diff --git a/hw/shpc.c b/hw/shpc.c
index a5baf246f1..6b9884d544 100644
--- a/hw/shpc.c
+++ b/hw/shpc.c
@@ -253,6 +253,7 @@ static void shpc_free_devices_in_slot(SHPCDevice *shpc, int slot)
          ++devfn) {
         PCIDevice *affected_dev = shpc->sec_bus->devices[devfn];
         if (affected_dev) {
+            object_unparent(OBJECT(affected_dev));
             qdev_free(&affected_dev->qdev);
         }
     }