diff --git a/clear/main.py b/clear/main.py
index 23cbeb7e7d..a1dcc4d237 100755
--- a/clear/main.py
+++ b/clear/main.py
@@ -1,5 +1,3 @@
-#! /usr/bin/python -u
-
 import click
 import os
 import subprocess
diff --git a/config/kube.py b/config/kube.py
index b98b22da6a..5726d7881d 100644
--- a/config/kube.py
+++ b/config/kube.py
@@ -1,6 +1,3 @@
-#!/usr/bin/python -u
-# -*- coding: utf-8 -*-
-
 import fcntl
 import os
 import shutil
diff --git a/connect/main.py b/connect/main.py
index 224bd0174a..939db4b0c8 100755
--- a/connect/main.py
+++ b/connect/main.py
@@ -1,5 +1,3 @@
-#! /usr/bin/python -u
-
 import click
 import os
 import pexpect
diff --git a/counterpoll/main.py b/counterpoll/main.py
index 079ec2fce1..dbbbe7aac5 100644
--- a/counterpoll/main.py
+++ b/counterpoll/main.py
@@ -1,5 +1,3 @@
-#! /usr/bin/python -u
-
 import click
 import json
 import swsssdk
diff --git a/debug/main.py b/debug/main.py
index cbcca05064..b91d22e78a 100755
--- a/debug/main.py
+++ b/debug/main.py
@@ -1,6 +1,3 @@
-#! /usr/bin/python -u
-# date: 07/12/17
-
 import click
 import subprocess
 
diff --git a/pfcwd/main.py b/pfcwd/main.py
index 6c96c3b749..1076fa5e1b 100644
--- a/pfcwd/main.py
+++ b/pfcwd/main.py
@@ -1,5 +1,3 @@
-#! /usr/bin/python -u
-
 import os
 import sys
 
diff --git a/scripts/aclshow b/scripts/aclshow
index 22c263d405..7e4c42a435 100755
--- a/scripts/aclshow
+++ b/scripts/aclshow
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
 using aclshow to display SONiC switch acl rules and counters
 
diff --git a/scripts/dump_nat_entries.py b/scripts/dump_nat_entries.py
index 5535394907..09899b8336 100644
--- a/scripts/dump_nat_entries.py
+++ b/scripts/dump_nat_entries.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 """"
 Description: dump_nat_entries.py -- dump conntrack nat entries from kernel into a file
diff --git a/scripts/ecnconfig b/scripts/ecnconfig
index f9adad1d4e..4102f9d586 100755
--- a/scripts/ecnconfig
+++ b/scripts/ecnconfig
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
 ecnconfig is the utility to
 
diff --git a/scripts/fanshow b/scripts/fanshow
index e375e79d6c..e8d41c7517 100755
--- a/scripts/fanshow
+++ b/scripts/fanshow
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
     Script to show fan status.
 """
diff --git a/scripts/fdbclear b/scripts/fdbclear
index 522d78d13c..18fa286484 100644
--- a/scripts/fdbclear
+++ b/scripts/fdbclear
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
     Script to clear MAC/FDB entries learnt in Hardware
 
diff --git a/scripts/fdbshow b/scripts/fdbshow
index 14aea41544..b9f38a71fe 100755
--- a/scripts/fdbshow
+++ b/scripts/fdbshow
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
     Script to show MAC/FDB entries learnt in Hardware
     
diff --git a/scripts/gearboxutil b/scripts/gearboxutil
index 678b6b6484..f6027ea022 100755
--- a/scripts/gearboxutil
+++ b/scripts/gearboxutil
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!/usr/bin/env python
 
 import swsssdk
 import sys
diff --git a/scripts/intfutil b/scripts/intfutil
index 8ba3a9bb6b..eff145b9eb 100755
--- a/scripts/intfutil
+++ b/scripts/intfutil
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!/usr/bin/env python
 
 import argparse
 import os
diff --git a/scripts/mmuconfig b/scripts/mmuconfig
index 2ae7770178..ed9d2e52d3 100644
--- a/scripts/mmuconfig
+++ b/scripts/mmuconfig
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
 mmuconfig is the utility to show and change mmu configuration
 
diff --git a/scripts/natclear b/scripts/natclear
index b2a516a0f5..37af71c8db 100644
--- a/scripts/natclear
+++ b/scripts/natclear
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
     Script to clear nat dynamic entries from Hardware and also to clear the nat statistics
 
diff --git a/scripts/natconfig b/scripts/natconfig
index 6a2467e21b..99e27a75f0 100644
--- a/scripts/natconfig
+++ b/scripts/natconfig
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 """
     Script to show nat configuration 
diff --git a/scripts/natshow b/scripts/natshow
index 6016d1a17b..5dac14be73 100644
--- a/scripts/natshow
+++ b/scripts/natshow
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 """
     Script to show nat entries and nat statistics in a summary view
diff --git a/scripts/nbrshow b/scripts/nbrshow
index 73c5c67e07..f210f99d90 100644
--- a/scripts/nbrshow
+++ b/scripts/nbrshow
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
     Script to show Ipv4/Ipv6 neighbor entries
 
diff --git a/scripts/portconfig b/scripts/portconfig
index 0c9a47e8a0..5f700a1cf3 100755
--- a/scripts/portconfig
+++ b/scripts/portconfig
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
 portconfig is the utility to show and change ECN configuration
 
diff --git a/scripts/psushow b/scripts/psushow
index 20b2aa1e5f..b3af3faa83 100755
--- a/scripts/psushow
+++ b/scripts/psushow
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!/usr/bin/env python
 
 import argparse
 import sys
diff --git a/scripts/sfpshow b/scripts/sfpshow
index 1875e832c5..43f243ceb9 100755
--- a/scripts/sfpshow
+++ b/scripts/sfpshow
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
     Script to show sfp eeprom and presence status.
     Not like sfputil this scripts get the sfp data from DB directly.
diff --git a/scripts/sonic-kdump-config b/scripts/sonic-kdump-config
index c19b4dea16..5ef5a136ce 100755
--- a/scripts/sonic-kdump-config
+++ b/scripts/sonic-kdump-config
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 '''
 Copyright 2019 Broadcom. The term "Broadcom" refers to Broadcom Inc.
 and/or its subsidiaries.
diff --git a/scripts/sonic_sku_create.py b/scripts/sonic_sku_create.py
index c1ceda7e0a..d0256c7291 100755
--- a/scripts/sonic_sku_create.py
+++ b/scripts/sonic_sku_create.py
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
 usage: sonic_sku_create.py [-h] [-v] [-f FILE] [-m [MINIGRAPH_FILE]] [-b BASE]
                            [-r] [-k HWSKU]
diff --git a/scripts/tempershow b/scripts/tempershow
index 19b797b4c3..3bfb260e41 100644
--- a/scripts/tempershow
+++ b/scripts/tempershow
@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
 """
     Script to show fan status.
 """
diff --git a/scripts/watermarkstat b/scripts/watermarkstat
index b818411608..79c5a201e2 100755
--- a/scripts/watermarkstat
+++ b/scripts/watermarkstat
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 #####################################################################
 #
diff --git a/show/kube.py b/show/kube.py
index 59db972705..fbcfbe3e23 100644
--- a/show/kube.py
+++ b/show/kube.py
@@ -1,6 +1,3 @@
-#!/usr/bin/python -u
-# -*- coding: utf-8 -*-
-
 import os
 
 import click
diff --git a/show/main.py b/show/main.py
index e472292797..187e3ac25c 100755
--- a/show/main.py
+++ b/show/main.py
@@ -1,5 +1,3 @@
-#! /usr/bin/python -u
-
 import json
 import netaddr
 import os
diff --git a/sonic_installer/main.py b/sonic_installer/main.py
index 98909f4a42..6a6deaf5de 100644
--- a/sonic_installer/main.py
+++ b/sonic_installer/main.py
@@ -1,5 +1,3 @@
-#! /usr/bin/python -u
-
 try:
     import ConfigParser as configparser
 except ImportError:
diff --git a/tests/crm_test.py b/tests/crm_test.py
index f6fe980bd5..57e3f72ad5 100644
--- a/tests/crm_test.py
+++ b/tests/crm_test.py
@@ -999,7 +999,6 @@ def test_crm_show_resources_nexthop(self):
     @classmethod
     def teardown_class(cls):
         print("TEARDOWN")
-        os.environ["PATH"] = os.pathsep.join(os.environ["PATH"].split(os.pathsep)[:-1])
         os.environ["UTILITIES_UNIT_TESTING"] = "0"
 
 class TestCrmMultiAsic(object):
@@ -1295,7 +1294,6 @@ def test_crm_multi_asic_show_resources_nexthop(self):
     @classmethod
     def teardown_class(cls):
         print("TEARDOWN")
-        os.environ["PATH"] = os.pathsep.join(os.environ["PATH"].split(os.pathsep)[:-1])
         os.environ["UTILITIES_UNIT_TESTING"] = "0"
         os.environ["UTILITIES_UNIT_TESTING_TOPOLOGY"] = ""
         import mock_tables.mock_single_asic
diff --git a/tests/sflow_test.py b/tests/sflow_test.py
index a3c13f9ebc..4685ed679d 100644
--- a/tests/sflow_test.py
+++ b/tests/sflow_test.py
@@ -266,5 +266,4 @@ def test_config_sflow_intf_sample_rate(self):
     @classmethod
     def teardown_class(cls):
         print("TEARDOWN")
-        os.environ["PATH"] = os.pathsep.join(os.environ["PATH"].split(os.pathsep)[:-1])
         os.environ["UTILITIES_UNIT_TESTING"] = "0"
diff --git a/tests/show_breakout_test.py b/tests/show_breakout_test.py
index f3636e9907..5a55c81b6b 100644
--- a/tests/show_breakout_test.py
+++ b/tests/show_breakout_test.py
@@ -61,5 +61,4 @@ def test_single_intf_current_mode(self):
     @classmethod
     def teardown_class(cls):
         print("TEARDOWN")
-        os.environ["PATH"] = os.pathsep.join(os.environ["PATH"].split(os.pathsep)[:-1])
         os.environ["UTILITIES_UNIT_TESTING"] = "0"
diff --git a/tests/show_platform_test.py b/tests/show_platform_test.py
index 028a90fb69..ee30ea6825 100644
--- a/tests/show_platform_test.py
+++ b/tests/show_platform_test.py
@@ -54,5 +54,4 @@ def test_summary(self):
     @classmethod
     def teardown_class(cls):
         print("TEARDOWN")
-        os.environ["PATH"] = os.pathsep.join(os.environ["PATH"].split(os.pathsep)[:-1])
         os.environ["UTILITIES_UNIT_TESTING"] = "0"
diff --git a/tests/system_health_test.py b/tests/system_health_test.py
index 8e2a39c585..ea80c15a03 100644
--- a/tests/system_health_test.py
+++ b/tests/system_health_test.py
@@ -1,5 +1,3 @@
-#! /usr/bin/python -u
-
 import sys
 import os
 
diff --git a/undebug/main.py b/undebug/main.py
index 313c551cb6..9d77866fa8 100644
--- a/undebug/main.py
+++ b/undebug/main.py
@@ -1,6 +1,3 @@
-#! /usr/bin/python -u
-# date: 07/12/17
-
 import click
 import subprocess