diff --git a/Cassiopee/Apps/test/IBMrotationCompute_t1.py b/Cassiopee/Apps/test/IBMrotationCompute_t1.py
index bb2dfe7bd..93f46bb5c 100644
--- a/Cassiopee/Apps/test/IBMrotationCompute_t1.py
+++ b/Cassiopee/Apps/test/IBMrotationCompute_t1.py
@@ -11,7 +11,6 @@
 import Transform.PyTree as T
 import KCore.test as test
 import math, os
-import subprocess
 import numpy
 
 LOCAL = test.getLocal()