diff --git a/invenio_stats/aggregations.py b/invenio_stats/aggregations.py
index 7f3b8c3..de8c8a0 100644
--- a/invenio_stats/aggregations.py
+++ b/invenio_stats/aggregations.py
@@ -11,7 +11,6 @@
 
 import math
 from collections import OrderedDict
-from copy import deepcopy
 from datetime import datetime
 from functools import wraps
 
diff --git a/invenio_stats/utils.py b/invenio_stats/utils.py
index ca64f6a..3ded52b 100644
--- a/invenio_stats/utils.py
+++ b/invenio_stats/utils.py
@@ -13,12 +13,11 @@
 from base64 import b64encode
 from math import ceil
 
-from flask import current_app, request, session
+from flask import request, session
 from flask_login import current_user
 from geolite2 import geolite2
 from invenio_cache import current_cache
 from invenio_search.engine import dsl
-from werkzeug.utils import import_string
 
 
 def get_anonymization_salt(ts):