diff --git a/common/lib/codejail/codejail/tests/test_jailpy.py b/common/lib/codejail/codejail/tests/test_jailpy.py
index 21cb780946..76bf2b1c1d 100644
--- a/common/lib/codejail/codejail/tests/test_jailpy.py
+++ b/common/lib/codejail/codejail/tests/test_jailpy.py
@@ -127,8 +127,6 @@ class TestLimits(JailCodeHelpers, unittest.TestCase):
         self.assertEqual(res.stdout, "Reading google\n")
         self.assertIn("IOError", res.stderr)
 
-    # TODO: write files
-    # TODO: read network
     # TODO: fork
 
 
diff --git a/common/lib/codejail/codejail/tests/test_safe_exec.py b/common/lib/codejail/codejail/tests/test_safe_exec.py
index 46d6a59a98..f7dac45b03 100644
--- a/common/lib/codejail/codejail/tests/test_safe_exec.py
+++ b/common/lib/codejail/codejail/tests/test_safe_exec.py
@@ -65,6 +65,8 @@ class TestSafeExec(SafeExecTests, unittest.TestCase):
 class TestNotSafeExec(SafeExecTests, unittest.TestCase):
     """Run SafeExecTests, with not_safe_exec."""
     def setUp(self):
+        # If safe_exec is actually an alias to not_safe_exec, then there's no
+        # point running these tests.
         if safe_exec is not_safe_exec:
             raise SkipTest