diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 26528909ec..4d714b2544 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -10627,7 +10627,7 @@ gtk_widget_get_screen_unchecked (GtkWidget *widget)
   if (_gtk_widget_is_toplevel (toplevel))
     {
       if (GTK_IS_WINDOW (toplevel))
-	return gtk_window_get_screen (GTK_WINDOW (toplevel));
+	return _gtk_window_get_screen (GTK_WINDOW (toplevel));
       else if (GTK_IS_INVISIBLE (toplevel))
 	return gtk_invisible_get_screen (GTK_INVISIBLE (widget));
     }
@@ -12402,21 +12402,6 @@ gtk_widget_real_adjust_baseline_request (GtkWidget         *widget,
     }
 }
 
-/**
- * _gtk_widget_peek_request_cache:
- *
- * Returns the address of the widget’s request cache (strictly for
- * internal use in gtksizerequest.c)
- *
- * Returns: the address of @widget’s size request cache.
- **/
-gpointer
-_gtk_widget_peek_request_cache (GtkWidget *widget)
-{
-  /* Don't bother slowing things down with the return_if_fail guards here */
-  return &widget->priv->requests;
-}
-
 static gboolean
 is_my_window (GtkWidget *widget,
               GdkWindow *window)
diff --git a/gtk/gtkwidgetprivate.h b/gtk/gtkwidgetprivate.h
index 82f15a3a84..68488064b1 100644
--- a/gtk/gtkwidgetprivate.h
+++ b/gtk/gtkwidgetprivate.h
@@ -248,7 +248,7 @@ void              _gtk_widget_synthesize_crossing          (GtkWidget       *fro
                                                             GdkDevice       *device,
                                                             GdkCrossingMode  mode);
 
-gpointer          _gtk_widget_peek_request_cache           (GtkWidget *widget);
+static inline gpointer _gtk_widget_peek_request_cache           (GtkWidget *widget);
 
 void              _gtk_widget_buildable_finish_accelerator (GtkWidget *widget,
                                                             GtkWidget *toplevel,
@@ -368,6 +368,12 @@ _gtk_widget_get_style_context (GtkWidget *widget)
   return gtk_widget_get_style_context (widget);
 }
 
+static inline gpointer
+_gtk_widget_peek_request_cache (GtkWidget *widget)
+{
+  return &widget->priv->requests;
+}
+
 G_END_DECLS
 
 #endif /* __GTK_WIDGET_PRIVATE_H__ */