diff --git a/Orange/tests/test_table.py b/Orange/tests/test_table.py
index efd98ec0e1c..48169853a2e 100644
--- a/Orange/tests/test_table.py
+++ b/Orange/tests/test_table.py
@@ -618,10 +618,6 @@ def test_extend(self):
         for i in range(5):
             self.assertEqual(d[i], d[-5 + i])
 
-        x = d[:5]
-        with self.assertRaises(ValueError):
-            d.extend(x)
-
         y = d[:2, 1]
         x.ensure_copy()
         x.extend(y)