diff --git a/requirements.txt b/requirements.txt
index 2249fb2240..dd7784378a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ oslo.log>=3.36.0 # Apache-2.0
 oslo.db>=4.27.0 # Apache-2.0
 xmltodict>=0.10.1 # MIT
 cryptography>=2.1.4  # BSD/Apache-2.0
-oslo.policy>=3.6.0 # Apache-2.0
+oslo.policy>=4.5.0 # Apache-2.0
 diskimage-builder!=1.6.0,!=1.7.0,!=1.7.1,>=1.1.2 # Apache-2.0
 docker>=4.2.0 # Apache-2.0
 psycopg2-binary>=2.6.2 # LGPL/ZPL
diff --git a/trove/common/policy.py b/trove/common/policy.py
index 1c9d795511..85e498b283 100644
--- a/trove/common/policy.py
+++ b/trove/common/policy.py
@@ -15,7 +15,6 @@
 
 
 from oslo_config import cfg
-from oslo_policy import opts
 from oslo_policy import policy
 
 from trove.common import exception as trove_exceptions
@@ -25,12 +24,6 @@ from trove.common.policies import base
 CONF = cfg.CONF
 _ENFORCER = None
 
-# TODO(gmann): Remove setting the default value of config policy_file
-# once oslo_policy change the default value to 'policy.yaml'.
-# https://github.com/openstack/oslo.policy/blob/a626ad12fe5a3abd49d70e3e5b95589d279ab578/oslo_policy/opts.py#L49
-DEFAULT_POLICY_FILE = 'policy.yaml'
-opts.set_defaults(CONF, DEFAULT_POLICY_FILE)
-
 
 def get_enforcer():
     global _ENFORCER