diff --git a/docs/reference/gdk/gdk4-sections.txt b/docs/reference/gdk/gdk4-sections.txt
index c63435afd2..bd54e63087 100644
--- a/docs/reference/gdk/gdk4-sections.txt
+++ b/docs/reference/gdk/gdk4-sections.txt
@@ -289,7 +289,6 @@ gdk_window_get_scale_factor
 gdk_window_set_opaque_region
 gdk_window_create_gl_context
 gdk_window_create_vulkan_context
-gdk_window_mark_paint_from_clip
 
 <SUBSECTION>
 gdk_window_get_clip_region
diff --git a/gdk/gdkwindow.h b/gdk/gdkwindow.h
index 62f3490c88..9e2a30de60 100644
--- a/gdk/gdkwindow.h
+++ b/gdk/gdkwindow.h
@@ -587,11 +587,6 @@ cairo_region_t *gdk_window_get_clip_region  (GdkWindow          *window);
 GDK_AVAILABLE_IN_ALL
 cairo_region_t *gdk_window_get_visible_region(GdkWindow         *window);
 
-
-GDK_AVAILABLE_IN_3_16
-void	      gdk_window_mark_paint_from_clip (GdkWindow          *window,
-					       cairo_t            *cr);
-
 GDK_AVAILABLE_IN_3_90
 GdkDrawingContext *gdk_window_begin_draw_frame  (GdkWindow            *window,
                                                  GdkDrawContext       *context,