diff --git a/src/vbox/vbox_network.c b/src/vbox/vbox_network.c
index 747253713f9dc26c655b9ddd562cdfdd52d8b798..a6079b4561cd4b565f2e97d356473ce07cb7033f 100644
--- a/src/vbox/vbox_network.c
+++ b/src/vbox/vbox_network.c
@@ -102,17 +102,17 @@ vboxNetworkOpen(virConnectPtr conn,
         goto cleanup;
 
     VIR_DEBUG("network initialized");
-    /* conn->networkPrivateData = some network specific data */
+
     return VIR_DRV_OPEN_SUCCESS;
 
  cleanup:
     return VIR_DRV_OPEN_DECLINED;
 }
 
-static int vboxNetworkClose(virConnectPtr conn)
+static int vboxNetworkClose(virConnectPtr conn ATTRIBUTE_UNUSED)
 {
     VIR_DEBUG("network uninitialized");
-    conn->networkPrivateData = NULL;
+
     return 0;
 }
 
diff --git a/src/vbox/vbox_storage.c b/src/vbox/vbox_storage.c
index 194484cdd7725592cd7b1d2a9ebd2af8a446e822..3af5f940f5f55c842f1618a40c10216f4073a59c 100644
--- a/src/vbox/vbox_storage.c
+++ b/src/vbox/vbox_storage.c
@@ -58,14 +58,14 @@ vboxStorageOpen(virConnectPtr conn,
         return VIR_DRV_OPEN_ERROR;
 
     VIR_DEBUG("vbox storage initialized");
-    /* conn->storagePrivateData = some storage specific data */
+
     return VIR_DRV_OPEN_SUCCESS;
 }
 
-static int vboxStorageClose(virConnectPtr conn)
+static int vboxStorageClose(virConnectPtr conn ATTRIBUTE_UNUSED)
 {
     VIR_DEBUG("vbox storage uninitialized");
-    conn->storagePrivateData = NULL;
+
     return 0;
 }