diff --git a/pandas/tests/io/formats/test_format.py b/pandas/tests/io/formats/test_format.py
index a75b2a427a80a..f5aa481b2172e 100644
--- a/pandas/tests/io/formats/test_format.py
+++ b/pandas/tests/io/formats/test_format.py
@@ -11,7 +11,6 @@
 import itertools
 import locale
 from operator import methodcaller
-import os
 from pathlib import Path
 import re
 from shutil import get_terminal_size
@@ -106,11 +105,6 @@ def _assert_filepath_or_buffer_equals(expected):
     return _assert_filepath_or_buffer_equals
 
 
-def curpath():
-    pth, _ = os.path.split(os.path.abspath(__file__))
-    return pth
-
-
 def has_info_repr(df):
     r = repr(df)
     c1 = r.split("\n")[0].startswith("<class")
diff --git a/pandas/tests/util/test_assert_frame_equal.py b/pandas/tests/util/test_assert_frame_equal.py
index eb9223a8221eb..1fe2a7428486e 100644
--- a/pandas/tests/util/test_assert_frame_equal.py
+++ b/pandas/tests/util/test_assert_frame_equal.py
@@ -52,25 +52,6 @@ def _assert_not_frame_equal(a, b, **kwargs):
         tm.assert_frame_equal(a, b, **kwargs)
 
 
-def _assert_not_frame_equal_both(a, b, **kwargs):
-    """
-    Check that two DataFrame are not equal.
-
-    This check is performed commutatively.
-
-    Parameters
-    ----------
-    a : DataFrame
-        The first DataFrame to compare.
-    b : DataFrame
-        The second DataFrame to compare.
-    kwargs : dict
-        The arguments passed to `tm.assert_frame_equal`.
-    """
-    _assert_not_frame_equal(a, b, **kwargs)
-    _assert_not_frame_equal(b, a, **kwargs)
-
-
 @pytest.mark.parametrize("check_like", [True, False])
 def test_frame_equal_row_order_mismatch(check_like, obj_fixture):
     df1 = DataFrame({"A": [1, 2, 3], "B": [4, 5, 6]}, index=["a", "b", "c"])