diff --git a/tests/gtkoffscreenbox.c b/tests/gtkoffscreenbox.c
index 29140a1f4f..2fb20ef7db 100644
--- a/tests/gtkoffscreenbox.c
+++ b/tests/gtkoffscreenbox.c
@@ -346,9 +346,6 @@ gtk_offscreen_box_realize (GtkWidget *widget)
 		    G_CALLBACK (offscreen_window_from_parent2), offscreen_box);
 
   context = gtk_widget_get_style_context (widget);
-  gtk_style_context_set_background (context, window);
-  gtk_style_context_set_background (context, offscreen_box->offscreen_window1);
-  gtk_style_context_set_background (context, offscreen_box->offscreen_window2);
 
   gdk_window_show (offscreen_box->offscreen_window1);
   gdk_window_show (offscreen_box->offscreen_window2);