diff --git a/Toolbox.py b/Toolbox.py
index 8093cee1fb748c63bfe6043195bad2c14361e080..864953374a10f2b319c05100c5423b242b91652f 100644
--- a/Toolbox.py
+++ b/Toolbox.py
@@ -21,7 +21,7 @@ from datetime import date
 
 import otbApplication as otb
 
-import os, sys, subprocess, glob, gc, psutil
+import os, sys, subprocess, glob
 import numpy as np
 import json
 import osgeo.gdal