diff --git a/libxfce4ui/xfce-spawn.c b/libxfce4ui/xfce-spawn.c
index b4946d3..d2021b5 100644
--- a/libxfce4ui/xfce-spawn.c
+++ b/libxfce4ui/xfce-spawn.c
@@ -359,16 +359,9 @@ xfce_spawn_on_screen_with_child_watch (GdkScreen    *screen,
   cenvp = g_new0 (gchar *, n + 3);
   for (n_cenvp = n = 0; envp[n] != NULL; ++n)
     {
-      if (strncmp (envp[n], "DESKTOP_STARTUP_ID", 18) != 0
-          && strncmp (envp[n], "DISPLAY", 7) != 0)
         cenvp[n_cenvp++] = g_strdup (envp[n]);
     }
 
-  /* add the real display name for the screen */
-  display_name = gdk_screen_make_display_name (screen);
-  cenvp[n_cenvp++] = g_strconcat ("DISPLAY=", display_name, NULL);
-  g_free (display_name);
-
 #ifdef HAVE_LIBSTARTUP_NOTIFICATION
   /* initialize the sn launcher context */
   if (G_LIKELY (startup_notify))