diff --git a/doc/conf.py b/doc/conf.py
index 966fde42..7faa8b40 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -14,7 +14,6 @@
 
 import sys
 import os
-import shlex
 from sphinx import version_info
 
 major, minor, patch, label, label_number = version_info
diff --git a/src/sugar3/activity/activity.py b/src/sugar3/activity/activity.py
index 8f88b80f..63693175 100644
--- a/src/sugar3/activity/activity.py
+++ b/src/sugar3/activity/activity.py
@@ -189,7 +189,7 @@ from telepathy.constants import CONNECTION_HANDLE_TYPE_ROOM
 
 from sugar3 import util
 from sugar3 import power
-from sugar3.profile import get_nick_name, get_color, get_save_as
+from sugar3.profile import get_color, get_save_as
 from sugar3.presence import presenceservice
 from sugar3.activity.activityservice import ActivityService
 from sugar3.graphics import style
diff --git a/src/sugar3/activity/activityfactory.py b/src/sugar3/activity/activityfactory.py
index d3cdb1e0..173f06de 100644
--- a/src/sugar3/activity/activityfactory.py
+++ b/src/sugar3/activity/activityfactory.py
@@ -35,10 +35,7 @@ from sugar3.datastore import datastore
 from errno import EEXIST, ENOSPC
 
 import os
-import tempfile
 import subprocess
-import pwd
-import shutil
 
 _SHELL_SERVICE = 'org.laptop.Shell'
 _SHELL_PATH = '/org/laptop/Shell'
diff --git a/src/sugar3/graphics/palette.py b/src/sugar3/graphics/palette.py
index a3cd02b4..7dea1908 100644
--- a/src/sugar3/graphics/palette.py
+++ b/src/sugar3/graphics/palette.py
@@ -30,7 +30,6 @@ from gi.repository import Gdk
 from gi.repository import GObject
 from gi.repository import Pango
 
-from sugar3.graphics import animator
 from sugar3.graphics import style
 from sugar3.graphics.icon import Icon
 from sugar3.graphics.palettewindow import PaletteWindow, \