diff --git a/pySim/card_handler.py b/pySim/card_handler.py
index eaa838bf..9beab512 100644
--- a/pySim/card_handler.py
+++ b/pySim/card_handler.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 """ pySim: card handler utilities
diff --git a/pySim/cards.py b/pySim/cards.py
index 850d084b..41dd1798 100644
--- a/pySim/cards.py
+++ b/pySim/cards.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """ pySim: Card programmation logic
diff --git a/pySim/commands.py b/pySim/commands.py
index 7b8ebec9..327de574 100644
--- a/pySim/commands.py
+++ b/pySim/commands.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """ pySim: SIM Card commands according to ISO 7816-4 and TS 11.11
diff --git a/pySim/exceptions.py b/pySim/exceptions.py
index 68303e1a..c0cf1e71 100644
--- a/pySim/exceptions.py
+++ b/pySim/exceptions.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """ pySim: Exceptions
diff --git a/pySim/transport/__init__.py b/pySim/transport/__init__.py
index 69e2fe9a..8e009ee5 100644
--- a/pySim/transport/__init__.py
+++ b/pySim/transport/__init__.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """ pySim: PCSC reader transport link base
diff --git a/pySim/transport/calypso.py b/pySim/transport/calypso.py
index fd501b5b..fd2e1101 100644
--- a/pySim/transport/calypso.py
+++ b/pySim/transport/calypso.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """ pySim: Transport Link for Calypso bases phones
diff --git a/pySim/transport/modem_atcmd.py b/pySim/transport/modem_atcmd.py
index 742ae8d4..ccf608ca 100644
--- a/pySim/transport/modem_atcmd.py
+++ b/pySim/transport/modem_atcmd.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """ pySim: Transport Link for 3GPP TS 27.007 compliant modems
diff --git a/pySim/transport/pcsc.py b/pySim/transport/pcsc.py
index 7b508697..fadf6f93 100644
--- a/pySim/transport/pcsc.py
+++ b/pySim/transport/pcsc.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """ pySim: PCSC reader transport link
diff --git a/pySim/transport/serial.py b/pySim/transport/serial.py
index 7785b4a8..11104b1d 100644
--- a/pySim/transport/serial.py
+++ b/pySim/transport/serial.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """ pySim: Transport Link for serial (RS232) based readers included with simcard
diff --git a/pySim/ts_31_102.py b/pySim/ts_31_102.py
index 8979d49c..e7f27b04 100644
--- a/pySim/ts_31_102.py
+++ b/pySim/ts_31_102.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """
diff --git a/pySim/ts_31_103.py b/pySim/ts_31_103.py
index d48ff97c..d9b771d5 100644
--- a/pySim/ts_31_103.py
+++ b/pySim/ts_31_103.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """
diff --git a/pySim/ts_51_011.py b/pySim/ts_51_011.py
index 8b73f02c..ef40ba19 100644
--- a/pySim/ts_51_011.py
+++ b/pySim/ts_51_011.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """ Various constants from ETSI TS 151.011
diff --git a/pySim/utils.py b/pySim/utils.py
index 67bfa747..1373551b 100644
--- a/pySim/utils.py
+++ b/pySim/utils.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """ pySim: various utilities