diff --git a/nova/compute/resource_tracker.py b/nova/compute/resource_tracker.py
index 524fa5d89b..71fcc8856a 100644
--- a/nova/compute/resource_tracker.py
+++ b/nova/compute/resource_tracker.py
@@ -51,7 +51,15 @@ resource_tracker_opts = [
                help='Class that will manage stats for the local compute host'),
     cfg.ListOpt('compute_resources',
                 default=[],
-                help='The names of the extra resources to track.'),
+                help='DEPRECATED: The names of the extra resources to track. '
+                     'The Extensible Resource Tracker is deprecated and will '
+                     'be removed in the 14.0.0 release. If you '
+                     'use this functionality and have custom resources that '
+                     'are managed by the Extensible Resource Tracker, please '
+                     'contact the Nova development team by posting to the '
+                     'openstack-dev mailing list. There is no future planned '
+                     'support for the tracking of custom resources.',
+                deprecated_for_removal=True),
 ]
 
 allocation_ratio_opts = [
diff --git a/nova/compute/resources/__init__.py b/nova/compute/resources/__init__.py
index 5641ffbef4..83101d2506 100644
--- a/nova/compute/resources/__init__.py
+++ b/nova/compute/resources/__init__.py
@@ -53,6 +53,15 @@ class ResourceHandler(object):
             names=names,
             propagate_map_exceptions=propagate_map_exceptions,
             invoke_on_load=True)
+        if self._mgr.names():
+            LOG.warning(_LW(
+                'The Extensible Resource Tracker is deprecated and will '
+                'be removed in the 14.0.0 release. If you '
+                'use this functionality and have custom resources that '
+                'are managed by the Extensible Resource Tracker, please '
+                'contact the Nova development team by posting to the '
+                'openstack-dev mailing list. There is no future planned '
+                'support for the tracking of custom resources.'))
         self._log_missing_plugins(names)
 
     def reset_resources(self, resources, driver):