diff --git a/degesch.c b/degesch.c
index 92863da..d4c84c1 100644
--- a/degesch.c
+++ b/degesch.c
@@ -13768,64 +13768,30 @@ init_poller_events (struct app_context *ctx)
 
 #ifdef TESTING
 
-static void
-on_test_config_foo_change (struct config_item *item)
-{
-	*(bool *) item->user_data = item->value.boolean;
-}
-
 static struct config_schema g_config_test[] =
 {
-	{ .name      = "foo",
-	  .comment   = "baz",
-	  .type      = CONFIG_ITEM_BOOLEAN,
-	  .default_  = "off",
-	  .on_change = on_test_config_foo_change },
-	{ .name      = "bar",
-	  .type      = CONFIG_ITEM_INTEGER,
-	  .validate  = config_validate_nonnegative,
-	  .default_  = "1" },
-	{ .name      = "foobar",
-	  .type      = CONFIG_ITEM_STRING,
-	  .default_  = "\"qux\"" },
+	{ .name = "foo",    .type = CONFIG_ITEM_BOOLEAN, .default_ = "off" },
+	{ .name = "bar",    .type = CONFIG_ITEM_INTEGER, .default_ = "1" },
+	{ .name = "foobar", .type = CONFIG_ITEM_STRING,  .default_ = "\"x\\x01\"" },
 	{}
 };
 
-static void
-test_config_load (struct config_item *subtree, void *user_data)
-{
-	config_schema_apply_to_object (g_config_test, subtree, user_data);
-}
-
 static void
 test_config (void)
 {
-	struct config config = config_make ();
-
-	bool b = true;
-	config_register_module (&config, "top", test_config_load, &b);
-	config_load (&config, config_item_object ());
-	config_schema_call_changed (config.root);
-	hard_assert (b == false);
-
-	struct config_item *invalid = config_item_integer (-1);
-	hard_assert (!config_item_set_from (config_item_get (config.root,
-		"top.bar", NULL), invalid, NULL));
-	config_item_destroy (invalid);
-
-	struct str s = str_make ();
-	serialize_configuration (config.root, &s);
-	config_load (&config, config_item_parse (s.str, s.len, false, NULL));
-	str_free (&s);
+	struct config_item *foo = config_item_object ();
+	config_schema_apply_to_object (g_config_test, foo, NULL);
+	struct config_item *root = config_item_object ();
+	str_map_set (&root->value.object, "top", foo);
 
 	struct strv v = strv_make ();
-	dump_matching_options (config.root, "*foo*", &v);
+	dump_matching_options (root, "*foo*", &v);
 	hard_assert (v.len == 2);
 	hard_assert (!strcmp (v.vector[0], "top.foo = off"));
-	hard_assert (!strcmp (v.vector[1], "top.foobar = \"qux\""));
+	hard_assert (!strcmp (v.vector[1], "top.foobar = \"x\\x01\""));
 	strv_free (&v);
 
-	config_free (&config);
+	config_item_destroy (root);
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
diff --git a/liberty b/liberty
index e029aae..9b72304 160000
--- a/liberty
+++ b/liberty
@@ -1 +1 @@
-Subproject commit e029aae1d3d1884ca868c3694bdec0456b3e8267
+Subproject commit 9b723049635329feda63fab675df794e429aa151