diff --git a/product/ERP5Type/tests/ERP5TypeFunctionalTestCase.py b/product/ERP5Type/tests/ERP5TypeFunctionalTestCase.py
index 4c2fdd7ba5688bf7c782c0b3f1bf16ac91d2e6af..c089364ee0f7867b447f6f7a3c059f021d314010 100644
--- a/product/ERP5Type/tests/ERP5TypeFunctionalTestCase.py
+++ b/product/ERP5Type/tests/ERP5TypeFunctionalTestCase.py
@@ -30,7 +30,6 @@
 import os
 import sys
 import time
-import signal
 import re
 import subprocess
 import shutil