diff --git a/freqtrade/freqai/RL/BaseReinforcementLearningModel.py b/freqtrade/freqai/RL/BaseReinforcementLearningModel.py
index 90e60ec5c..cffab602d 100644
--- a/freqtrade/freqai/RL/BaseReinforcementLearningModel.py
+++ b/freqtrade/freqai/RL/BaseReinforcementLearningModel.py
@@ -118,8 +118,8 @@ class BaseReinforcementLearningModel(IFreqaiModel):
         # normalize all data based on train_dataset only
         prices_train, prices_test = self.build_ohlc_price_dataframes(dk.data_dictionary, pair, dk)
 
-        dk.feature_pipeline = self.define_data_pipeline()
-        dk.label_pipeline = self.define_label_pipeline()
+        dk.feature_pipeline = self.define_data_pipeline(threads=dk.thread_count)
+        dk.label_pipeline = self.define_label_pipeline(threads=dk.thread_count)
 
         (dd["train_features"],
          dd["train_labels"],
diff --git a/freqtrade/freqai/base_models/BaseClassifierModel.py b/freqtrade/freqai/base_models/BaseClassifierModel.py
index 8495cd9b9..2df639b55 100644
--- a/freqtrade/freqai/base_models/BaseClassifierModel.py
+++ b/freqtrade/freqai/base_models/BaseClassifierModel.py
@@ -53,7 +53,7 @@ class BaseClassifierModel(IFreqaiModel):
         dd = dk.make_train_test_datasets(features_filtered, labels_filtered)
         if not self.freqai_info.get("fit_live_predictions_candles", 0) or not self.live:
             dk.fit_labels()
-        dk.feature_pipeline = self.define_data_pipeline()
+        dk.feature_pipeline = self.define_data_pipeline(threads=dk.thread_count)
 
         (dd["train_features"],
          dd["train_labels"],
diff --git a/freqtrade/freqai/base_models/BasePyTorchClassifier.py b/freqtrade/freqai/base_models/BasePyTorchClassifier.py
index 85328aa41..57f31629a 100644
--- a/freqtrade/freqai/base_models/BasePyTorchClassifier.py
+++ b/freqtrade/freqai/base_models/BasePyTorchClassifier.py
@@ -189,7 +189,7 @@ class BasePyTorchClassifier(BasePyTorchModel):
         if not self.freqai_info.get("fit_live_predictions_candles", 0) or not self.live:
             dk.fit_labels()
 
-        dk.feature_pipeline = self.define_data_pipeline()
+        dk.feature_pipeline = self.define_data_pipeline(threads=dk.thread_count)
 
         (dd["train_features"],
          dd["train_labels"],
diff --git a/freqtrade/freqai/base_models/BasePyTorchRegressor.py b/freqtrade/freqai/base_models/BasePyTorchRegressor.py
index 8b304fce4..ec4d6b80c 100644
--- a/freqtrade/freqai/base_models/BasePyTorchRegressor.py
+++ b/freqtrade/freqai/base_models/BasePyTorchRegressor.py
@@ -85,8 +85,8 @@ class BasePyTorchRegressor(BasePyTorchModel):
         dd = dk.make_train_test_datasets(features_filtered, labels_filtered)
         if not self.freqai_info.get("fit_live_predictions_candles", 0) or not self.live:
             dk.fit_labels()
-        dk.feature_pipeline = self.define_data_pipeline()
-        dk.label_pipeline = self.define_label_pipeline()
+        dk.feature_pipeline = self.define_data_pipeline(threads=dk.thread_count)
+        dk.label_pipeline = self.define_label_pipeline(threads=dk.thread_count)
 
         dd["train_labels"], _, _ = dk.label_pipeline.fit_transform(dd["train_labels"])
         dd["test_labels"], _, _ = dk.label_pipeline.transform(dd["test_labels"])
diff --git a/freqtrade/freqai/base_models/BaseRegressionModel.py b/freqtrade/freqai/base_models/BaseRegressionModel.py
index d86b21107..d7e7d9916 100644
--- a/freqtrade/freqai/base_models/BaseRegressionModel.py
+++ b/freqtrade/freqai/base_models/BaseRegressionModel.py
@@ -52,8 +52,8 @@ class BaseRegressionModel(IFreqaiModel):
         dd = dk.make_train_test_datasets(features_filtered, labels_filtered)
         if not self.freqai_info.get("fit_live_predictions_candles", 0) or not self.live:
             dk.fit_labels()
-        dk.feature_pipeline = self.define_data_pipeline()
-        dk.label_pipeline = self.define_label_pipeline()
+        dk.feature_pipeline = self.define_data_pipeline(threads=dk.thread_count)
+        dk.label_pipeline = self.define_label_pipeline(threads=dk.thread_count)
 
         (dd["train_features"],
          dd["train_labels"],
diff --git a/freqtrade/freqai/freqai_interface.py b/freqtrade/freqai/freqai_interface.py
index a98bd92b5..87f682ad3 100644
--- a/freqtrade/freqai/freqai_interface.py
+++ b/freqtrade/freqai/freqai_interface.py
@@ -507,7 +507,7 @@ class IFreqaiModel(ABC):
                 "feature_engineering_* functions"
             )
 
-    def define_data_pipeline(self) -> Pipeline:
+    def define_data_pipeline(self, threads=-1) -> Pipeline:
         ft_params = self.freqai_info["feature_parameters"]
         feature_pipeline = Pipeline([
             ('const', ds.VarianceThreshold(threshold=0)),
@@ -526,10 +526,10 @@ class IFreqaiModel(ABC):
 
         di = ft_params.get("DI_threshold", 0)
         if di:
-            feature_pipeline.append(('di', ds.DissimilarityIndex(di_threshold=di)))
+            feature_pipeline.append(('di', ds.DissimilarityIndex(di_threshold=di, n_jobs=threads)))
 
         if ft_params.get("use_DBSCAN_to_remove_outliers", False):
-            feature_pipeline.append(('dbscan', ds.DBSCAN()))
+            feature_pipeline.append(('dbscan', ds.DBSCAN(n_jobs=threads)))
 
         sigma = self.freqai_info["feature_parameters"].get('noise_standard_deviation', 0)
         if sigma:
@@ -540,7 +540,7 @@ class IFreqaiModel(ABC):
 
         return feature_pipeline
 
-    def define_label_pipeline(self) -> Pipeline:
+    def define_label_pipeline(self, threads=-1) -> Pipeline:
 
         label_pipeline = Pipeline([
             ('scaler', SKLearnWrapper(MinMaxScaler(feature_range=(-1, 1))))
diff --git a/freqtrade/freqai/prediction_models/XGBoostRegressor.py b/freqtrade/freqai/prediction_models/XGBoostRegressor.py
index c1142191d..f8b4d353d 100644
--- a/freqtrade/freqai/prediction_models/XGBoostRegressor.py
+++ b/freqtrade/freqai/prediction_models/XGBoostRegressor.py
@@ -52,23 +52,3 @@ class XGBoostRegressor(BaseRegressionModel):
         model.set_params(callbacks=[])
 
         return model
-
-    # def define_data_pipeline(self, dk: FreqaiDataKitchen) -> None:
-    #     """
-    #     User defines their custom eature pipeline here (if they wish)
-    #     """
-    #     dk.feature_pipeline = Pipeline([
-    #         ('qt', SKLearnWrapper(QuantileTransformer(output_distribution='normal')))
-    #     ])
-
-    #     return
-
-    # def define_label_pipeline(self, dk: FreqaiDataKitchen) -> None:
-    #     """
-    #     User defines their custom label pipeline here (if they wish)
-    #     """
-    #     dk.label_pipeline = Pipeline([
-    #          ('qt', SKLearnWrapper(QuantileTransformer(output_distribution='normal')))
-    #     ])
-
-    #     return