diff --git a/sleekxmpp/stanza/error.py b/sleekxmpp/stanza/error.py
index d985f72..825287a 100644
--- a/sleekxmpp/stanza/error.py
+++ b/sleekxmpp/stanza/error.py
@@ -6,7 +6,7 @@
     See the file LICENSE for copying permission.
 """
 
-from sleekxmpp.xmlstream import ElementBase, ET, register_stanza_plugin
+from sleekxmpp.xmlstream import ElementBase, ET
 
 
 class Error(ElementBase):
diff --git a/sleekxmpp/stanza/iq.py b/sleekxmpp/stanza/iq.py
index f05dad1..47d51b0 100644
--- a/sleekxmpp/stanza/iq.py
+++ b/sleekxmpp/stanza/iq.py
@@ -6,7 +6,6 @@
     See the file LICENSE for copying permission.
 """
 
-from sleekxmpp.stanza import Error
 from sleekxmpp.stanza.rootstanza import RootStanza
 from sleekxmpp.xmlstream import StanzaBase, ET
 from sleekxmpp.xmlstream.handler import Waiter, Callback
diff --git a/sleekxmpp/stanza/message.py b/sleekxmpp/stanza/message.py
index 19d4d9e..407802b 100644
--- a/sleekxmpp/stanza/message.py
+++ b/sleekxmpp/stanza/message.py
@@ -6,9 +6,8 @@
     See the file LICENSE for copying permission.
 """
 
-from sleekxmpp.stanza import Error
 from sleekxmpp.stanza.rootstanza import RootStanza
-from sleekxmpp.xmlstream import StanzaBase, ET
+from sleekxmpp.xmlstream import StanzaBase
 
 
 class Message(RootStanza):
diff --git a/sleekxmpp/stanza/nick.py b/sleekxmpp/stanza/nick.py
index 1e23d34..9656582 100644
--- a/sleekxmpp/stanza/nick.py
+++ b/sleekxmpp/stanza/nick.py
@@ -7,7 +7,7 @@
 """
 
 from sleekxmpp.stanza import Message, Presence
-from sleekxmpp.xmlstream import ElementBase, ET, register_stanza_plugin
+from sleekxmpp.xmlstream import ElementBase, register_stanza_plugin
 
 
 class Nick(ElementBase):
diff --git a/sleekxmpp/stanza/presence.py b/sleekxmpp/stanza/presence.py
index c870623..f2dd096 100644
--- a/sleekxmpp/stanza/presence.py
+++ b/sleekxmpp/stanza/presence.py
@@ -6,9 +6,8 @@
     See the file LICENSE for copying permission.
 """
 
-from sleekxmpp.stanza import Error
 from sleekxmpp.stanza.rootstanza import RootStanza
-from sleekxmpp.xmlstream import StanzaBase, ET
+from sleekxmpp.xmlstream import StanzaBase
 
 
 class Presence(RootStanza):
diff --git a/sleekxmpp/stanza/rootstanza.py b/sleekxmpp/stanza/rootstanza.py
index 2ac47d8..bb756ac 100644
--- a/sleekxmpp/stanza/rootstanza.py
+++ b/sleekxmpp/stanza/rootstanza.py
@@ -7,8 +7,6 @@
 """
 
 import logging
-import traceback
-import sys
 
 from sleekxmpp.exceptions import XMPPError, IqError, IqTimeout
 from sleekxmpp.stanza import Error
diff --git a/sleekxmpp/stanza/stream_error.py b/sleekxmpp/stanza/stream_error.py
index cf59a7f..5a6dac9 100644
--- a/sleekxmpp/stanza/stream_error.py
+++ b/sleekxmpp/stanza/stream_error.py
@@ -7,8 +7,7 @@
 """
 
 from sleekxmpp.stanza.error import Error
-from sleekxmpp.xmlstream import StanzaBase, ElementBase, ET
-from sleekxmpp.xmlstream import register_stanza_plugin
+from sleekxmpp.xmlstream import StanzaBase
 
 
 class StreamError(Error, StanzaBase):
diff --git a/sleekxmpp/stanza/stream_features.py b/sleekxmpp/stanza/stream_features.py
index b800011..9993c84 100644
--- a/sleekxmpp/stanza/stream_features.py
+++ b/sleekxmpp/stanza/stream_features.py
@@ -6,8 +6,7 @@
     See the file LICENSE for copying permission.
 """
 
-from sleekxmpp.xmlstream import ElementBase, StanzaBase, ET
-from sleekxmpp.xmlstream import register_stanza_plugin
+from sleekxmpp.xmlstream import StanzaBase
 
 
 class StreamFeatures(StanzaBase):