diff --git a/gio/tests/glistmodel.c b/gio/tests/glistmodel.c
index b867bd54a..562037f62 100644
--- a/gio/tests/glistmodel.c
+++ b/gio/tests/glistmodel.c
@@ -798,6 +798,7 @@ test_store_past_end (void)
   g_assert_cmpint (g_list_model_get_n_items (model), ==, 1);
   item = g_list_model_get_item (model, 0);
   g_assert_nonnull (item);
+  g_object_unref (item);
   item = g_list_model_get_item (model, G_MAXUINT);
   g_assert_null (item);
 
diff --git a/glib/tests/autoptr.c b/glib/tests/autoptr.c
index d24ad1ed8..fccdfe55e 100644
--- a/glib/tests/autoptr.c
+++ b/glib/tests/autoptr.c
@@ -409,9 +409,11 @@ test_g_rec_mutex_locker (void)
       g_thread_join (thread);
     }
 
-    /* Verify that the mutex is unlocked again */
-    thread = g_thread_new ("rec mutex unlocked", rec_mutex_unlocked_thread, &rec_mutex);
-    g_thread_join (thread);
+  /* Verify that the mutex is unlocked again */
+  thread = g_thread_new ("rec mutex unlocked", rec_mutex_unlocked_thread, &rec_mutex);
+  g_thread_join (thread);
+
+  g_rec_mutex_clear (&rec_mutex);
 }
 
 /* Thread function to check that an rw lock given in @data cannot be writer locked */
@@ -478,6 +480,8 @@ test_g_rw_lock_lockers (void)
    * the locks taken above have been correctly released. */
   g_assert_true (g_rw_lock_writer_trylock (&lock));
   g_rw_lock_writer_unlock (&lock);
+
+  g_rw_lock_clear (&lock);
 }
 
 static void