diff --git a/dagging/_dagging.py b/dagging/_dagging.py
index f964e0c..3a76b1d 100644
--- a/dagging/_dagging.py
+++ b/dagging/_dagging.py
@@ -1,6 +1,6 @@
 import numpy as np
 
-from sklearn.base import ClassifierMixin, RegressorMixin, is_classifier, is_regressor
+from sklearn.base import ClassifierMixin, RegressorMixin, is_classifier
 from sklearn.ensemble.base import BaseEnsemble
 from sklearn.model_selection import check_cv
 from sklearn.preprocessing import LabelEncoder