diff --git a/pandas/core/indexes/datetimes.py b/pandas/core/indexes/datetimes.py
index 0c40900d54b53..b620818004f98 100644
--- a/pandas/core/indexes/datetimes.py
+++ b/pandas/core/indexes/datetimes.py
@@ -16,7 +16,6 @@
 from pandas.core.accessor import delegate_names
 from pandas.core.arrays.datetimes import (
     DatetimeArray,
-    _to_M8,
     tz_to_dtype,
     validate_tz_from_dtype,
 )
diff --git a/pandas/tests/tseries/offsets/test_offsets.py b/pandas/tests/tseries/offsets/test_offsets.py
index c8b322b3c832a..17eef5ec9f598 100644
--- a/pandas/tests/tseries/offsets/test_offsets.py
+++ b/pandas/tests/tseries/offsets/test_offsets.py
@@ -23,7 +23,8 @@
 from pandas.errors import PerformanceWarning
 
 import pandas._testing as tm
-from pandas.core.indexes.datetimes import DatetimeIndex, _to_M8, date_range
+from pandas.core.arrays.datetimes import _to_M8
+from pandas.core.indexes.datetimes import DatetimeIndex, date_range
 from pandas.core.series import Series
 
 from pandas.io.pickle import read_pickle