diff --git a/gobject/tests/param.c b/gobject/tests/param.c
index 7696fc48f..76f1359e0 100644
--- a/gobject/tests/param.c
+++ b/gobject/tests/param.c
@@ -1157,7 +1157,6 @@ test_interface_default_init (TestInterfaceInterface *iface)
             g_object_interface_install_property (iface, pspec);
             g_test_assert_expected_messages ();
 
-            g_param_spec_unref (pspec);
             continue;
           }