diff --git a/pressure-vessel/wrap-flatpak.c b/pressure-vessel/wrap-flatpak.c
index 20519a9afbe82f1ca7175782076f53eef2bc48e5..fbf45c5e0cf084822635360f218c09a98599b331 100644
--- a/pressure-vessel/wrap-flatpak.c
+++ b/pressure-vessel/wrap-flatpak.c
@@ -156,7 +156,7 @@ pv_wrap_check_flatpak (const char *tools_dir,
       g_auto(GStrv) filesystems = NULL;
 
       g_warning ("Using experimental Flatpak sub-sandboxing "
-                 "(requires Flatpak 1.11.x commit 1.10.1-65-g3ebf371f "
+                 "(requires Flatpak 1.11.x commit 1.10.1-80-gcb47d83b "
                  "or later)");
       subsandbox = get_subsandbox_adverb (launch_executable);
 
@@ -190,25 +190,6 @@ pv_wrap_check_flatpak (const char *tools_dir,
                      "(flatpak#4214). "
                      "The Steam Overlay will not work.");
         }
-
-      if (filesystems != NULL
-          && g_strv_contains ((const char * const *) filesystems, "/tmp"))
-        {
-          g_debug ("OK: /tmp shared with host");
-        }
-      else if (features != NULL
-               && g_strv_contains ((const char * const *) features,
-                                   "per-app-dev-shm"))
-        {
-          g_debug ("OK: assuming that per-app-ID /dev/shm (flatpak#4214) "
-                   "implies per-app-ID /tmp (flatpak#4093)");
-        }
-      else
-        {
-          g_warning ("Cannot tell whether /tmp is shared between app "
-                     "instances (flatpak#4093). "
-                     "The Steam Overlay browser might not work.");
-        }
     }
   /* Deliberately not documented: only people who are in a position
    * to run their own modified versions of Flatpak and pressure-vessel