diff --git a/keystoneclient/openstack/common/memorycache.py b/keystoneclient/openstack/common/memorycache.py
index e72c26df1..c6e101347 100644
--- a/keystoneclient/openstack/common/memorycache.py
+++ b/keystoneclient/openstack/common/memorycache.py
@@ -18,6 +18,7 @@
 
 import copy
 
+from debtcollector import removals
 from oslo_config import cfg
 from oslo_utils import timeutils
 
@@ -30,6 +31,11 @@ CONF = cfg.CONF
 CONF.register_opts(memcache_opts)
 
 
+# Indicate that this module is deprecated for removal and oslo.cache should
+# be used instead.
+removals.removed_module(__name__, 'oslo.cache')
+
+
 def list_opts():
     """Entry point for oslo-config-generator."""
     return [(None, copy.deepcopy(memcache_opts))]