diff --git a/lib/_range.py b/lib/_range.py
index 19a05d3c..eb242654 100644
--- a/lib/_range.py
+++ b/lib/_range.py
@@ -143,10 +143,6 @@ class Range:
     def __bool__(self):
         return self._bounds is not None
 
-    def __nonzero__(self):
-        # Python 2 compatibility
-        return type(self).__bool__(self)
-
     def __eq__(self, other):
         if not isinstance(other, Range):
             return False