diff --git a/tests/test_calibration.py b/tests/test_calibration.py
index 0190bea3..86a48567 100644
--- a/tests/test_calibration.py
+++ b/tests/test_calibration.py
@@ -374,10 +374,6 @@
 }
 
 
-@pytest.mark.xfail(
-    reason="Some platform and Python versions combinations raise errors for certain models",
-    strict=False,
-)
 def test_spotpy_calibration(symbolic_config):
     """Confirm that calibration actually improves the NSE."""
     name, cls = symbolic_config