diff --git a/pySim/exceptions.py b/pySim/exceptions.py
index 156ec623..2ffe5f97 100644
--- a/pySim/exceptions.py
+++ b/pySim/exceptions.py
@@ -21,14 +21,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-from __future__ import absolute_import
-
-try:
-	# This is for compatibility with python 2 and 3
-	from exceptions import Exception
-except:
-	pass
-
 class NoCardError(Exception):
 	pass
 
diff --git a/pySim/transport/calypso.py b/pySim/transport/calypso.py
index fd2e1101..7f99d21d 100644
--- a/pySim/transport/calypso.py
+++ b/pySim/transport/calypso.py
@@ -20,8 +20,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-from __future__ import absolute_import
-
 import select
 import struct
 import socket
diff --git a/pySim/transport/modem_atcmd.py b/pySim/transport/modem_atcmd.py
index ccf608ca..86d4443d 100644
--- a/pySim/transport/modem_atcmd.py
+++ b/pySim/transport/modem_atcmd.py
@@ -19,8 +19,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-from __future__ import absolute_import
-
 import logging as log
 import serial
 import time
diff --git a/pySim/transport/serial.py b/pySim/transport/serial.py
index 11104b1d..03d3f389 100644
--- a/pySim/transport/serial.py
+++ b/pySim/transport/serial.py
@@ -20,8 +20,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-from __future__ import absolute_import
-
 import serial
 import time
 import os.path