diff --git a/utils_ml.py b/utils_ml.py
index d1b0aa6..51fbb4e 100644
--- a/utils_ml.py
+++ b/utils_ml.py
@@ -281,12 +281,11 @@ def pipeline_randomF_benchmark(X_train, y_train, X_test, y_test, model_result):
 def pipeline_randomF_cv(X_train, y_train, X_test, y_test, model_result):
     y_train = y_train['y_has_purchased']
     param_grid = {
-    'randomF_cv__n_estimators': [100, 200, 300],
-    'randomF_cv__max_features': ['sqrt', 'log2', None],
-    'randomF_cv__min_samples_split': [2, 5, 10],
-    'randomF_cv__min_samples_leaf': [1, 2, 4],
-    'randomF_cv__bootstrap': [True, False],
-    'randomF_cv__class_weight': [None, weight_dict]
+    'randomF_cv__n_estimators': [100, 300],
+    'randomF_cv__max_features': ['sqrt', 'log2'],
+    'randomF_cv__min_samples_split': [2, 10],
+    'randomF_cv__min_samples_leaf': [1, 4],
+    'randomF_cv__class_weight': [weight_dict]
 }
     pipeline = Pipeline(steps=[
     ('preprocessor', preproc),