diff --git a/src/tests/test-runner.c b/src/tests/test-runner.c
index 84c3f8a84..343865952 100644
--- a/src/tests/test-runner.c
+++ b/src/tests/test-runner.c
@@ -37,7 +37,6 @@
 typedef struct {
   GHashTable *clients;
   AsyncWaiter *waiter;
-  guint log_handler_id;
   GString *warning_messages;
   GMainLoop *loop;
 } TestCase;
@@ -62,49 +61,11 @@ test_case_alarm_filter (MetaX11Display        *x11_display,
   return FALSE;
 }
 
-static gboolean
-test_case_check_warnings (TestCase *test,
-                          GError  **error)
-{
-  if (test->warning_messages != NULL)
-    {
-      g_set_error (error, TEST_RUNNER_ERROR, TEST_RUNNER_ERROR_RUNTIME_ERROR,
-                   "Warning messages:\n   %s", test->warning_messages->str);
-      g_string_free (test->warning_messages, TRUE);
-      test->warning_messages = NULL;
-      return FALSE;
-    }
-
-  return TRUE;
-}
-
-static void
-test_case_log_func (const gchar   *log_domain,
-                    GLogLevelFlags log_level,
-                    const gchar   *message,
-                    gpointer       user_data)
-{
-  TestCase *test = user_data;
-
-  if (test->warning_messages == NULL)
-    test->warning_messages = g_string_new (message);
-  else
-    {
-      g_string_append (test->warning_messages, "\n   ");
-      g_string_append (test->warning_messages, message);
-    }
-}
-
 static TestCase *
 test_case_new (void)
 {
   TestCase *test = g_new0 (TestCase, 1);
 
-  test->log_handler_id = g_log_set_handler ("mutter",
-                                            G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING,
-                                            test_case_log_func,
-                                            test);
-
   meta_x11_display_set_alarm_filter (meta_get_display ()->x11_display,
                                      test_case_alarm_filter, test);
 
@@ -529,7 +490,7 @@ test_case_do (TestCase *test,
       BAD_COMMAND("Unknown command %s", argv[0]);
     }
 
-  return test_case_check_warnings (test, error);
+  return TRUE;
 }
 
 static gboolean
@@ -557,9 +518,6 @@ test_case_destroy (TestCase *test,
   if (!test_case_assert_stacking (test, NULL, 0, error))
     return FALSE;
 
-  if (!test_case_check_warnings (test, error))
-    return FALSE;
-
   g_hash_table_iter_init (&iter, test->clients);
   while (g_hash_table_iter_next (&iter, &key, &value))
     test_client_destroy (value);
@@ -572,8 +530,6 @@ test_case_destroy (TestCase *test,
   g_hash_table_destroy (test->clients);
   g_free (test);
 
-  g_log_remove_handler ("mutter", test->log_handler_id);
-
   return TRUE;
 }
 
@@ -795,7 +751,7 @@ main (int argc, char **argv)
 
   g_option_context_free (ctx);
 
-  test_init (argc, argv);
+  test_init (&argc, &argv);
 
   GPtrArray *tests = g_ptr_array_new ();
 
diff --git a/src/tests/test-utils.c b/src/tests/test-utils.c
index 3df98f305..5faaaa781 100644
--- a/src/tests/test-utils.c
+++ b/src/tests/test-utils.c
@@ -58,12 +58,15 @@ G_DEFINE_QUARK (test-runner-error-quark, test_runner_error)
 static char *test_client_path;
 
 void
-test_init (int    argc,
-           char **argv)
+test_init (int    *argc,
+           char ***argv)
 {
   char *basename = g_path_get_basename (argv[0]);
   char *dirname = g_path_get_dirname (argv[0]);
 
+  g_test_init (argc, argv, NULL);
+  g_test_bug_base ("http://bugzilla.gnome.org/show_bug.cgi?id=");
+
   if (g_str_has_prefix (basename, "lt-"))
     test_client_path = g_build_filename (dirname,
                                          "../mutter-test-client", NULL);
diff --git a/src/tests/test-utils.h b/src/tests/test-utils.h
index db11fea6e..5dfec8367 100644
--- a/src/tests/test-utils.h
+++ b/src/tests/test-utils.h
@@ -40,8 +40,8 @@ GQuark test_runner_error_quark (void);
 typedef struct _AsyncWaiter AsyncWaiter;
 typedef struct _TestClient TestClient;
 
-void test_init (int    argc,
-                char **argv);
+void test_init (int    *argc,
+                char ***argv);
 
 gboolean async_waiter_alarm_filter (AsyncWaiter           *waiter,
                                     MetaX11Display        *x11_display,
diff --git a/src/tests/unit-tests.c b/src/tests/unit-tests.c
index ade759948..50ec89dc5 100644
--- a/src/tests/unit-tests.c
+++ b/src/tests/unit-tests.c
@@ -241,9 +241,6 @@ run_tests (gpointer data)
 static void
 init_tests (int argc, char **argv)
 {
-  g_test_init (&argc, &argv, NULL);
-  g_test_bug_base ("http://bugzilla.gnome.org/show_bug.cgi?id=");
-
   g_test_add_func ("/util/meta-later/order", meta_test_util_later_order);
   g_test_add_func ("/util/meta-later/schedule-from-later",
                    meta_test_util_later_schedule_from_later);
@@ -259,7 +256,7 @@ init_tests (int argc, char **argv)
 int
 main (int argc, char *argv[])
 {
-  test_init (argc, argv);
+  test_init (&argc, &argv);
   init_tests (argc, argv);
 
   meta_plugin_manager_load (test_get_plugin_name ());