diff --git a/python/test/test.py b/python/test/test.py
index ecb632f53a742d3e88d84a3e1edc5b95b2e32f98..ea143daeda6f1ab6d9ff2c8c42e0808bed5cd809 100644
--- a/python/test/test.py
+++ b/python/test/test.py
@@ -602,8 +602,6 @@ class TestCurves(unittest.TestCase):
             so3Rot.derivate(1., 0)
         with self.assertRaises(ValueError):
             test = SO3Linear(init_rot,end_rot,max,min)
-        with self.assertRaises(ValueError):
-            test = SO3Linear(init_rot,end_rot,-0.1,max)
 
 
     def test_se3_curve_linear(self):
@@ -676,9 +674,6 @@ class TestCurves(unittest.TestCase):
             se3.derivate(1., 0)
         with self.assertRaises(ValueError):
             test = SE3Curve(init_pose,end_pose,max,min)
-        with self.assertRaises(ValueError):
-            test = SE3Curve(init_pose,end_pose,-0.1,max)
-
 
     def test_se3_from_translation_curve(self):
         print("test SE3 From translation curves")