diff --git a/tensorflow/python/debug/lib/debug_graphs.py b/tensorflow/python/debug/lib/debug_graphs.py
index 0de9e22d88d..b2d552c88e1 100644
--- a/tensorflow/python/debug/lib/debug_graphs.py
+++ b/tensorflow/python/debug/lib/debug_graphs.py
@@ -17,8 +17,6 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from six.moves import xrange  # pylint: disable=redefined-builtin
-
 from tensorflow.core.framework import graph_pb2
 from tensorflow.python.framework import op_def_registry
 from tensorflow.python.platform import tf_logging as logging