diff --git a/IPython/lib/inputhook.py b/IPython/lib/inputhook.py
index d3b8f67..93d090b 100644
--- a/IPython/lib/inputhook.py
+++ b/IPython/lib/inputhook.py
@@ -417,7 +417,6 @@ class InputHookManager(object):
         IPython.
 
         """
-        import pyglet
         from IPython.lib.inputhookpyglet import inputhook_pyglet
         self.set_inputhook(inputhook_pyglet)
         self._current_gui = GUI_PYGLET
diff --git a/IPython/lib/inputhookglut.py b/IPython/lib/inputhookglut.py
index c68675f..cd2cf56 100644
--- a/IPython/lib/inputhookglut.py
+++ b/IPython/lib/inputhookglut.py
@@ -33,7 +33,6 @@ import os
 import sys
 import time
 import signal
-import OpenGL
 import OpenGL.GLUT as glut
 import OpenGL.platform as platform
 from timeit import default_timer as clock
diff --git a/IPython/lib/inputhookpyglet.py b/IPython/lib/inputhookpyglet.py
index 160a33c..63bb593 100644
--- a/IPython/lib/inputhookpyglet.py
+++ b/IPython/lib/inputhookpyglet.py
@@ -21,7 +21,6 @@ Authors
 #-----------------------------------------------------------------------------
 
 import os
-import signal
 import sys
 import time
 from timeit import default_timer as clock
diff --git a/IPython/lib/inputhookqt4.py b/IPython/lib/inputhookqt4.py
index 4770e0a..8a83902 100644
--- a/IPython/lib/inputhookqt4.py
+++ b/IPython/lib/inputhookqt4.py
@@ -18,7 +18,6 @@ Author: Christian Boos
 
 import os
 import signal
-import time
 import threading
 
 from IPython.core.interactiveshell import InteractiveShell
diff --git a/IPython/lib/tests/test_backgroundjobs.py b/IPython/lib/tests/test_backgroundjobs.py
index e0392b7..0441eab 100644
--- a/IPython/lib/tests/test_backgroundjobs.py
+++ b/IPython/lib/tests/test_backgroundjobs.py
@@ -14,7 +14,6 @@
 from __future__ import print_function
 
 # Stdlib imports
-import sys
 import time
 
 # Third-party imports
@@ -22,7 +21,6 @@ import nose.tools as nt
 
 # Our own imports
 from IPython.lib import backgroundjobs as bg
-from IPython.testing import decorators as dec
 
 #-----------------------------------------------------------------------------
 # Globals and constants
diff --git a/IPython/lib/tests/test_deepreload.py b/IPython/lib/tests/test_deepreload.py
index 57b938e..aa28dbf 100644
--- a/IPython/lib/tests/test_deepreload.py
+++ b/IPython/lib/tests/test_deepreload.py
@@ -6,7 +6,6 @@
 #-----------------------------------------------------------------------------
 
 import os
-import sys
 
 import nose.tools as nt
 
diff --git a/IPython/lib/tests/test_display.py b/IPython/lib/tests/test_display.py
index dee073b..4fabc6a 100644
--- a/IPython/lib/tests/test_display.py
+++ b/IPython/lib/tests/test_display.py
@@ -15,7 +15,6 @@
 from __future__ import print_function
 from tempfile import NamedTemporaryFile, mkdtemp
 from os.path import split
-from os import sep
 
 # Third-party imports
 import nose.tools as nt
diff --git a/IPython/lib/tests/test_imports.py b/IPython/lib/tests/test_imports.py
index 3a19015..912dfa5 100644
--- a/IPython/lib/tests/test_imports.py
+++ b/IPython/lib/tests/test_imports.py
@@ -10,4 +10,4 @@ def test_import_demo():
     from IPython.lib import demo
 
 def test_import_irunner():
-    from IPython.lib import demo
+    from IPython.lib import irunner