diff --git a/watcher/cmd/api.py b/watcher/cmd/api.py
index 71c4a7c72..74fed0368 100644
--- a/watcher/cmd/api.py
+++ b/watcher/cmd/api.py
@@ -26,7 +26,7 @@ from oslo_log import log as logging
 
 from watcher._i18n import _
 from watcher.api import app as api_app
-from watcher import service
+from watcher.common import service
 
 
 LOG = logging.getLogger(__name__)
diff --git a/watcher/common/service.py b/watcher/common/service.py
index dfbdea4e3..0f6055cfe 100644
--- a/watcher/common/service.py
+++ b/watcher/common/service.py
@@ -14,6 +14,7 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+import logging
 import signal
 import socket
 
@@ -124,9 +125,10 @@ _DEFAULT_LOG_LEVELS = ['amqp=WARN', 'amqplib=WARN', 'qpid.messaging=INFO',
                        'glanceclient=WARN', 'watcher.openstack.common=WARN']
 
 
-def prepare_service(argv=[]):
-    log.register_options(cfg.CONF)
+def prepare_service(argv=[], conf=cfg.CONF):
+    log.register_options(conf)
     config.parse_args(argv)
     cfg.set_defaults(_options.log_opts,
                      default_log_levels=_DEFAULT_LOG_LEVELS)
-    log.setup(cfg.CONF, 'python-watcher')
+    log.setup(conf, 'python-watcher')
+    conf.log_opt_values(LOG, logging.DEBUG)
diff --git a/watcher/service.py b/watcher/service.py
deleted file mode 100644
index a4f3302eb..000000000
--- a/watcher/service.py
+++ /dev/null
@@ -1,29 +0,0 @@
-# -*- encoding: utf-8 -*-
-# Copyright (c) 2015 b<>com
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import logging
-
-from oslo_config import cfg
-from oslo_log import log
-
-LOG = log.getLogger(__name__)
-
-
-def prepare_service(args=None, conf=cfg.CONF):
-    log.register_options(conf)
-    log.setup(conf, 'watcher')
-    conf(args, project='python-watcher')
-    conf.log_opt_values(LOG, logging.DEBUG)