diff --git a/chrono/agendas/models.py b/chrono/agendas/models.py
index e8acb0a8..c5d4cb22 100644
--- a/chrono/agendas/models.py
+++ b/chrono/agendas/models.py
@@ -74,9 +74,9 @@ from django.utils.translation import gettext
 from django.utils.translation import gettext_lazy as _
 from django.utils.translation import ngettext, pgettext_lazy
 
-from chrono.interval import Interval, IntervalSet
 from chrono.utils.date import get_weekday_index
 from chrono.utils.db import ArraySubquery, SumCardinality
+from chrono.utils.interval import Interval, IntervalSet
 from chrono.utils.misc import AgendaImportError, ICSError, clean_import_data, generate_slug
 from chrono.utils.publik_urls import translate_from_publik_url
 from chrono.utils.requests_wrapper import requests as requests_wrapper
diff --git a/chrono/interval.py b/chrono/utils/interval.py
similarity index 100%
rename from chrono/interval.py
rename to chrono/utils/interval.py
diff --git a/tests/test_interval.py b/tests/test_interval.py
index 0652d091..04a53bf5 100644
--- a/tests/test_interval.py
+++ b/tests/test_interval.py
@@ -1,6 +1,6 @@
 import pytest
 
-from chrono.interval import Interval, IntervalSet
+from chrono.utils.interval import Interval, IntervalSet
 
 
 def test_interval_set_merge_adjacent():