diff --git a/tools/python/xen/xend/XendConfig.py b/tools/python/xen/xend/XendConfig.py
index 1c59b78c76..3c36eb0421 100644
--- a/tools/python/xen/xend/XendConfig.py
+++ b/tools/python/xen/xend/XendConfig.py
@@ -148,15 +148,9 @@ XENAPI_CFG_TYPES = {
     'vcpus_policy': str,
     'vcpus_params': dict,
     'vcpus_number': int,
-    'vcpus_features_required': list,
-    'vcpus_features_can_use': list,
-    'vcpus_features_force_on': list, 
-    'vcpus_features_force_off': list,
     'actions_after_shutdown': str,
     'actions_after_reboot': str,
-    'actions_after_suspend': str,
     'actions_after_crash': str,
-    'tpm_instance': int,
     'tpm_backend': int,    
     'PV_bootloader': str,
     'PV_kernel': str,