git a/gtk/gtktexthandleprivate.h b/gtk/gtktexthandleprivate.h
index 220ee68297..ec826fd90b 100644
--- a/gtk/gtktexthandleprivate.h
+++ b/gtk/gtktexthandleprivate.h
@@ -79,9 +79,6 @@ void            _gtk_text_handle_set_visible  (GtkTextHandle         *handle,
                                                GtkTextHandlePosition  pos,
                                                gboolean               visible);
 
-void            _gtk_text_handle_set_relative_to (GtkTextHandle *handle,
-                                                  GdkWindow     *window);
-
 gboolean        _gtk_text_handle_get_is_dragged (GtkTextHandle         *handle,
                                                  GtkTextHandlePosition  pos);