diff --git a/djcelery/backends/cache.py b/djcelery/backends/cache.py
index 7006bf06..a17d6b32 100644
--- a/djcelery/backends/cache.py
+++ b/djcelery/backends/cache.py
@@ -8,7 +8,6 @@
 from django.core.cache import cache, get_cache
 
 from celery import current_app
-from celery.utils.timeutils import timedelta_seconds
 from celery.backends.base import KeyValueStoreBackend
 
 # CELERY_CACHE_BACKEND overrides the django-global(tm) backend settings.
@@ -55,7 +54,7 @@ def __init__(self, *args, **kwargs):
         expires = kwargs.get('expires',
                              current_app.conf.CELERY_TASK_RESULT_EXPIRES)
         if isinstance(expires, timedelta):
-            expires = int(timedelta_seconds(expires))
+            expires = int(timedelta.total_seconds(expires))
         self.expires = expires
 
     def get(self, key):
diff --git a/djcelery/models.py b/djcelery/models.py
index 02386e49..e9bca8fc 100644
--- a/djcelery/models.py
+++ b/djcelery/models.py
@@ -11,7 +11,6 @@
 from celery import schedules
 from celery import states
 from celery.events.state import heartbeat_expires
-from celery.utils.timeutils import timedelta_seconds
 
 from . import managers
 from .picklefield import PickledObjectField
@@ -104,7 +103,7 @@ def schedule(self):
 
     @classmethod
     def from_schedule(cls, schedule, period='seconds'):
-        every = timedelta_seconds(schedule.run_every)
+        every = timedelta.total_seconds(schedule.run_every)
         try:
             return cls.objects.get(every=every, period=period)
         except cls.DoesNotExist:
diff --git a/djcelery/tests/test_schedulers.py b/djcelery/tests/test_schedulers.py
index 0401791d..2cff7e4c 100644
--- a/djcelery/tests/test_schedulers.py
+++ b/djcelery/tests/test_schedulers.py
@@ -5,7 +5,6 @@
 
 from celery.five import monotonic
 from celery.schedules import schedule, crontab
-from celery.utils.timeutils import timedelta_seconds
 
 from djcelery import schedulers
 from djcelery import celery
@@ -245,7 +244,7 @@ def test_PeriodicTask_unicode_crontab(self):
     def test_PeriodicTask_schedule_property(self):
         p1 = create_model_interval(schedule(timedelta(seconds=10)))
         s1 = p1.schedule
-        self.assertEqual(timedelta_seconds(s1.run_every), 10)
+        self.assertEqual(timedelta.total_seconds(s1.run_every), 10)
 
         p2 = create_model_crontab(crontab(hour='4, 5',
                                           minute='10,20,30',