diff --git a/SOURCES/check-pyc-and-pyo-timestamps.py b/SOURCES/check-pyc-and-pyo-timestamps.py
index 5fd11cc9..aab0cc12 100644
--- a/SOURCES/check-pyc-and-pyo-timestamps.py
+++ b/SOURCES/check-pyc-and-pyo-timestamps.py
@@ -17,6 +17,15 @@ not_compiled = [
     'test/badsyntax_future8.py',
     'test/badsyntax_future9.py',
     'test/badsyntax_future10.py',
+    'test/badsyntax_async1.py',
+    'test/badsyntax_async2.py',
+    'test/badsyntax_async3.py',
+    'test/badsyntax_async4.py',
+    'test/badsyntax_async5.py',
+    'test/badsyntax_async6.py',
+    'test/badsyntax_async7.py',
+    'test/badsyntax_async8.py',
+    'test/badsyntax_async9.py',
     'test/badsyntax_pep3120.py',
     'lib2to3/tests/data/bom.py',
     'lib2to3/tests/data/crlf.py',