diff --git a/lib/core/settings.py b/lib/core/settings.py
index c5a6196ec..29fa5237f 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.2.7.23"
+VERSION = "1.2.7.24"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
diff --git a/lib/techniques/blind/inference.py b/lib/techniques/blind/inference.py
index 2ed93597b..4dca1afb4 100644
--- a/lib/techniques/blind/inference.py
+++ b/lib/techniques/blind/inference.py
@@ -472,7 +472,6 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
                             currentCharIndex = threadData.shared.index[0]
 
                         if kb.threadContinue:
-                            start = time.time()
                             val = getChar(currentCharIndex, asciiTbl, not(charsetType is None and conf.charset))
                             if val is None:
                                 val = INFERENCE_UNKNOWN_CHAR
@@ -553,7 +552,6 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
 
             while True:
                 index += 1
-                start = time.time()
 
                 # Common prediction feature (a.k.a. "good samaritan")
                 # NOTE: to be used only when multi-threading is not set for
diff --git a/lib/techniques/error/use.py b/lib/techniques/error/use.py
index 0674f38d6..08399cca4 100644
--- a/lib/techniques/error/use.py
+++ b/lib/techniques/error/use.py
@@ -402,7 +402,6 @@ def errorUse(expression, dump=False):
                         while kb.threadContinue:
                             with kb.locks.limit:
                                 try:
-                                    valueStart = time.time()
                                     threadData.shared.counter += 1
                                     num = threadData.shared.limits.next()
                                 except StopIteration:
diff --git a/lib/techniques/union/use.py b/lib/techniques/union/use.py
index 1e65f67dc..795443b86 100644
--- a/lib/techniques/union/use.py
+++ b/lib/techniques/union/use.py
@@ -312,7 +312,6 @@ def unionUse(expression, unpack=True, dump=False):
                         while kb.threadContinue:
                             with kb.locks.limit:
                                 try:
-                                    valueStart = time.time()
                                     threadData.shared.counter += 1
                                     num = threadData.shared.limits.next()
                                 except StopIteration:
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index 3fc726e5d..c7626ee4d 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -48,7 +48,7 @@ c8c386d644d57c659d74542f5f57f632  lib/core/patch.py
 0c3eef46bdbf87e29a3f95f90240d192  lib/core/replication.py
 a7db43859b61569b601b97f187dd31c5  lib/core/revision.py
 fcb74fcc9577523524659ec49e2e964b  lib/core/session.py
-23138239bf2e6e9a5c2e383862a6fe59  lib/core/settings.py
+04a6fc212870f1d01eff7a60bbf24d64  lib/core/settings.py
 dd68a9d02fccb4fa1428b20e15b0db5d  lib/core/shell.py
 a7edc9250d13af36ac0108f259859c19  lib/core/subprocessng.py
 12bed9603b6fba3e5ffda11d584bc449  lib/core/target.py
@@ -89,17 +89,17 @@ fb9e34d558293b5d6b9727f440712886  lib/takeover/registry.py
 48575dde7bb867b7937769f569a98309  lib/takeover/udf.py
 f6f835e4190a55e42d13c1e7ca3f728f  lib/takeover/web.py
 debc36a3ff80ba915aeeee69b21a8ddc  lib/takeover/xp_cmdshell.py
-09beb19c2ec9fdd14329f1c0b59a2d05  lib/techniques/blind/inference.py
+0e9d37cbeabd1bbbfe2c53f01bbb6a6e  lib/techniques/blind/inference.py
 1e5532ede194ac9c083891c2f02bca93  lib/techniques/blind/__init__.py
 1e5532ede194ac9c083891c2f02bca93  lib/techniques/dns/__init__.py
 799faf9008527d2e9da9d923e50f685a  lib/techniques/dns/test.py
 48a24f48da791e67309003fd5e8428cb  lib/techniques/dns/use.py
 1e5532ede194ac9c083891c2f02bca93  lib/techniques/error/__init__.py
-350d39006cf94151738a95c8d92caa28  lib/techniques/error/use.py
+6007347548e85383705eaa4b863448a2  lib/techniques/error/use.py
 1e5532ede194ac9c083891c2f02bca93  lib/techniques/__init__.py
 1e5532ede194ac9c083891c2f02bca93  lib/techniques/union/__init__.py
 94d7a22bb6725a91e84ba2cd9973e96d  lib/techniques/union/test.py
-bfa5bcc4058eeb05c07f6e50f91952b6  lib/techniques/union/use.py
+7361338240ecd9d01d1d10ec76bce069  lib/techniques/union/use.py
 77ff35587af9e3dfde63b8327e230f9a  lib/utils/api.py
 37dfb641358669f62c2acedff241348b  lib/utils/brute.py
 31b1e7eb489eac837db6a2bc1dcb7da7  lib/utils/crawler.py