diff --git a/crontask/__init__.py b/crontask/__init__.py
index d3eab36..2ec9b54 100644
--- a/crontask/__init__.py
+++ b/crontask/__init__.py
@@ -1,21 +1,19 @@
 """Cron style scheduler for Django's task framework."""
 
 import typing
-import warnings
 from unittest.mock import Mock
 
 from apscheduler.schedulers.base import STATE_STOPPED
 from apscheduler.schedulers.blocking import BlockingScheduler
 from apscheduler.triggers.base import BaseTrigger
 from apscheduler.triggers.cron import CronTrigger
-from apscheduler.triggers.interval import IntervalTrigger
 from django.tasks import Task
 from django.utils import timezone
 
 from . import _version
 from .contrib import sentry
 
-__all__ = ["cron", "interval", "scheduler", "VERSION", "__version__"]
+__all__ = ["cron", "scheduler", "VERSION", "__version__"]
 
 __version__ = _version.version
 VERSION = _version.version_tuple
@@ -90,25 +88,3 @@ def decorator(task: Task) -> Task:
         return task
 
     return decorator
-
-
-def interval(*, seconds):
-    """
-    Run task on a periodic interval.
-
-    The interval decorator is deprecated and will be removed in a future release.
-    Please use the cron decorator with an 'IntervalTrigger' instead.
-    """
-    warnings.warn(
-        "The interval decorator is deprecated and will be removed in a future release. "
-        "Please use the cron decorator with an 'IntervalTrigger' instead.",
-        DeprecationWarning,
-        stacklevel=2,
-    )
-
-    return cron(
-        IntervalTrigger(
-            seconds=seconds,
-            timezone=timezone.get_default_timezone(),
-        )
-    )
diff --git a/tests/test_tasks.py b/tests/test_tasks.py
index b4bd775..75fef7d 100644
--- a/tests/test_tasks.py
+++ b/tests/test_tasks.py
@@ -4,7 +4,7 @@
 
 import pytest
 from apscheduler.triggers.interval import IntervalTrigger
-from crontask import cron, interval, scheduler, tasks
+from crontask import cron, scheduler, tasks
 from django.utils import timezone
 
 from tests.testapp.tasks import my_task
@@ -112,16 +112,6 @@ def test_cron__custom_trigger():
     ) == datetime.datetime(2021, 1, 1, 0, 0, 30, tzinfo=DEFAULT_TZINFO)
 
 
-def test_interval__seconds():
-    assert not scheduler.remove_all_jobs()
-    with pytest.deprecated_call():
-        assert interval(seconds=30)(tasks.heartbeat)
-    init = datetime.datetime(2021, 1, 1, 0, 0, 0, tzinfo=DEFAULT_TZINFO)
-    assert scheduler.get_jobs()[0].trigger.get_next_fire_time(
-        init, init
-    ) == datetime.datetime(2021, 1, 1, 0, 0, 30, tzinfo=DEFAULT_TZINFO)
-
-
 def test_cron__sentry_monitor_config_false(monkeypatch):
     """Disable Sentry monitoring for a task."""
     assert not scheduler.remove_all_jobs()