diff --git a/requirements.txt b/requirements.txt
index da4a0aca..7c99dffe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,6 +12,5 @@ stevedore>=1.20.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
 oslo.i18n>=3.15.3 # Apache-2.0
 osc-lib>=1.8.0 # Apache-2.0
-oslo.log>=3.36.0 # Apache-2.0
 oslo.utils>=3.40.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
diff --git a/tackerclient/common/utils.py b/tackerclient/common/utils.py
index c605cffe..0de68e2b 100644
--- a/tackerclient/common/utils.py
+++ b/tackerclient/common/utils.py
@@ -21,7 +21,6 @@ import argparse
 import logging
 import os
 
-from oslo_log import versionutils
 from oslo_utils import encodeutils
 from oslo_utils import importutils
 
@@ -177,9 +176,3 @@ def get_file_path(filename):
     file_path = os.path.abspath(os.path.join(os.path.dirname(__file__),
                                              '../%s' % filename))
     return file_path
-
-
-def deprecate_warning(what, as_of, in_favor_of=None, remove_in=1):
-    versionutils.deprecation_warning(as_of=as_of, what=what,
-                                     in_favor_of=in_favor_of,
-                                     remove_in=remove_in)