diff --git a/pandas/tests/arrays/test_datetimelike.py b/pandas/tests/arrays/test_datetimelike.py
index 7c482664bca48f..117a19acbfc3a5 100644
--- a/pandas/tests/arrays/test_datetimelike.py
+++ b/pandas/tests/arrays/test_datetimelike.py
@@ -1,3 +1,5 @@
+from typing import Type, Union
+
 import numpy as np
 import pytest
 
@@ -5,6 +7,9 @@
 
 import pandas as pd
 from pandas.core.arrays import DatetimeArray, PeriodArray, TimedeltaArray
+from pandas.core.indexes.datetimes import DatetimeIndex
+from pandas.core.indexes.period import PeriodIndex
+from pandas.core.indexes.timedeltas import TimedeltaIndex
 import pandas.util.testing as tm
 
 
@@ -52,7 +57,7 @@ def timedelta_index(request):
 
 
 class SharedTests:
-    index_cls = None
+    index_cls = None  # type: Type[Union[DatetimeIndex, PeriodIndex, TimedeltaIndex]]
 
     def test_compare_len1_raises(self):
         # make sure we raise when comparing with different lengths, specific
diff --git a/setup.cfg b/setup.cfg
index 766099a9d75212..f7920fb61b9429 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -136,9 +136,6 @@ ignore_errors=True
 [mypy-pandas.tests.arithmetic.test_datetime64]
 ignore_errors=True
 
-[mypy-pandas.tests.arrays.test_datetimelike]
-ignore_errors=True
-
 [mypy-pandas.tests.dtypes.test_common]
 ignore_errors=True