diff --git a/upsetplot/data.py b/upsetplot/data.py
index 7080332..7fa6eb5 100644
--- a/upsetplot/data.py
+++ b/upsetplot/data.py
@@ -1,7 +1,5 @@
 from __future__ import print_function, division, absolute_import
 from numbers import Number
-import functools
-from distutils.version import LooseVersion
 import warnings
 
 import pandas as pd
@@ -385,12 +383,7 @@ def from_contents(contents, data=None, id_column="id"):
     if not all(s.index.is_unique for s in cat_series):
         raise ValueError("Got duplicate ids in a category")
 
-    concat = pd.concat
-    if LooseVersion(pd.__version__) >= "0.23.0":
-        # silence the warning
-        concat = functools.partial(concat, sort=False)
-
-    df = concat(cat_series, axis=1)
+    df = pd.concat(cat_series, axis=1, sort=False)
     if id_column in df.columns:
         raise ValueError("A category cannot be named %r" % id_column)
     df.fillna(False, inplace=True)
@@ -408,6 +401,6 @@ def from_contents(contents, data=None, id_column="id"):
                 "data: %r" % not_in_data.index.values
             )
         df = df.reindex(index=data.index).fillna(False)
-        df = concat([data, df], axis=1)
+        df = pd.concat([data, df], axis=1, sort=False)
     df.index.name = id_column
     return df.reset_index().set_index(cat_names)
diff --git a/upsetplot/plotting.py b/upsetplot/plotting.py
index 1686251..e71727a 100644
--- a/upsetplot/plotting.py
+++ b/upsetplot/plotting.py
@@ -1,6 +1,7 @@
 from __future__ import print_function, division, absolute_import
 
 import typing
+import warnings
 
 import numpy as np
 import pandas as pd
@@ -648,13 +649,17 @@ def make_grid(self, fig=None):
         )
         window_extent_args = {}
         if RENDERER_IMPORTED:
-            window_extent_args["renderer"] = get_renderer(fig)
+            with warnings.catch_warnings():
+                warnings.simplefilter("ignore", DeprecationWarning)
+                window_extent_args["renderer"] = get_renderer(fig)
         textw = t.get_window_extent(**window_extent_args).width
         t.remove()
 
         window_extent_args = {}
         if RENDERER_IMPORTED:
-            window_extent_args["renderer"] = get_renderer(fig)
+            with warnings.catch_warnings():
+                warnings.simplefilter("ignore", DeprecationWarning)
+                window_extent_args["renderer"] = get_renderer(fig)
         figw = self._reorient(fig.get_window_extent(**window_extent_args)).width
 
         sizes = np.asarray([p["elements"] for p in self._subset_plots])
diff --git a/upsetplot/tests/test_data.py b/upsetplot/tests/test_data.py
index c6146e6..80d8142 100644
--- a/upsetplot/tests/test_data.py
+++ b/upsetplot/tests/test_data.py
@@ -2,7 +2,6 @@
 import pytest
 import pandas as pd
 import numpy as np
-from distutils.version import LooseVersion
 from pandas.testing import assert_series_equal, assert_frame_equal, assert_index_equal
 from upsetplot import from_memberships, from_contents, from_indicators, generate_data
 
@@ -71,8 +70,7 @@ def test_from_memberships_with_data(data, ndim):
     assert out is not data  # make sure frame is copied
     if hasattr(data, "loc") and np.asarray(data).dtype.kind in "ifb":
         # but not deepcopied when possible
-        if LooseVersion(pd.__version__) > LooseVersion("0.35"):
-            assert out.values.base is np.asarray(data).base
+        assert out.values.base is np.asarray(data).base
     if ndim == 1:
         assert isinstance(out, pd.Series)
     else: