#13054: fix usage of sys.maxunicode after PEP-393.
diff --git a/Lib/test/test_multibytecodec.py b/Lib/test/test_multibytecodec.py
index 4448072..feb7bd5 100644
--- a/Lib/test/test_multibytecodec.py
+++ b/Lib/test/test_multibytecodec.py
@@ -247,14 +247,9 @@
             self.assertFalse(any(x > 0x80 for x in e))
 
     def test_bug1572832(self):
-        if sys.maxunicode >= 0x10000:
-            myunichr = chr
-        else:
-            myunichr = lambda x: chr(0xD7C0+(x>>10)) + chr(0xDC00+(x&0x3FF))
-
         for x in range(0x10000, 0x110000):
             # Any ISO 2022 codec will cause the segfault
-            myunichr(x).encode('iso_2022_jp', 'ignore')
+            chr(x).encode('iso_2022_jp', 'ignore')
 
 class TestStateful(unittest.TestCase):
     text = '\u4E16\u4E16'