diff --git a/lib/utils/xrange.py b/lib/utils/xrange.py
index ff8c7256d..088f0d615 100644
--- a/lib/utils/xrange.py
+++ b/lib/utils/xrange.py
@@ -19,8 +19,6 @@ class xrange(object):
         else:
             self._slice = slice(*args)
         if self._slice.stop is None:
-            # slice(*args) will never put None in stop unless it was
-            # given as None explicitly.
             raise TypeError("xrange stop must not be None")
         
     @property