diff --git a/sleekxmpp/basexmpp.py b/sleekxmpp/basexmpp.py
index 3cf949a7..8347bfe0 100644
--- a/sleekxmpp/basexmpp.py
+++ b/sleekxmpp/basexmpp.py
@@ -90,20 +90,6 @@ class BaseXMPP(XMLStream):
 
         # To comply with PEP8, method names now use underscores.
         # Deprecated method names are re-mapped for backwards compatibility.
-        self.registerPlugin = self.register_plugin
-        self.makeIq = self.make_iq
-        self.makeIqGet = self.make_iq_get
-        self.makeIqResult = self.make_iq_result
-        self.makeIqSet = self.make_iq_set
-        self.makeIqError = self.make_iq_error
-        self.makeIqQuery = self.make_iq_query
-        self.makeQueryRoster = self.make_query_roster
-        self.makeMessage = self.make_message
-        self.makePresence = self.make_presence
-        self.sendMessage = self.send_message
-        self.sendPresence = self.send_presence
-        self.sendPresenceSubscription = self.send_presence_subscription
-
         self.default_ns = default_ns
         self.stream_ns = 'http://etherx.jabber.org/streams'
 
@@ -701,3 +687,19 @@ class BaseXMPP(XMLStream):
 
 # Restore the old, lowercased name for backwards compatibility.
 basexmpp = BaseXMPP
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+BaseXMPP.registerPlugin = BaseXMPP.register_plugin
+BaseXMPP.makeIq = BaseXMPP.make_iq
+BaseXMPP.makeIqGet = BaseXMPP.make_iq_get
+BaseXMPP.makeIqResult = BaseXMPP.make_iq_result
+BaseXMPP.makeIqSet = BaseXMPP.make_iq_set
+BaseXMPP.makeIqError = BaseXMPP.make_iq_error
+BaseXMPP.makeIqQuery = BaseXMPP.make_iq_query
+BaseXMPP.makeQueryRoster = BaseXMPP.make_query_roster
+BaseXMPP.makeMessage = BaseXMPP.make_message
+BaseXMPP.makePresence = BaseXMPP.make_presence
+BaseXMPP.sendMessage = BaseXMPP.send_message
+BaseXMPP.sendPresence = BaseXMPP.send_presence
+BaseXMPP.sendPresenceSubscription = BaseXMPP.send_presence_subscription
diff --git a/sleekxmpp/clientxmpp.py b/sleekxmpp/clientxmpp.py
index a1813985..1e860eae 100644
--- a/sleekxmpp/clientxmpp.py
+++ b/sleekxmpp/clientxmpp.py
@@ -68,13 +68,6 @@ class ClientXMPP(BaseXMPP):
         """
         BaseXMPP.__init__(self, 'jabber:client')
 
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.updateRoster = self.update_roster
-        self.delRosterItem = self.del_roster_item
-        self.getRoster = self.get_roster
-        self.registerFeature = self.register_feature
-
         self.set_jid(jid)
         self.password = password
         self.escape_quotes = escape_quotes
@@ -439,3 +432,11 @@ class ClientXMPP(BaseXMPP):
             iq.reply()
             iq.enable('roster')
             iq.send()
+
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+ClientXMPP.updateRoster = ClientXMPP.update_roster
+ClientXMPP.delRosterItem = ClientXMPP.del_roster_item
+ClientXMPP.getRoster = ClientXMPP.get_roster
+ClientXMPP.registerFeature = ClientXMPP.register_feature
diff --git a/sleekxmpp/plugins/xep_0030/disco.py b/sleekxmpp/plugins/xep_0030/disco.py
index 96aac695..45d6931b 100644
--- a/sleekxmpp/plugins/xep_0030/disco.py
+++ b/sleekxmpp/plugins/xep_0030/disco.py
@@ -90,10 +90,6 @@ class xep_0030(base_plugin):
         self.description = 'Service Discovery'
         self.stanza = sleekxmpp.plugins.xep_0030.stanza
 
-        # Retain some backwards compatibility
-        self.getInfo = self.get_info
-        self.getItems = self.get_items
-
         self.xmpp.register_handler(
                 Callback('Disco Info',
                          StanzaPath('iq/disco_info'),
@@ -124,7 +120,8 @@ class xep_0030(base_plugin):
         """Handle cross-plugin dependencies."""
         base_plugin.post_init(self)
         if self.xmpp['xep_0059']:
-            register_stanza_plugin(DiscoItems, self.xmpp['xep_0059'].stanza.Set)
+            register_stanza_plugin(DiscoItems,
+                                   self.xmpp['xep_0059'].stanza.Set)
 
     def set_node_handler(self, htype, jid=None, node=None, handler=None):
         """
@@ -378,7 +375,8 @@ class xep_0030(base_plugin):
         """
         self._run_node_handler('del_item', jid, node, kwargs)
 
-    def add_identity(self, category='', itype='', name='', node=None, jid=None, lang=None):
+    def add_identity(self, category='', itype='', name='',
+                     node=None, jid=None, lang=None):
         """
         Add a new identity to the given JID/node combination.
 
@@ -607,3 +605,7 @@ class xep_0030(base_plugin):
                 info.add_feature(info.namespace)
         return info
 
+
+# Retain some backwards compatibility
+xep_0030.getInfo = xep_0030.get_info
+xep_0030.getItems = xep_0030.get_items
diff --git a/sleekxmpp/plugins/xep_0030/static.py b/sleekxmpp/plugins/xep_0030/static.py
index f957c84c..654a9bd0 100644
--- a/sleekxmpp/plugins/xep_0030/static.py
+++ b/sleekxmpp/plugins/xep_0030/static.py
@@ -262,4 +262,3 @@ class StaticDisco(object):
             self.nodes[(jid, node)]['items'].del_item(
                     data.get('ijid', ''),
                     node=data.get('inode', None))
-
diff --git a/sleekxmpp/plugins/xep_0199/ping.py b/sleekxmpp/plugins/xep_0199/ping.py
index cde2f822..064af4ca 100644
--- a/sleekxmpp/plugins/xep_0199/ping.py
+++ b/sleekxmpp/plugins/xep_0199/ping.py
@@ -54,9 +54,6 @@ class xep_0199(base_plugin):
         self.xep = '0199'
         self.stanza = stanza
 
-        # Backwards compatibility for names
-        self.sendPing = self.send_ping
-
         self.keepalive = self.config.get('keepalive', True)
         self.frequency = float(self.config.get('frequency', 300))
         self.timeout = self.config.get('timeout', 30)
@@ -160,3 +157,7 @@ class xep_0199(base_plugin):
 
         log.debug("Pong: %s %f" % (jid, delay))
         return delay
+
+
+# Backwards compatibility for names
+Ping.sendPing = Ping.send_ping
diff --git a/sleekxmpp/stanza/error.py b/sleekxmpp/stanza/error.py
index 09229bc6..5d1ce50d 100644
--- a/sleekxmpp/stanza/error.py
+++ b/sleekxmpp/stanza/error.py
@@ -77,15 +77,6 @@ class Error(ElementBase):
         Arguments:
             xml -- Use an existing XML object for the stanza's values.
         """
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.getCondition = self.get_condition
-        self.setCondition = self.set_condition
-        self.delCondition = self.del_condition
-        self.getText = self.get_text
-        self.setText = self.set_text
-        self.delText = self.del_text
-
         if ElementBase.setup(self, xml):
             #If we had to generate XML then set default values.
             self['type'] = 'cancel'
@@ -139,3 +130,13 @@ class Error(ElementBase):
         """Remove the <text> element."""
         self._del_sub('{%s}text' % self.condition_ns)
         return self
+
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+Error.getCondition = Error.get_condition
+Error.setCondition = Error.set_condition
+Error.delCondition = Error.del_condition
+Error.getText = Error.get_text
+Error.setText = Error.set_text
+Error.delText = Error.del_text
diff --git a/sleekxmpp/stanza/htmlim.py b/sleekxmpp/stanza/htmlim.py
index 45868287..d21a74e1 100644
--- a/sleekxmpp/stanza/htmlim.py
+++ b/sleekxmpp/stanza/htmlim.py
@@ -46,23 +46,6 @@ class HTMLIM(ElementBase):
     interfaces = set(('body',))
     plugin_attrib = name
 
-    def setup(self, xml=None):
-        """
-        Populate the stanza object using an optional XML object.
-
-        Overrides StanzaBase.setup.
-
-        Arguments:
-            xml -- Use an existing XML object for the stanza's values.
-        """
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.setBody = self.set_body
-        self.getBody = self.get_body
-        self.delBody = self.del_body
-
-        return ElementBase.setup(self, xml)
-
     def set_body(self, html):
         """
         Set the contents of the HTML body.
@@ -95,3 +78,9 @@ class HTMLIM(ElementBase):
 
 
 register_stanza_plugin(Message, HTMLIM)
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+HTMLIM.setBody = HTMLIM.set_body
+HTMLIM.getBody = HTMLIM.get_body
+HTMLIM.delBody = HTMLIM.del_body
diff --git a/sleekxmpp/stanza/iq.py b/sleekxmpp/stanza/iq.py
index 330df6c2..2bfbc7b1 100644
--- a/sleekxmpp/stanza/iq.py
+++ b/sleekxmpp/stanza/iq.py
@@ -75,13 +75,6 @@ class Iq(RootStanza):
         Overrides StanzaBase.__init__.
         """
         StanzaBase.__init__(self, *args, **kwargs)
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.setPayload = self.set_payload
-        self.getQuery = self.get_query
-        self.setQuery = self.set_query
-        self.delQuery = self.del_query
-
         if self['id'] == '':
             if self.stream is not None:
                 self['id'] = self.stream.getNewId()
@@ -229,3 +222,11 @@ class Iq(RootStanza):
         else:
             StanzaBase._set_stanza_values(self, values)
         return self
+
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+Iq.setPayload = Iq.set_payload
+Iq.getQuery = Iq.get_query
+Iq.setQuery = Iq.set_query
+Iq.delQuery = Iq.del_query
diff --git a/sleekxmpp/stanza/message.py b/sleekxmpp/stanza/message.py
index 6f0cf212..cb3d344c 100644
--- a/sleekxmpp/stanza/message.py
+++ b/sleekxmpp/stanza/message.py
@@ -63,27 +63,6 @@ class Message(RootStanza):
     plugin_attrib = name
     types = set((None, 'normal', 'chat', 'headline', 'error', 'groupchat'))
 
-    def setup(self, xml=None):
-        """
-        Populate the stanza object using an optional XML object.
-
-        Overrides StanzaBase.setup.
-
-        Arguments:
-            xml -- Use an existing XML object for the stanza's values.
-        """
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.getType = self.get_type
-        self.getMucroom = self.get_mucroom
-        self.setMucroom = self.set_mucroom
-        self.delMucroom = self.del_mucroom
-        self.getMucnick = self.get_mucnick
-        self.setMucnick = self.set_mucnick
-        self.delMucnick = self.del_mucnick
-
-        return StanzaBase.setup(self, xml)
-
     def get_type(self):
         """
         Return the message type.
@@ -165,3 +144,14 @@ class Message(RootStanza):
     def del_mucnick(self):
         """Dummy method to prevent deletion."""
         pass
+
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+Message.getType = Message.get_type
+Message.getMucroom = Message.get_mucroom
+Message.setMucroom = Message.set_mucroom
+Message.delMucroom = Message.del_mucroom
+Message.getMucnick = Message.get_mucnick
+Message.setMucnick = Message.set_mucnick
+Message.delMucnick = Message.del_mucnick
diff --git a/sleekxmpp/stanza/nick.py b/sleekxmpp/stanza/nick.py
index dce41d14..1e23d34f 100644
--- a/sleekxmpp/stanza/nick.py
+++ b/sleekxmpp/stanza/nick.py
@@ -49,23 +49,6 @@ class Nick(ElementBase):
     plugin_attrib = name
     interfaces = set(('nick',))
 
-    def setup(self, xml=None):
-        """
-        Populate the stanza object using an optional XML object.
-
-        Overrides StanzaBase.setup.
-
-        Arguments:
-            xml -- Use an existing XML object for the stanza's values.
-        """
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.setNick = self.set_nick
-        self.getNick = self.get_nick
-        self.delNick = self.del_nick
-
-        return ElementBase.setup(self, xml)
-
     def set_nick(self, nick):
         """
         Add a <nick> element with the given nickname.
@@ -87,3 +70,9 @@ class Nick(ElementBase):
 
 register_stanza_plugin(Message, Nick)
 register_stanza_plugin(Presence, Nick)
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+Nick.setNick = Nick.set_nick
+Nick.getNick = Nick.get_nick
+Nick.delNick = Nick.del_nick
diff --git a/sleekxmpp/stanza/presence.py b/sleekxmpp/stanza/presence.py
index 60dddf64..c8706233 100644
--- a/sleekxmpp/stanza/presence.py
+++ b/sleekxmpp/stanza/presence.py
@@ -72,26 +72,6 @@ class Presence(RootStanza):
                  'subscribed', 'unsubscribe', 'unsubscribed'))
     showtypes = set(('dnd', 'chat', 'xa', 'away'))
 
-    def setup(self, xml=None):
-        """
-        Populate the stanza object using an optional XML object.
-
-        Overrides ElementBase.setup.
-
-        Arguments:
-            xml -- Use an existing XML object for the stanza's values.
-        """
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.setShow = self.set_show
-        self.getType = self.get_type
-        self.setType = self.set_type
-        self.delType = self.get_type
-        self.getPriority = self.get_priority
-        self.setPriority = self.set_priority
-
-        return StanzaBase.setup(self, xml)
-
     def exception(self, e):
         """
         Override exception passback for presence.
@@ -188,3 +168,13 @@ class Presence(RootStanza):
         elif self['type'] == 'subscribe':
             self['type'] = 'subscribed'
         return StanzaBase.reply(self, clear)
+
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+Presence.setShow = Presence.set_show
+Presence.getType = Presence.get_type
+Presence.setType = Presence.set_type
+Presence.delType = Presence.get_type
+Presence.getPriority = Presence.get_priority
+Presence.setPriority = Presence.set_priority
diff --git a/sleekxmpp/stanza/roster.py b/sleekxmpp/stanza/roster.py
index 8f154a22..afe75516 100644
--- a/sleekxmpp/stanza/roster.py
+++ b/sleekxmpp/stanza/roster.py
@@ -38,23 +38,6 @@ class Roster(ElementBase):
     plugin_attrib = 'roster'
     interfaces = set(('items',))
 
-    def setup(self, xml=None):
-        """
-        Populate the stanza object using an optional XML object.
-
-        Overrides StanzaBase.setup.
-
-        Arguments:
-            xml -- Use an existing XML object for the stanza's values.
-        """
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.setItems = self.set_items
-        self.getItems = self.get_items
-        self.delItems = self.del_items
-
-        return ElementBase.setup(self, xml)
-
     def set_items(self, items):
         """
         Set the roster entries in the <roster> stanza.
@@ -123,3 +106,9 @@ class Roster(ElementBase):
 
 
 register_stanza_plugin(Iq, Roster)
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+Roster.setItems = Roster.set_items
+Roster.getItems = Roster.get_items
+Roster.delItems = Roster.del_items
diff --git a/sleekxmpp/xmlstream/handler/base.py b/sleekxmpp/xmlstream/handler/base.py
index 9c704ec6..6ec9b6a3 100644
--- a/sleekxmpp/xmlstream/handler/base.py
+++ b/sleekxmpp/xmlstream/handler/base.py
@@ -42,8 +42,6 @@ class BaseHandler(object):
                        this handler.
             stream  -- The XMLStream instance the handler should monitor.
         """
-        self.checkDelete = self.check_delete
-
         self.name = name
         self.stream = stream
         self._destroy = False
@@ -87,3 +85,8 @@ class BaseHandler(object):
         handlers.
         """
         return self._destroy
+
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+BaseHandler.checkDelete = BaseHandler.check_delete
diff --git a/sleekxmpp/xmlstream/matcher/xmlmask.py b/sleekxmpp/xmlstream/matcher/xmlmask.py
index 60e19495..53ccc9ba 100644
--- a/sleekxmpp/xmlstream/matcher/xmlmask.py
+++ b/sleekxmpp/xmlstream/matcher/xmlmask.py
@@ -117,7 +117,8 @@ class MatchXMLMask(MatcherBase):
                 return False
 
         # If the mask includes text, compare it.
-        if mask.text and source.text and source.text.strip() != mask.text.strip():
+        if mask.text and source.text and \
+           source.text.strip() != mask.text.strip():
             return False
 
         # Compare attributes. The stanza must include the attributes
diff --git a/sleekxmpp/xmlstream/scheduler.py b/sleekxmpp/xmlstream/scheduler.py
index 14359102..0e711b4b 100644
--- a/sleekxmpp/xmlstream/scheduler.py
+++ b/sleekxmpp/xmlstream/scheduler.py
@@ -140,7 +140,8 @@ class Scheduler(object):
         """Process scheduled tasks."""
         self.run = True
         try:
-            while self.run and (self.parentstop is None or not self.parentstop.isSet()):
+            while self.run and (self.parentstop is None or \
+                                not self.parentstop.isSet()):
                     wait = 1
                     updated = False
                     if self.schedule:
diff --git a/sleekxmpp/xmlstream/stanzabase.py b/sleekxmpp/xmlstream/stanzabase.py
index 1f229cea..753977c1 100644
--- a/sleekxmpp/xmlstream/stanzabase.py
+++ b/sleekxmpp/xmlstream/stanzabase.py
@@ -218,18 +218,6 @@ class ElementBase(object):
             xml    -- Initialize the stanza with optional existing XML.
             parent -- Optional stanza object that contains this stanza.
         """
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.initPlugin = self.init_plugin
-        self._getAttr = self._get_attr
-        self._setAttr = self._set_attr
-        self._delAttr = self._del_attr
-        self._getSubText = self._get_sub_text
-        self._setSubText = self._set_sub_text
-        self._delSub = self._del_sub
-        self.getStanzaValues = self._get_stanza_values
-        self.setStanzaValues = self._set_stanza_values
-
         self.xml = xml
         self.plugins = OrderedDict()
         self.iterables = []
@@ -1076,17 +1064,6 @@ class StanzaBase(ElementBase):
             sfrom  -- Optional string or JID object of the sender's JID.
             sid    -- Optional ID value for the stanza.
         """
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.setType = self.set_type
-        self.getTo = self.get_to
-        self.setTo = self.set_to
-        self.getFrom = self.get_from
-        self.setFrom = self.set_from
-        self.getPayload = self.get_payload
-        self.setPayload = self.set_payload
-        self.delPayload = self.del_payload
-
         self.stream = stream
         if stream is not None:
             self.namespace = stream.default_ns
@@ -1224,3 +1201,25 @@ class StanzaBase(ElementBase):
         return tostring(self.xml, xmlns='',
                         stanza_ns=self.namespace,
                         stream=self.stream)
+
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+ElementBase.initPlugin = ElementBase.init_plugin
+ElementBase._getAttr = ElementBase._get_attr
+ElementBase._setAttr = ElementBase._set_attr
+ElementBase._delAttr = ElementBase._del_attr
+ElementBase._getSubText = ElementBase._get_sub_text
+ElementBase._setSubText = ElementBase._set_sub_text
+ElementBase._delSub = ElementBase._del_sub
+ElementBase.getStanzaValues = ElementBase._get_stanza_values
+ElementBase.setStanzaValues = ElementBase._set_stanza_values
+
+StanzaBase.setType = StanzaBase.set_type
+StanzaBase.getTo = StanzaBase.get_to
+StanzaBase.setTo = StanzaBase.set_to
+StanzaBase.getFrom = StanzaBase.get_from
+StanzaBase.setFrom = StanzaBase.set_from
+StanzaBase.getPayload = StanzaBase.get_payload
+StanzaBase.setPayload = StanzaBase.set_payload
+StanzaBase.delPayload = StanzaBase.del_payload
diff --git a/sleekxmpp/xmlstream/xmlstream.py b/sleekxmpp/xmlstream/xmlstream.py
index 560b80a0..87771adf 100644
--- a/sleekxmpp/xmlstream/xmlstream.py
+++ b/sleekxmpp/xmlstream/xmlstream.py
@@ -149,19 +149,6 @@ class XMLStream(object):
             port   -- The port to use for the connection.
                       Defaults to 0.
         """
-        # To comply with PEP8, method names now use underscores.
-        # Deprecated method names are re-mapped for backwards compatibility.
-        self.startTLS = self.start_tls
-        self.registerStanza = self.register_stanza
-        self.removeStanza = self.remove_stanza
-        self.registerHandler = self.register_handler
-        self.removeHandler = self.remove_handler
-        self.setSocket = self.set_socket
-        self.sendRaw = self.send_raw
-        self.getId = self.get_id
-        self.getNewId = self.new_id
-        self.sendXML = self.send_xml
-
         self.ssl_support = SSL_SUPPORT
         self.ssl_version = ssl.PROTOCOL_TLSv1
         self.ca_certs = None
@@ -970,9 +957,11 @@ class XMLStream(object):
         is not caught.
         """
         init_old = threading.Thread.__init__
+
         def init(self, *args, **kwargs):
             init_old(self, *args, **kwargs)
             run_old = self.run
+
             def run_with_except_hook(*args, **kw):
                 try:
                     run_old(*args, **kw)
@@ -982,3 +971,17 @@ class XMLStream(object):
                     sys.excepthook(*sys.exc_info())
             self.run = run_with_except_hook
         threading.Thread.__init__ = init
+
+
+# To comply with PEP8, method names now use underscores.
+# Deprecated method names are re-mapped for backwards compatibility.
+XMLStream.startTLS = XMLStream.start_tls
+XMLStream.registerStanza = XMLStream.register_stanza
+XMLStream.removeStanza = XMLStream.remove_stanza
+XMLStream.registerHandler = XMLStream.register_handler
+XMLStream.removeHandler = XMLStream.remove_handler
+XMLStream.setSocket = XMLStream.set_socket
+XMLStream.sendRaw = XMLStream.send_raw
+XMLStream.getId = XMLStream.get_id
+XMLStream.getNewId = XMLStream.new_id
+XMLStream.sendXML = XMLStream.send_xml