diff --git a/SABnzbd.py b/SABnzbd.py
index 9b9987e..88474c6 100755
--- a/SABnzbd.py
+++ b/SABnzbd.py
@@ -56,8 +56,6 @@ if [int(n) for n in cherrypy.__version__.split('.')] < [8, 1, 2]:
     print 'Sorry, requires Python module Cherrypy 8.1.2+ (use the included version)'
     sys.exit(1)
 
-from cherrypy import _cpserver
-
 SQLITE_DLL = True
 try:
     from sqlite3 import version as sqlite3_version
@@ -90,7 +88,7 @@ from sabnzbd.misc import real_path, \
     check_latest_version, exit_sab, \
     split_host, get_ext, create_https_certificates, \
     windows_variant, ip_extract, set_serv_parms, get_serv_parms, globber_full
-from sabnzbd.panic import panic_tmpl, panic_port, panic_host, panic_fwall, \
+from sabnzbd.panic import panic_tmpl, panic_port, panic_host, \
     panic_sqlite, panic, launch_a_browser
 import sabnzbd.scheduler as scheduler
 import sabnzbd.config as config
diff --git a/sabnzbd/__init__.py b/sabnzbd/__init__.py
index e4855fb..c71cbba 100644
--- a/sabnzbd/__init__.py
+++ b/sabnzbd/__init__.py
@@ -15,6 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
+# Imported to be referenced from other files directly
 from sabnzbd.version import __version__, __baseline__
 
 import os
@@ -23,8 +24,6 @@ import datetime
 import tempfile
 import cPickle
 import pickle
-import zipfile
-import glob
 import gzip
 import subprocess
 import time
@@ -32,7 +31,7 @@ import socket
 import cherrypy
 import sys
 import re
-from threading import RLock, Lock, Condition, Thread
+from threading import Lock, Thread
 try:
     import sleepless
 except ImportError:
diff --git a/sabnzbd/api.py b/sabnzbd/api.py
index 2117e98..9565b27 100644
--- a/sabnzbd/api.py
+++ b/sabnzbd/api.py
@@ -27,7 +27,7 @@ import time
 import json
 import cherrypy
 import locale
-import socket
+
 from threading import Thread
 try:
     locale.setlocale(locale.LC_ALL, "")
@@ -40,10 +40,9 @@ try:
 except ImportError:
     pass
 
-
 import sabnzbd
 from sabnzbd.constants import VALID_ARCHIVES, Status, \
-     TOP_PRIORITY, REPAIR_PRIORITY, HIGH_PRIORITY, HIGH_PRIORITY, NORMAL_PRIORITY, LOW_PRIORITY, \
+     TOP_PRIORITY, REPAIR_PRIORITY, HIGH_PRIORITY, NORMAL_PRIORITY, LOW_PRIORITY, \
      KIBI, MEBI, GIGI, JOB_ADMIN
 import sabnzbd.config as config
 import sabnzbd.cfg as cfg
@@ -165,14 +164,8 @@ def _api_del_config(name, output, kwargs):
 
 def _api_qstatus(name, output, kwargs):
     """ API: accepts output """
-    if output == 'json':
-        # Compatibility Fix:
-        # Old qstatus did not have a keyword, so do not use one now.
-        keyword = ''
-    else:
-        keyword = 'queue'
     info, pnfo_list, bytespersec = build_queue()
-    return report(output, keyword='', data=remove_callable(info))
+    return report(output, data=remove_callable(info))
 
 
 def _api_queue(name, output, kwargs):
@@ -1340,7 +1333,6 @@ def build_queue(start=0, limit=0, trans=False, output=None, search=None):
         priority = pnfo.priority
         mbleft = (bytesleft / MEBI)
         mb = (bytes / MEBI)
-        missing = pnfo.missing
 
         slot = {'index': n, 'nzo_id': str(nzo_id)}
         slot['unpackopts'] = str(sabnzbd.opts_to_pp(pnfo.repair, pnfo.unpack, pnfo.delete))
@@ -1812,9 +1804,6 @@ def build_history(start=None, limit=None, verbose=False, verbose_list=None, sear
     cookie = cherrypy.request.cookie
     if 'history_verbosity' in cookie:
         k = cookie['history_verbosity'].value
-        c_path = cookie['history_verbosity']['path']
-        c_age = cookie['history_verbosity']['max-age']
-        c_version = cookie['history_verbosity']['version']
 
         if k == 'all':
             details_show_all = True
diff --git a/sabnzbd/assembler.py b/sabnzbd/assembler.py
index 436f1bd..ba21a1e 100644
--- a/sabnzbd/assembler.py
+++ b/sabnzbd/assembler.py
@@ -37,7 +37,7 @@ from sabnzbd.articlecache import ArticleCache
 from sabnzbd.postproc import PostProcessor
 import sabnzbd.downloader
 import sabnzbd.utils.rarfile as rarfile
-from sabnzbd.encoding import unicoder, deunicode, is_utf8
+from sabnzbd.encoding import unicoder, is_utf8
 from sabnzbd.rating import Rating
 
 
diff --git a/sabnzbd/decoder.py b/sabnzbd/decoder.py
index db2e40a..478d325 100644
--- a/sabnzbd/decoder.py
+++ b/sabnzbd/decoder.py
@@ -19,7 +19,6 @@
 sabnzbd.decoder - article decoder
 """
 
-import Queue
 import binascii
 import logging
 import re
@@ -31,7 +30,6 @@ from sabnzbd.constants import Status, MAX_DECODE_QUEUE, LIMIT_DECODE_QUEUE, SABY
 import sabnzbd.articlecache
 import sabnzbd.downloader
 import sabnzbd.nzbqueue
-import sabnzbd.cfg as cfg
 from sabnzbd.encoding import yenc_name_fixer
 from sabnzbd.misc import match_str
 
diff --git a/sabnzbd/encoding.py b/sabnzbd/encoding.py
index c0f4f0f..7540da0 100644
--- a/sabnzbd/encoding.py
+++ b/sabnzbd/encoding.py
@@ -51,14 +51,6 @@ def change_fsys(value):
             auto_fsys()
 
 
-def reliable_unpack_names():
-    """ See if it is safe to rely on unrar names """
-    if sabnzbd.WIN32 or sabnzbd.DARWIN:
-        return True
-    else:
-        return gUTF
-
-
 def platform_encode(p):
     """ Return Unicode name, if not already Unicode, decode with UTF-8 or latin1 """
     if isinstance(p, str):
@@ -145,13 +137,6 @@ def unicoder(p, force=False):
         return unicode(str(p))
 
 
-def unicode2local(p):
-    """ Convert Unicode filename to appropriate local encoding
-        Leave ? characters for uncovertible characters
-    """
-    return p
-
-
 def xml_name(p, keep_escape=False, encoding=None):
     """ Prepare name for use in HTML/XML contect """
 
diff --git a/sabnzbd/interface.py b/sabnzbd/interface.py
index 7aa0bc2..66845e8 100644
--- a/sabnzbd/interface.py
+++ b/sabnzbd/interface.py
@@ -21,7 +21,6 @@ sabnzbd.interface - webinterface
 
 import os
 import time
-import datetime
 import cherrypy
 import logging
 import urllib
@@ -41,7 +40,6 @@ from Cheetah.Template import Template
 from sabnzbd.misc import real_path, to_units, from_units, \
     time_format, long_path, calc_age, \
     cat_to_opts, int_conv, globber, globber_full, remove_all, get_base_url
-from sabnzbd.panic import panic_old_queue
 from sabnzbd.newswrapper import GetServerParms
 from sabnzbd.rating import Rating
 from sabnzbd.bpsmeter import BPSMeter
@@ -60,9 +58,8 @@ from sabnzbd.utils.sslinfo import ssl_version, ssl_protocols_labels
 from sabnzbd.utils.diskspeed import diskspeedmeasure
 from sabnzbd.utils.getperformance import getpystone
 
-from sabnzbd.constants import \
-    NORMAL_PRIORITY, MEBI, DEF_SKIN_COLORS, DEF_STDINTF, DEF_STDCONFIG, DEF_MAIN_TMPL, \
-    DEFAULT_PRIORITY
+from sabnzbd.constants import NORMAL_PRIORITY, MEBI, DEF_SKIN_COLORS, DEF_STDINTF, \
+    DEF_STDCONFIG, DEF_MAIN_TMPL, DEFAULT_PRIORITY
 
 from sabnzbd.lang import list_languages, set_language
 
diff --git a/sabnzbd/misc.py b/sabnzbd/misc.py
index b79b157..591da80 100644
--- a/sabnzbd/misc.py
+++ b/sabnzbd/misc.py
@@ -1009,15 +1009,6 @@ def trim_win_path(path):
     return path
 
 
-def check_win_maxpath(folder):
-    """ Return False if any file path in folder exceeds the Windows maximum """
-    if sabnzbd.WIN32:
-        for p in os.listdir(folder):
-            if len(os.path.join(folder, p)) > 259:
-                return False
-    return True
-
-
 def make_script_path(script):
     """ Return full script path, if any valid script exists, else None """
     s_path = None
@@ -1231,7 +1222,7 @@ def create_https_certificates(ssl_cert, ssl_key):
     try:
         from sabnzbd.utils.certgen import generate_key, generate_local_cert
         private_key = generate_key(key_size=2048, output_file=ssl_key)
-        cert = generate_local_cert(private_key, days_valid=3560, output_file=ssl_cert, LN=u'SABnzbd', ON=u'SABnzbd', CN=u'localhost')
+        generate_local_cert(private_key, days_valid=3560, output_file=ssl_cert, LN=u'SABnzbd', ON=u'SABnzbd', CN=u'localhost')
         logging.info('Self-signed certificates generated successfully')
     except:
         logging.error(T('Error creating SSL key and certificate'))
diff --git a/sabnzbd/newsunpack.py b/sabnzbd/newsunpack.py
index f8aedc2..b7fe5f9 100644
--- a/sabnzbd/newsunpack.py
+++ b/sabnzbd/newsunpack.py
@@ -29,8 +29,7 @@ import binascii
 import shutil
 
 import sabnzbd
-from sabnzbd.encoding import TRANS, UNTRANS, unicode2local, \
-    reliable_unpack_names, unicoder, platform_encode, deunicode
+from sabnzbd.encoding import TRANS, UNTRANS, unicoder, platform_encode, deunicode
 import sabnzbd.utils.rarfile as rarfile
 from sabnzbd.misc import format_time_string, find_on_path, make_script_path, int_conv, \
     flag_file, real_path, globber, globber_full, get_all_passwords, renamer, clip_path, \
diff --git a/sabnzbd/newswrapper.py b/sabnzbd/newswrapper.py
index 1a7bba7..226df50 100644
--- a/sabnzbd/newswrapper.py
+++ b/sabnzbd/newswrapper.py
@@ -26,7 +26,6 @@ from nntplib import NNTPPermanentError
 import time
 import logging
 import re
-import select
 import ssl
 
 import sabnzbd
diff --git a/sabnzbd/nzbqueue.py b/sabnzbd/nzbqueue.py
index f5da4ca..3212587 100644
--- a/sabnzbd/nzbqueue.py
+++ b/sabnzbd/nzbqueue.py
@@ -31,11 +31,10 @@ from sabnzbd.misc import exit_sab, cat_to_opts, \
 from sabnzbd.panic import panic_queue
 import sabnzbd.database as database
 from sabnzbd.decorators import NZBQUEUE_LOCK, synchronized, synchronized_CV
-from sabnzbd.constants import QUEUE_FILE_NAME, QUEUE_VERSION, FUTURE_Q_FOLDER, JOB_ADMIN, \
-    LOW_PRIORITY, NORMAL_PRIORITY, HIGH_PRIORITY, TOP_PRIORITY, \
+from sabnzbd.constants import QUEUE_FILE_NAME, QUEUE_VERSION, FUTURE_Q_FOLDER, \
+    JOB_ADMIN, LOW_PRIORITY, NORMAL_PRIORITY, HIGH_PRIORITY, TOP_PRIORITY, \
     REPAIR_PRIORITY, STOP_PRIORITY, VERIFIED_FILE, \
-    Status, QUEUE_FILE_TMPL, \
-    IGNORED_FOLDERS, QNFO
+    Status, IGNORED_FOLDERS, QNFO
 
 import sabnzbd.cfg as cfg
 from sabnzbd.articlecache import ArticleCache
@@ -68,7 +67,7 @@ class NzbQueue(object):
             # Read the queue from the saved files
             data = sabnzbd.load_admin(QUEUE_FILE_NAME)
             if not data:
-                # Warn bout old queue
+                # Warn about old queue
                 if sabnzbd.OLD_QUEUE and cfg.warned_old_queue() < QUEUE_VERSION:
                     logging.warning(T('Old queue detected, use Status->Repair to convert the queue'))
                     cfg.warned_old_queue.set(QUEUE_VERSION)
@@ -864,7 +863,6 @@ class NzbQueue(object):
                 enough, _ratio = nzo.check_quality()
                 if enough:
                     # Enough data present, do real download
-                    _workdir = nzo.downpath
                     self.cleanup_nzo(nzo, keep_basic=True)
                     self.send_back(nzo)
                     return
diff --git a/sabnzbd/nzbstuff.py b/sabnzbd/nzbstuff.py
index 68d6458..0e2cdcb 100644
--- a/sabnzbd/nzbstuff.py
+++ b/sabnzbd/nzbstuff.py
@@ -43,12 +43,11 @@ from sabnzbd.constants import GIGI, ATTRIB_FILE, JOB_ADMIN, \
     RENAMES_FILE, Status, PNFO
 from sabnzbd.misc import to_units, cat_to_opts, cat_convert, sanitize_foldername, \
     get_unique_path, get_admin_path, remove_all, sanitize_filename, globber_full, \
-    sanitize_foldername, int_conv, set_permissions, format_time_string, long_path, \
-    trim_win_path, fix_unix_encoding, calc_age
+    int_conv, set_permissions, format_time_string, long_path, trim_win_path, \
+    fix_unix_encoding, calc_age
 from sabnzbd.decorators import synchronized, IO_LOCK
 import sabnzbd.config as config
 import sabnzbd.cfg as cfg
-from sabnzbd.trylist import TryList
 from sabnzbd.encoding import unicoder, platform_encode
 from sabnzbd.database import HistoryDB
 from sabnzbd.rating import Rating
@@ -61,6 +60,36 @@ PROBABLY_PAR2_RE = re.compile(r'(.*)\.vol(\d*)[\+\-](\d*)\.par2', re.I)
 REJECT_PAR2_RE = re.compile(r'\.par2\.\d+', re.I)  # Reject duplicate par2 files
 RE_NORMAL_NAME = re.compile(r'\.\w{2,5}$')  # Test reasonably sized extension at the end
 
+
+##############################################################################
+# Trylist
+##############################################################################
+
+class TryList(object):
+    """ TryList keeps track of which servers have been tried for a specific article
+        This used to have a Lock, but it's not needed (all atomic) and faster without
+    """
+    # Pre-define attributes to save memory
+    __slots__ = ('__try_list', 'fetcher_priority')
+
+    def __init__(self):
+        self.__try_list = []
+        self.fetcher_priority = 0
+
+    def server_in_try_list(self, server):
+        """ Return whether specified server has been tried """
+        return server in self.__try_list
+
+    def add_to_try_list(self, server):
+        """ Register server as having been tried already """
+        self.__try_list.append(server)
+
+    def reset_try_list(self):
+        """ Clean the list """
+        self.__try_list = []
+        self.fetcher_priority = 0
+
+
 ##############################################################################
 # Article
 ##############################################################################
@@ -865,7 +894,7 @@ class NzbObject(TryList):
         if accept == 2:
             self.deleted = True
             self.status = Status.FAILED
-            nzo_id = sabnzbd.NzbQueue.do.add(self, quiet=True)
+            sabnzbd.NzbQueue.do.add(self, quiet=True)
             sabnzbd.NzbQueue.do.end_job(self)
             # Raise error, so it's not added
             raise TypeError
@@ -1239,7 +1268,6 @@ class NzbObject(TryList):
 
     @synchronized(IO_LOCK)
     def set_download_report(self):
-        import sabnzbd.api
         if self.avg_bps_total and self.bytes_downloaded and self.avg_bps_freq:
             # get the deltatime since the download started
             avg_bps = self.avg_bps_total / self.avg_bps_freq
diff --git a/sabnzbd/panic.py b/sabnzbd/panic.py
index f553df8..89e17f4 100644
--- a/sabnzbd/panic.py
+++ b/sabnzbd/panic.py
@@ -34,7 +34,6 @@ PANIC_NONE = 0
 PANIC_PORT = 1
 PANIC_TEMPL = 2
 PANIC_QUEUE = 3
-PANIC_FWALL = 4
 PANIC_OTHER = 5
 PANIC_SQLITE = 7
 PANIC_HOST = 8
@@ -59,16 +58,6 @@ def MSG_BAD_NEWS():
 '''
 
 
-def MSG_BAD_FWALL():
-    return Ta(r'''
-    SABnzbd is not compatible with some software firewalls.<br>
-    %s<br>
-    Sorry, but we cannot solve this incompatibility right now.<br>
-    Please file a complaint at your firewall supplier.<br>
-    <br>
-''')
-
-
 def MSG_BAD_PORT():
     return Ta(r'''
     SABnzbd needs a free tcp/ip port for its internal web server.<br>
@@ -127,15 +116,6 @@ def MSG_OTHER():
     return T('SABnzbd detected a fatal error:') + '<br>%s<br><br>%s<br>'
 
 
-def MSG_OLD_QUEUE():
-    return Ta(r'''
-    SABnzbd detected a queue from an older release.<br><br>
-    You can convert the queue by clicking "Repair" in Status-&gt;"Queue Repair".<br><br>
-    You may choose to stop SABnzbd and finish the queue with the older program.<br><br>
-    Click OK to proceed to SABnzbd''') + \
-        ('''<br><br><FORM><input type="button" onclick="this.form.action='/.'; this.form.submit(); return false;" value="%s"/></FORM>''' % T('OK'))
-
-
 def MSG_SQLITE():
     return Ta(r'''
     SABnzbd detected that the file sqlite3.dll is missing.<br><br>
@@ -162,11 +142,6 @@ def panic_message(panic, a=None, b=None):
         msg = MSG_BAD_TEMPL() % a
     elif panic == PANIC_QUEUE:
         msg = MSG_BAD_QUEUE() % (a, os_str, prog_path)
-    elif panic == PANIC_FWALL:
-        if a:
-            msg = MSG_BAD_FWALL() % T('It is likely that you are using ZoneAlarm on Vista.<br>')
-        else:
-            msg = MSG_BAD_FWALL() % "<br>"
     elif panic == PANIC_SQLITE:
         msg = MSG_SQLITE()
     elif panic == PANIC_HOST:
@@ -189,10 +164,6 @@ def panic_message(panic, a=None, b=None):
     return url
 
 
-def panic_fwall(vista):
-    launch_a_browser(panic_message(PANIC_FWALL, vista))
-
-
 def panic_port(host, port):
     print "\n%s:\n  %s" % (T('Fatal error'), T('Unable to bind to port %s on %s. Some other software uses the port or SABnzbd is already running.') % (port, host))
     launch_a_browser(panic_message(PANIC_PORT, host, port))
@@ -214,11 +185,6 @@ def panic_sqlite(name):
     launch_a_browser(panic_message(PANIC_SQLITE, name, 0))
 
 
-def panic_old_queue():
-    msg = MSG_OLD_QUEUE()
-    return MSG_BAD_NEWS() % (sabnzbd.MY_NAME, sabnzbd.__version__, sabnzbd.MY_NAME, sabnzbd.__version__, msg, '')
-
-
 def panic(reason, remedy=""):
     print "\n%s:\n  %s\n%s" % (T('Fatal error'), reason, remedy)
     launch_a_browser(panic_message(PANIC_OTHER, reason, remedy))
diff --git a/sabnzbd/postproc.py b/sabnzbd/postproc.py
index 033d189..c154b05 100644
--- a/sabnzbd/postproc.py
+++ b/sabnzbd/postproc.py
@@ -34,12 +34,12 @@ from threading import Thread
 from sabnzbd.misc import real_path, get_unique_path, create_dirs, move_to_path, \
     make_script_path, long_path, clip_path, \
     on_cleanup_list, renamer, remove_dir, remove_all, globber, globber_full, \
-    set_permissions, cleanup_empty_directories, check_win_maxpath, fix_unix_encoding, \
+    set_permissions, cleanup_empty_directories, fix_unix_encoding, \
     sanitize_and_trim_path, sanitize_files_in_folder
 from sabnzbd.tvsort import Sorter
 from sabnzbd.constants import REPAIR_PRIORITY, TOP_PRIORITY, POSTPROC_QUEUE_FILE_NAME, \
     POSTPROC_QUEUE_VERSION, sample_match, JOB_ADMIN, Status, VERIFIED_FILE
-from sabnzbd.encoding import TRANS, unicoder, deunicode
+from sabnzbd.encoding import TRANS, unicoder
 from sabnzbd.rating import Rating
 import sabnzbd.emailer as emailer
 import sabnzbd.dirscanner as dirscanner
diff --git a/sabnzbd/rss.py b/sabnzbd/rss.py
index 9987e91..a06c7d6 100644
--- a/sabnzbd/rss.py
+++ b/sabnzbd/rss.py
@@ -197,7 +197,6 @@ class RSSQueue(object):
                         continue
                     self.jobs[feed] = {}
                     for link in feeds[feed]:
-                        data = feeds[feed][link]
                         # Consistency check on data
                         try:
                             item = feeds[feed][link]
diff --git a/sabnzbd/trylist.py b/sabnzbd/trylist.py
deleted file mode 100644
index 553fb43..0000000
--- a/sabnzbd/trylist.py
+++ /dev/null
@@ -1,50 +0,0 @@
-#!/usr/bin/python -OO
-# Copyright 2008-2017 The SABnzbd-Team <team@sabnzbd.org>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-"""
-sabnzbd.trylist - trylist class
-"""
-
-import logging
-from threading import Lock
-
-import sabnzbd
-from sabnzbd.decorators import synchronized
-
-# TryList keeps track of which servers have been tried for a specific article
-# This used to have a Lock, but it's not needed (all atomic) and faster without
-
-class TryList(object):
-    # Pre-define attributes to save memory
-    __slots__ = ('__try_list', 'fetcher_priority')
-
-    def __init__(self):
-        self.__try_list = []
-        self.fetcher_priority = 0
-
-    def server_in_try_list(self, server):
-        """ Return whether specified server has been tried """
-        return server in self.__try_list
-
-    def add_to_try_list(self, server):
-        """ Register server as having been tried already """
-        self.__try_list.append(server)
-
-    def reset_try_list(self):
-        """ Clean the list """
-        self.__try_list = []
-        self.fetcher_priority = 0