diff --git a/unittest/unittest_utils.py b/unittest/unittest_utils.py
index d6ec1c670382e60a555ef1a14ea38994dcb85887..1d5ee03988791ca0d6bdfc3beec98cc0bdb94442 100644
--- a/unittest/unittest_utils.py
+++ b/unittest/unittest_utils.py
@@ -50,7 +50,6 @@ def loadTalos(modelPath='/opt/openrobots/share/example-robot-data'):
 
 def loadHyQ(modelPath='/opt/openrobots/share/example-robot-data'):
     from pinocchio import JointModelFreeFlyer
-    import os
     URDF_FILENAME = "hyq_no_sensors.urdf"
     URDF_SUBPATH = "/hyq/" + URDF_FILENAME
     robot = RobotWrapper.BuildFromURDF(modelPath+URDF_SUBPATH, [modelPath],