diff --git a/port/PyAssimp/pyassimp/core.py b/port/PyAssimp/pyassimp/core.py
index d908fab9c..60a2d8f92 100644
--- a/port/PyAssimp/pyassimp/core.py
+++ b/port/PyAssimp/pyassimp/core.py
@@ -13,12 +13,9 @@ if sys.version_info < (2,6):
 if sys.version_info >= (3,0):
     xrange = range
 
-import ctypes
-import os
 
 try: import numpy
 except: numpy = None
-
 import logging
 import ctypes
 logger = logging.getLogger("pyassimp")