diff --git a/doc/source/deploy-on-kubernetes.rst b/doc/source/deploy-on-kubernetes.rst
index 117b0be77..f72836fe9 100644
--- a/doc/source/deploy-on-kubernetes.rst
+++ b/doc/source/deploy-on-kubernetes.rst
@@ -52,7 +52,6 @@ Start an IPython interpreter, e.g., ``ipython``
 .. code-block:: python
 
   from collections import Counter
-  import socket
   import time
   import ray
 
diff --git a/kubernetes/example.py b/kubernetes/example.py
index b5097ddd9..e80a6b6c9 100644
--- a/kubernetes/example.py
+++ b/kubernetes/example.py
@@ -3,7 +3,6 @@ from __future__ import division
 from __future__ import print_function
 
 from collections import Counter
-import socket
 import sys
 import time
 import ray