diff --git a/tests/test_sktime.py b/tests/test_sktime.py
index be162cf..e3e8bef 100644
--- a/tests/test_sktime.py
+++ b/tests/test_sktime.py
@@ -25,8 +25,6 @@ class AutoRegressive(BaseNumpyroForecaster):
     Implements a basic Auto-Regressive model of order 1.
     """
 
-    moment_selector = np.mean
-
     def build_model(self, y, length: int, X=None, future=0, **kwargs):
         # parameters
         mu = numpyro.sample("mu", Normal())