diff --git a/quantile_forest/_quantile_forest.py b/quantile_forest/_quantile_forest.py
index 0fb989b..da04f5e 100755
--- a/quantile_forest/_quantile_forest.py
+++ b/quantile_forest/_quantile_forest.py
@@ -93,8 +93,6 @@ def __init__(
         }
         super().__init__(**init_dict)
 
-        self.param_validation = hasattr(self, "_parameter_constraints")
-
     def fit(self, X, y, sample_weight=None, sparse_pickle=False):
         """Build a forest from the training set (X, y).