diff --git a/aodh/evaluator/threshold.py b/aodh/evaluator/threshold.py
index 53db5cefd..a67e513d1 100644
--- a/aodh/evaluator/threshold.py
+++ b/aodh/evaluator/threshold.py
@@ -134,8 +134,8 @@ class ThresholdEvaluator(evaluator.Evaluator):
         """
         sufficient = len(statistics) >= alarm.rule['evaluation_periods']
         if not sufficient and alarm.state != evaluator.UNKNOWN:
-            LOG.warn(_LW('Expecting %(expected)d datapoints but only get '
-                         '%(actual)d') % {
+            LOG.warning(_LW('Expecting %(expected)d datapoints but only get '
+                            '%(actual)d') % {
                 'expected': alarm.rule['evaluation_periods'],
                 'actual': len(statistics)})
             # Reason is not same as log message because we want to keep
diff --git a/aodh/storage/hbase/utils.py b/aodh/storage/hbase/utils.py
index 9b01923a5..a7d3ca89b 100644
--- a/aodh/storage/hbase/utils.py
+++ b/aodh/storage/hbase/utils.py
@@ -227,9 +227,9 @@ def create_tables(conn, tables, column_families):
                               separator=conn.table_prefix_separator,
                               table_name=table))
 
-            LOG.warn(_("Cannot create table %(table_name)s   "
-                       "it already exists. Ignoring error")
-                     % {'table_name': table})
+            LOG.warning(_("Cannot create table %(table_name)s   "
+                        "it already exists. Ignoring error")
+                        % {'table_name': table})
 
 
 def quote(s, *args):
diff --git a/aodh/storage/mongo/utils.py b/aodh/storage/mongo/utils.py
index f277edf75..8d3ebe291 100644
--- a/aodh/storage/mongo/utils.py
+++ b/aodh/storage/mongo/utils.py
@@ -82,8 +82,8 @@ class ConnectionPool(object):
                 retry_interval,
             )
         except pymongo.errors.ConnectionFailure as e:
-            LOG.warn(_('Unable to connect to the database server: '
-                       '%(errmsg)s.') % {'errmsg': e})
+            LOG.warning(_('Unable to connect to the database server: '
+                        '%(errmsg)s.') % {'errmsg': e})
             raise
         self._pool[pool_key] = weakref.ref(client)
         return client