diff --git a/Lib/test/test_tokenize.py b/Lib/test/test_tokenize.py
index 4d8d9f1..022b658 100644
--- a/Lib/test/test_tokenize.py
+++ b/Lib/test/test_tokenize.py
@@ -34,6 +34,7 @@
 NEWLINE     '\\n'          (3, 26) (3, 27)
 DEDENT      ''            (4, 0) (4, 0)
 
+' # Emacs hint
 
 There will be a bunch more tests of specific source patterns.
 
@@ -184,6 +185,8 @@
 
     testdir = os.path.dirname(f) or os.curdir
     testfiles = glob.glob(testdir + os.sep + 'test*.py')
+    # Exclude test_pep263 which is encoded in KOI8-R
+    testfiles = [t for t in testfiles if not t.endswith("pep263.py")]
     if not is_resource_enabled('compiler'):
         testfiles = random.sample(testfiles, 10)