diff --git a/gio/tests/cancellable.c b/gio/tests/cancellable.c
index 044628228..cd349a8f3 100644
--- a/gio/tests/cancellable.c
+++ b/gio/tests/cancellable.c
@@ -188,6 +188,12 @@ test_cancel_multiple_concurrent (void)
   GCancellable *cancellable;
   guint i, iterations;
 
+  if (!g_test_thorough ())
+    {
+      g_test_skip ("Not running timing heavy test");
+      return;
+    }
+
   cancellable = g_cancellable_new ();
   loop = g_main_loop_new (NULL, FALSE);
 
diff --git a/gio/tests/socket.c b/gio/tests/socket.c
index eeebddd62..f1651972f 100644
--- a/gio/tests/socket.c
+++ b/gio/tests/socket.c
@@ -1130,6 +1130,12 @@ test_timed_wait (void)
   gint64 start_time;
   gint poll_duration;
 
+  if (!g_test_thorough ())
+    {
+      g_test_skip ("Not running timing heavy test");
+      return;
+    }
+
   data = create_server (G_SOCKET_FAMILY_IPV4, echo_server_thread, FALSE, &error);
   if (error != NULL)
     {