diff --git a/IPython/html/notebookapp.py b/IPython/html/notebookapp.py
index c3d3f11..f0d7705 100644
--- a/IPython/html/notebookapp.py
+++ b/IPython/html/notebookapp.py
@@ -27,7 +27,6 @@ import socket
 import sys
 import threading
 import time
-import uuid
 import webbrowser
 
 
@@ -36,7 +35,6 @@ import webbrowser
 from IPython.utils.zmqrelated import check_for_zmq
 check_for_zmq('2.1.11', 'IPython.html')
 
-import zmq
 from jinja2 import Environment, FileSystemLoader
 
 # Install the pyzmq ioloop. This has to be done before anything else from
diff --git a/IPython/html/services/clusters/clustermanager.py b/IPython/html/services/clusters/clustermanager.py
index 404eaf4..3b12a1a 100644
--- a/IPython/html/services/clusters/clustermanager.py
+++ b/IPython/html/services/clusters/clustermanager.py
@@ -22,13 +22,11 @@ from tornado import web
 from zmq.eventloop import ioloop
 
 from IPython.config.configurable import LoggingConfigurable
-from IPython.config.loader import load_pyconfig_files
 from IPython.utils.traitlets import Dict, Instance, CFloat
 from IPython.parallel.apps.ipclusterapp import IPClusterStart
 from IPython.core.profileapp import list_profiles_in
 from IPython.core.profiledir import ProfileDir
 from IPython.utils.path import get_ipython_dir
-from IPython.utils.sysinfo import num_cpus
 
 
 #-----------------------------------------------------------------------------
diff --git a/IPython/html/services/kernels/kernelmanager.py b/IPython/html/services/kernels/kernelmanager.py
index ed1c03e..93ba04d 100644
--- a/IPython/html/services/kernels/kernelmanager.py
+++ b/IPython/html/services/kernels/kernelmanager.py
@@ -20,7 +20,7 @@ from tornado import web
 
 from IPython.kernel.multikernelmanager import MultiKernelManager
 from IPython.utils.traitlets import (
-    Dict, List, Unicode, Integer,
+    Dict, List, Unicode,
 )
 
 #-----------------------------------------------------------------------------