diff --git a/Lib/test/test_unicode_file.py b/Lib/test/test_unicode_file.py
index 6cd965e83c8..e46e1a9e37d 100644
--- a/Lib/test/test_unicode_file.py
+++ b/Lib/test/test_unicode_file.py
@@ -55,11 +55,12 @@ if not os.path.isfile(TESTFN_UNICODE) or \
     print "File doesn't exist after creating it"
 
 path, base = os.path.split(os.path.abspath(TESTFN_ENCODED))
-if base not in os.listdir(path):
-    print "Filename did not appear in os.listdir()"
-path, base = os.path.split(os.path.abspath(TESTFN_UNICODE))
-if base not in os.listdir(path):
-    print "Unicode filename did not appear in os.listdir()"
+# Until PEP 277 is adopted, this test is not portable
+#  if base not in os.listdir(path):
+#      print "Filename did not appear in os.listdir()"
+#  path, base = os.path.split(os.path.abspath(TESTFN_UNICODE))
+#  if base not in os.listdir(path):
+#      print "Unicode filename did not appear in os.listdir()"
 
 if os.path.abspath(TESTFN_ENCODED) != os.path.abspath(glob.glob(TESTFN_ENCODED)[0]):
     print "Filename did not appear in glob.glob()"