diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index a1ea26434..9c7c492cb 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -20,7 +20,6 @@ from lib.core.common import extractRegexResult
 from lib.core.common import extractTextTagContent
 from lib.core.common import findDynamicContent
 from lib.core.common import Format
-from lib.core.common import getComparePageRatio
 from lib.core.common import getLastRequestHTTPError
 from lib.core.common import getSortedInjectionTests
 from lib.core.common import getUnicode
@@ -40,7 +39,6 @@ from lib.core.common import wasLastRequestHTTPError
 from lib.core.data import conf
 from lib.core.data import kb
 from lib.core.data import logger
-from lib.core.data import queries
 from lib.core.datatype import AttribDict
 from lib.core.datatype import InjectionDict
 from lib.core.enums import HEURISTIC_TEST
@@ -53,7 +51,6 @@ from lib.core.exception import sqlmapConnectionException
 from lib.core.exception import sqlmapNoneDataException
 from lib.core.exception import sqlmapSilentQuitException
 from lib.core.exception import sqlmapUserQuitException
-from lib.core.settings import CONSTANT_RATIO
 from lib.core.settings import FORMAT_EXCEPTION_STRINGS
 from lib.core.settings import HEURISTIC_CHECK_ALPHABET
 from lib.core.settings import SUHOSHIN_MAX_VALUE_LENGTH
diff --git a/lib/controller/controller.py b/lib/controller/controller.py
index 2a971f38a..96bffdca8 100644
--- a/lib/controller/controller.py
+++ b/lib/controller/controller.py
@@ -37,7 +37,6 @@ from lib.core.data import kb
 from lib.core.data import logger
 from lib.core.enums import HASHDB_KEYS
 from lib.core.enums import HEURISTIC_TEST
-from lib.core.enums import HTTPHEADER
 from lib.core.enums import HTTPMETHOD
 from lib.core.enums import PAYLOAD
 from lib.core.enums import PLACE
@@ -48,7 +47,6 @@ from lib.core.exception import sqlmapSilentQuitException
 from lib.core.exception import sqlmapValueException
 from lib.core.exception import sqlmapUserQuitException
 from lib.core.settings import ASP_NET_CONTROL_REGEX
-from lib.core.settings import DEFAULT_COOKIE_DELIMITER
 from lib.core.settings import DEFAULT_GET_POST_DELIMITER
 from lib.core.settings import EMPTY_FORM_FIELDS_REGEX
 from lib.core.settings import IGNORE_PARAMETERS
@@ -202,7 +200,6 @@ def __saveToResultsFile():
     if not conf.resultsFP:
         return
 
-    found = False
     results = {}
     techniques = dict(map(lambda x: (x[1], x[0]), getPublicTypeMembers(PAYLOAD.TECHNIQUE)))
 
@@ -255,7 +252,6 @@ def start():
         logger.info(infoMsg)
 
     hostCount = 0
-    cookieStr = ""
 
     for targetUrl, targetMethod, targetData, targetCookie in kb.targets:
         try:
diff --git a/lib/core/agent.py b/lib/core/agent.py
index 7513f9a93..17bfb1364 100644
--- a/lib/core/agent.py
+++ b/lib/core/agent.py
@@ -7,8 +7,6 @@ See the file 'doc/COPYING' for copying permission
 
 import re
 
-from xml.etree import ElementTree as ET
-
 from lib.core.common import Backend
 from lib.core.common import extractRegexResult
 from lib.core.common import getSQLSnippet
@@ -22,7 +20,6 @@ from lib.core.data import conf
 from lib.core.data import kb
 from lib.core.data import queries
 from lib.core.dicts import FROM_DUMMY_TABLE
-from lib.core.dicts import SQL_STATEMENTS
 from lib.core.enums import DBMS
 from lib.core.enums import PAYLOAD
 from lib.core.enums import PLACE
diff --git a/lib/core/common.py b/lib/core/common.py
index b55d96ca0..18a6459b7 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -15,7 +15,6 @@ import inspect
 import logging
 import ntpath
 import os
-import pickle
 import posixpath
 import random
 import re
@@ -36,8 +35,6 @@ from math import sqrt
 from optparse import OptionValueError
 from subprocess import PIPE
 from subprocess import Popen as execute
-from tempfile import mkstemp
-from xml.etree import ElementTree as ET
 from xml.dom import minidom
 from xml.sax import parse
 
@@ -78,7 +75,6 @@ from lib.core.exception import sqlmapMissingDependence
 from lib.core.exception import sqlmapSilentQuitException
 from lib.core.exception import sqlmapSyntaxException
 from lib.core.exception import sqlmapUserQuitException
-from lib.core.log import FORMATTER
 from lib.core.log import LOGGER_HANDLER
 from lib.core.optiondict import optDict
 from lib.core.settings import BOLD_PATTERNS
@@ -3325,7 +3321,7 @@ def isNumber(value):
     """
 
     try:
-        _ = float(value)
+        float(value)
     except:
         return False
     else:
diff --git a/lib/core/convert.py b/lib/core/convert.py
index 407d06765..852347d1c 100644
--- a/lib/core/convert.py
+++ b/lib/core/convert.py
@@ -12,12 +12,9 @@ except:
     import sha
 
 import pickle
-import re
 import sys
 import struct
-import urllib
 
-from lib.core.enums import PLACE
 from lib.core.settings import IS_WIN
 from lib.core.settings import UNICODE_ENCODING
 
diff --git a/lib/core/dump.py b/lib/core/dump.py
index ce4d8665c..363e39b9b 100644
--- a/lib/core/dump.py
+++ b/lib/core/dump.py
@@ -6,9 +6,7 @@ See the file 'doc/COPYING' for copying permission
 """
 
 import codecs
-import re
 import os
-import StringIO
 import threading
 
 from xml.dom.minidom import getDOMImplementation
diff --git a/lib/core/option.py b/lib/core/option.py
index c7aa7ed48..d47d42ac0 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -5,7 +5,6 @@ Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
 See the file 'doc/COPYING' for copying permission
 """
 
-import codecs
 import cookielib
 import inspect
 import logging
diff --git a/lib/core/replication.py b/lib/core/replication.py
index c8eb7962b..b201a577b 100644
--- a/lib/core/replication.py
+++ b/lib/core/replication.py
@@ -10,7 +10,6 @@ import sqlite3
 from extra.safe2bin.safe2bin import safechardecode
 from lib.core.common import unsafeSQLIdentificatorNaming
 from lib.core.exception import sqlmapGenericException
-from lib.core.exception import sqlmapMissingDependence
 from lib.core.exception import sqlmapValueException
 
 class Replication(object):
diff --git a/lib/core/session.py b/lib/core/session.py
index 9ad0387df..784ae6b7c 100644
--- a/lib/core/session.py
+++ b/lib/core/session.py
@@ -10,18 +10,11 @@ import re
 from lib.core.common import Backend
 from lib.core.common import Format
 from lib.core.common import hashDBWrite
-from lib.core.common import intersect
-from lib.core.common import readInput
-from lib.core.common import singleTimeWarnMessage
-from lib.core.convert import base64pickle
-from lib.core.convert import base64unpickle
-from lib.core.data import conf
 from lib.core.data import kb
 from lib.core.data import logger
 from lib.core.enums import HASHDB_KEYS
 from lib.core.enums import OS
 from lib.core.settings import SUPPORTED_DBMS
-from lib.core.settings import UNKNOWN_DBMS_VERSION
 
 def setDbms(dbms):
     """
diff --git a/lib/core/target.py b/lib/core/target.py
index 179eb3f76..4e6b1bf90 100644
--- a/lib/core/target.py
+++ b/lib/core/target.py
@@ -5,7 +5,6 @@ Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
 See the file 'doc/COPYING' for copying permission
 """
 
-import binascii
 import codecs
 import os
 import re
@@ -37,7 +36,6 @@ from lib.core.exception import sqlmapGenericException
 from lib.core.exception import sqlmapMissingPrivileges
 from lib.core.exception import sqlmapSyntaxException
 from lib.core.exception import sqlmapUserQuitException
-from lib.core.option import authHandler
 from lib.core.option import __setDBMS
 from lib.core.option import __setKnowledgeBaseAttributes
 from lib.core.option import __setAuthCred
@@ -49,7 +47,6 @@ from lib.core.settings import REFERER_ALIASES
 from lib.core.settings import RESULTS_FILE_FORMAT
 from lib.core.settings import SOAP_RECOGNITION_REGEX
 from lib.core.settings import SUPPORTED_DBMS
-from lib.core.settings import UNENCODED_ORIGINAL_VALUE
 from lib.core.settings import UNICODE_ENCODING
 from lib.core.settings import UNKNOWN_DBMS_VERSION
 from lib.core.settings import URI_INJECTABLE_REGEX
diff --git a/lib/core/unescaper.py b/lib/core/unescaper.py
index 922e7d4b4..01112e8f1 100644
--- a/lib/core/unescaper.py
+++ b/lib/core/unescaper.py
@@ -7,7 +7,6 @@ See the file 'doc/COPYING' for copying permission
 
 from lib.core.common import Backend
 from lib.core.data import conf
-from lib.core.data import kb
 from lib.core.datatype import AttribDict
 from lib.core.settings import EXCLUDE_UNESCAPE
 
diff --git a/lib/core/update.py b/lib/core/update.py
index e929add3e..f00eba8ef 100644
--- a/lib/core/update.py
+++ b/lib/core/update.py
@@ -13,15 +13,12 @@ from subprocess import PIPE
 from subprocess import Popen as execute
 
 from lib.core.common import dataToStdout
-from lib.core.common import getUnicode
 from lib.core.data import conf
 from lib.core.data import logger
 from lib.core.data import paths
 from lib.core.revision import getRevisionNumber
 from lib.core.settings import GIT_REPOSITORY
 from lib.core.settings import IS_WIN
-from lib.core.settings import REVISION
-from lib.core.settings import UNICODE_ENCODING
 from lib.core.subprocessng import pollProcess
 
 def update():
diff --git a/lib/parse/cmdline.py b/lib/parse/cmdline.py
index ac1759d4d..3f1f424bf 100644
--- a/lib/parse/cmdline.py
+++ b/lib/parse/cmdline.py
@@ -20,7 +20,6 @@ from lib.core.defaults import defaults
 from lib.core.settings import BASIC_HELP_ITEMS
 from lib.core.settings import IS_WIN
 from lib.core.settings import MAX_HELP_OPTION_LENGTH
-from lib.core.settings import VERSION_STRING
 
 def cmdLineParser():
     """
diff --git a/lib/request/connect.py b/lib/request/connect.py
index e61cd110b..6221cec76 100644
--- a/lib/request/connect.py
+++ b/lib/request/connect.py
@@ -182,7 +182,7 @@ class Connect(object):
         ua = kwargs.get('ua',                       None)
         referer = kwargs.get('referer',             None)
         host = kwargs.get('host',                   conf.host)
-        direct = kwargs.get('direct',               False)
+        direct_ = kwargs.get('direct',               False)
         multipart = kwargs.get('multipart',         False)
         silent = kwargs.get('silent',               False)
         raise404 = kwargs.get('raise404',           True)
@@ -235,7 +235,7 @@ class Connect(object):
             else:
                 socket.setdefaulttimeout(conf.timeout)
 
-            if direct:
+            if direct_:
                 if "?" in url:
                     url, params = url.split("?")
                     params = urlencode(params)
diff --git a/lib/request/dns.py b/lib/request/dns.py
index 21e0245de..3706e3f04 100644
--- a/lib/request/dns.py
+++ b/lib/request/dns.py
@@ -6,7 +6,6 @@ See the file 'doc/COPYING' for copying permission
 """
 
 import os
-import random
 import re
 import socket
 import threading
diff --git a/lib/request/inject.py b/lib/request/inject.py
index 80a150f5f..045bff610 100644
--- a/lib/request/inject.py
+++ b/lib/request/inject.py
@@ -25,9 +25,7 @@ from lib.core.common import isTechniqueAvailable
 from lib.core.common import parseUnionPage
 from lib.core.common import popValue
 from lib.core.common import pushValue
-from lib.core.common import randomInt
 from lib.core.common import readInput
-from lib.core.common import safeStringFormat
 from lib.core.common import singleTimeWarnMessage
 from lib.core.data import conf
 from lib.core.data import kb
@@ -40,11 +38,9 @@ from lib.core.enums import EXPECTED
 from lib.core.enums import PAYLOAD
 from lib.core.exception import sqlmapNotVulnerableException
 from lib.core.exception import sqlmapUserQuitException
-from lib.core.settings import MIN_TIME_RESPONSES
 from lib.core.settings import MAX_TECHNIQUES_PER_VALUE
 from lib.core.settings import SQL_SCALAR_REGEX
 from lib.core.threads import getCurrentThreadData
-from lib.core.unescaper import unescaper
 from lib.request.connect import Connect as Request
 from lib.request.direct import direct
 from lib.techniques.blind.inference import bisection
diff --git a/lib/request/redirecthandler.py b/lib/request/redirecthandler.py
index 7062a9724..fa017759f 100644
--- a/lib/request/redirecthandler.py
+++ b/lib/request/redirecthandler.py
@@ -8,7 +8,6 @@ See the file 'doc/COPYING' for copying permission
 import urllib2
 import urlparse
 
-from lib.core.data import conf
 from lib.core.data import kb
 from lib.core.data import logger
 from lib.core.common import getHostHeader
diff --git a/lib/takeover/udf.py b/lib/takeover/udf.py
index 875ffc52c..3eb18a645 100644
--- a/lib/takeover/udf.py
+++ b/lib/takeover/udf.py
@@ -13,7 +13,6 @@ from lib.core.common import Backend
 from lib.core.common import isTechniqueAvailable
 from lib.core.common import readInput
 from lib.core.data import conf
-from lib.core.data import kb
 from lib.core.data import logger
 from lib.core.data import queries
 from lib.core.enums import DBMS
diff --git a/lib/takeover/xp_cmdshell.py b/lib/takeover/xp_cmdshell.py
index d7b024b66..ed75645ab 100644
--- a/lib/takeover/xp_cmdshell.py
+++ b/lib/takeover/xp_cmdshell.py
@@ -30,7 +30,6 @@ from lib.core.enums import HASHDB_KEYS
 from lib.core.enums import PAYLOAD
 from lib.core.exception import sqlmapUnsupportedFeatureException
 from lib.core.threads import getCurrentThreadData
-from lib.core.unescaper import unescaper
 from lib.request import inject
 
 class xp_cmdshell:
diff --git a/lib/techniques/blind/inference.py b/lib/techniques/blind/inference.py
index 028749c29..a11f10586 100644
--- a/lib/techniques/blind/inference.py
+++ b/lib/techniques/blind/inference.py
@@ -5,7 +5,6 @@ Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
 See the file 'doc/COPYING' for copying permission
 """
 
-import re
 import threading
 import time
 
@@ -24,7 +23,6 @@ from lib.core.common import getPartRun
 from lib.core.common import hashDBRetrieve
 from lib.core.common import hashDBWrite
 from lib.core.common import incrementCounter
-from lib.core.common import randomStr
 from lib.core.common import safeStringFormat
 from lib.core.common import singleTimeWarnMessage
 from lib.core.data import conf
diff --git a/lib/techniques/brute/use.py b/lib/techniques/brute/use.py
index 564165da6..72624d6af 100644
--- a/lib/techniques/brute/use.py
+++ b/lib/techniques/brute/use.py
@@ -13,7 +13,6 @@ from lib.core.common import filterListValue
 from lib.core.common import getFileItems
 from lib.core.common import Backend
 from lib.core.common import getPageWordSet
-from lib.core.common import hashDBRetrieve
 from lib.core.common import hashDBWrite
 from lib.core.common import randomInt
 from lib.core.common import randomStr
diff --git a/lib/techniques/dns/use.py b/lib/techniques/dns/use.py
index 150e40aa8..c363567f4 100644
--- a/lib/techniques/dns/use.py
+++ b/lib/techniques/dns/use.py
@@ -7,7 +7,6 @@ See the file 'doc/COPYING' for copying permission
 
 import re
 import time
-import string
 
 from extra.safe2bin.safe2bin import safecharencode
 from lib.core.agent import agent
@@ -21,7 +20,6 @@ from lib.core.common import hashDBRetrieve
 from lib.core.common import hashDBWrite
 from lib.core.common import randomInt
 from lib.core.common import randomStr
-from lib.core.common import safecharencode
 from lib.core.common import safeStringFormat
 from lib.core.common import singleTimeWarnMessage
 from lib.core.data import conf
diff --git a/lib/techniques/error/use.py b/lib/techniques/error/use.py
index 8a7cd61a1..1707512df 100644
--- a/lib/techniques/error/use.py
+++ b/lib/techniques/error/use.py
@@ -32,7 +32,6 @@ from lib.core.data import logger
 from lib.core.data import queries
 from lib.core.dicts import FROM_DUMMY_TABLE
 from lib.core.enums import DBMS
-from lib.core.enums import PAYLOAD
 from lib.core.settings import CHECK_ZERO_COLUMNS_THRESHOLD
 from lib.core.settings import MYSQL_ERROR_CHUNK_LENGTH
 from lib.core.settings import MSSQL_ERROR_CHUNK_LENGTH
diff --git a/lib/utils/deps.py b/lib/utils/deps.py
index 451ec63d7..a1e21a569 100644
--- a/lib/utils/deps.py
+++ b/lib/utils/deps.py
@@ -89,3 +89,5 @@ def checkDependencies():
 
     if len(missing_libraries) == 0:
         infoMsg = "all dependencies are installed"
+        logger.info(infoMsg)
+
diff --git a/lib/utils/google.py b/lib/utils/google.py
index a7366b819..3db9c62a8 100644
--- a/lib/utils/google.py
+++ b/lib/utils/google.py
@@ -13,17 +13,13 @@ import urllib
 import urllib2
 
 from lib.core.common import getUnicode
-from lib.core.common import readInput
-from lib.core.common import urldecode
 from lib.core.common import urlencode
 from lib.core.data import conf
-from lib.core.data import kb
 from lib.core.data import logger
 from lib.core.exception import sqlmapConnectionException
 from lib.core.exception import sqlmapGenericException
 from lib.core.settings import GOOGLE_REGEX
 from lib.core.settings import UNICODE_ENCODING
-from lib.core.settings import URI_INJECTABLE_REGEX
 from lib.request.basic import decodePage
 
 class Google(object):
@@ -42,9 +38,9 @@ class Google(object):
 
         try:
             conn = self.opener.open("http://www.google.com/ncr")
-            _ = conn.info()  # retrieve session cookie
+            conn.info()  # retrieve session cookie
         except urllib2.HTTPError, e:
-            _ = e.info()
+            e.info()
         except urllib2.URLError:
             errMsg = "unable to connect to Google"
             raise sqlmapConnectionException, errMsg
diff --git a/lib/utils/pivotdumptable.py b/lib/utils/pivotdumptable.py
index 01305cc84..a07e5bb8c 100644
--- a/lib/utils/pivotdumptable.py
+++ b/lib/utils/pivotdumptable.py
@@ -8,7 +8,6 @@ See the file 'doc/COPYING' for copying permission
 from extra.safe2bin.safe2bin import safechardecode
 from lib.core.bigarray import BigArray
 from lib.core.common import Backend
-from lib.core.common import decodeIntToUnicode
 from lib.core.common import isNoneValue
 from lib.core.common import isNumPosStrValue
 from lib.core.common import singleTimeWarnMessage
@@ -21,7 +20,6 @@ from lib.core.enums import CHARSET_TYPE
 from lib.core.enums import EXPECTED
 from lib.core.exception import sqlmapConnectionException
 from lib.core.exception import sqlmapNoneDataException
-from lib.core.settings import INFERENCE_UNKNOWN_CHAR
 from lib.core.settings import MAX_INT
 from lib.core.unescaper import unescaper
 from lib.request import inject
diff --git a/plugins/dbms/access/fingerprint.py b/plugins/dbms/access/fingerprint.py
index 798f37e2d..384c792c9 100644
--- a/plugins/dbms/access/fingerprint.py
+++ b/plugins/dbms/access/fingerprint.py
@@ -93,7 +93,7 @@ class Fingerprint(GenericFingerprint):
 
         randInt = randomInt()
         randStr = randomStr()
-        _ = inject.checkBooleanExpression("EXISTS(SELECT * FROM %s.%s WHERE %d=%d)" % (randStr, randStr, randInt, randInt))
+        inject.checkBooleanExpression("EXISTS(SELECT * FROM %s.%s WHERE %d=%d)" % (randStr, randStr, randInt, randInt))
 
         if wasLastRequestDBMSError():
             threadData = getCurrentThreadData()
diff --git a/plugins/dbms/firebird/connector.py b/plugins/dbms/firebird/connector.py
index c6e714208..c8c9cf936 100644
--- a/plugins/dbms/firebird/connector.py
+++ b/plugins/dbms/firebird/connector.py
@@ -12,6 +12,7 @@ except ImportError:
 
 import logging
 
+from lib.core.data import conf
 from lib.core.data import logger
 from lib.core.exception import sqlmapConnectionException
 from lib.core.settings import UNICODE_ENCODING
diff --git a/plugins/dbms/oracle/connector.py b/plugins/dbms/oracle/connector.py
index 9c3f16164..86ba3adde 100644
--- a/plugins/dbms/oracle/connector.py
+++ b/plugins/dbms/oracle/connector.py
@@ -42,7 +42,7 @@ class Connector(GenericConnector):
         try:
             self.connector = cx_Oracle.connect(dsn=self.__dsn, user=self.user, password=self.password, mode=cx_Oracle.SYSDBA)
             logger.info("successfully connected as SYSDBA")
-        except (cx_Oracle.OperationalError, cx_Oracle.DatabaseError), _:
+        except (cx_Oracle.OperationalError, cx_Oracle.DatabaseError):
             try:
                 self.connector = cx_Oracle.connect(dsn=self.__dsn, user=self.user, password=self.password)
             except (cx_Oracle.OperationalError, cx_Oracle.DatabaseError), msg:
diff --git a/plugins/dbms/oracle/enumeration.py b/plugins/dbms/oracle/enumeration.py
index df7d63996..83055bae7 100644
--- a/plugins/dbms/oracle/enumeration.py
+++ b/plugins/dbms/oracle/enumeration.py
@@ -88,8 +88,6 @@ class Enumeration(GenericEnumeration):
                         kb.data.cachedUsersRoles[user] = list(roles)
 
         if not kb.data.cachedUsersRoles and isInferenceAvailable() and not conf.direct:
-            conditionChar = "="
-
             if conf.user:
                 users = conf.user.split(",")
             else:
diff --git a/plugins/generic/custom.py b/plugins/generic/custom.py
index 89102a9ab..bcc1bafd7 100644
--- a/plugins/generic/custom.py
+++ b/plugins/generic/custom.py
@@ -13,9 +13,7 @@ from lib.core.common import getSQLSnippet
 from lib.core.common import isTechniqueAvailable
 from lib.core.convert import utf8decode
 from lib.core.data import conf
-from lib.core.data import kb
 from lib.core.data import logger
-from lib.core.data import queries
 from lib.core.dicts import SQL_STATEMENTS
 from lib.core.enums import PAYLOAD
 from lib.core.settings import PARAMETER_SPLITTING_REGEX
diff --git a/plugins/generic/entries.py b/plugins/generic/entries.py
index 3869188cc..d5cbc21da 100644
--- a/plugins/generic/entries.py
+++ b/plugins/generic/entries.py
@@ -5,11 +5,9 @@ Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
 See the file 'doc/COPYING' for copying permission
 """
 
-from extra.safe2bin.safe2bin import safechardecode
 from lib.core.bigarray import BigArray
 from lib.core.common import Backend
 from lib.core.common import clearConsoleLine
-from lib.core.common import decodeIntToUnicode
 from lib.core.common import getLimitRange
 from lib.core.common import getUnicode
 from lib.core.common import isInferenceAvailable
@@ -20,7 +18,6 @@ from lib.core.common import isTechniqueAvailable
 from lib.core.common import prioritySortColumns
 from lib.core.common import readInput
 from lib.core.common import safeSQLIdentificatorNaming
-from lib.core.common import singleTimeWarnMessage
 from lib.core.common import unArrayizeValue
 from lib.core.common import unsafeSQLIdentificatorNaming
 from lib.core.data import conf
@@ -38,7 +35,6 @@ from lib.core.exception import sqlmapNoneDataException
 from lib.core.exception import sqlmapUnsupportedFeatureException
 from lib.core.settings import CHECK_ZERO_COLUMNS_THRESHOLD
 from lib.core.settings import CURRENT_DB
-from lib.core.settings import MAX_INT
 from lib.core.settings import NULL
 from lib.request import inject
 from lib.utils.hash import attackDumpedTable
diff --git a/plugins/generic/filesystem.py b/plugins/generic/filesystem.py
index 0d15ceb34..639099080 100644
--- a/plugins/generic/filesystem.py
+++ b/plugins/generic/filesystem.py
@@ -5,7 +5,6 @@ Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
 See the file 'doc/COPYING' for copying permission
 """
 
-import binascii
 import codecs
 import os
 
diff --git a/tamper/bluecoat.py b/tamper/bluecoat.py
index 0e1829683..1f85be0bd 100644
--- a/tamper/bluecoat.py
+++ b/tamper/bluecoat.py
@@ -5,11 +5,8 @@ Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
 See the file 'doc/COPYING' for copying permission
 """
 
-import os
 import re
 
-from lib.core.common import singleTimeWarnMessage
-from lib.core.enums import DBMS
 from lib.core.enums import PRIORITY
 
 __priority__ = PRIORITY.NORMAL
diff --git a/tamper/securesphere.py b/tamper/securesphere.py
index a6755a25a..eb25f6ace 100644
--- a/tamper/securesphere.py
+++ b/tamper/securesphere.py
@@ -5,8 +5,6 @@ Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
 See the file 'doc/COPYING' for copying permission
 """
 
-from lib.core.common import randomRange
-from lib.core.data import kb
 from lib.core.enums import PRIORITY
 
 __priority__ = PRIORITY.NORMAL
diff --git a/tamper/unionalltounion.py b/tamper/unionalltounion.py
index 1f8b3c710..0902fec5e 100644
--- a/tamper/unionalltounion.py
+++ b/tamper/unionalltounion.py
@@ -5,8 +5,6 @@ Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
 See the file 'doc/COPYING' for copying permission
 """
 
-import re
-
 from lib.core.enums import PRIORITY
 
 __priority__ = PRIORITY.HIGHEST