diff --git a/mlair/data_handler/abstract_data_handler.py b/mlair/data_handler/abstract_data_handler.py
index 53d4597060f9452e4a59cfa1001da9aaa86056b8..419db059a58beeb4ed7e3e198e41b565f8dc7d25 100644
--- a/mlair/data_handler/abstract_data_handler.py
+++ b/mlair/data_handler/abstract_data_handler.py
@@ -6,7 +6,6 @@ import inspect
 from typing import Union, Dict
 
 from mlair.helpers import remove_items
-import logging
 
 
 class AbstractDataHandler:
@@ -14,7 +13,6 @@ class AbstractDataHandler:
     _requirements = []
 
     def __init__(self, *args, **kwargs):
-        logging.info("Initialise AbstractDataHandler")
         pass
 
     @classmethod
diff --git a/mlair/data_handler/data_handler_single_station.py b/mlair/data_handler/data_handler_single_station.py
index 163a0a7754fc34e61383e99c7bc608d13b9f03f6..9fdba43cc2b6b3f9ed7a6d97dbd43ec86f03a1f7 100644
--- a/mlair/data_handler/data_handler_single_station.py
+++ b/mlair/data_handler/data_handler_single_station.py
@@ -62,7 +62,6 @@ class DataHandlerSingleStation(AbstractDataHandler):
                  overwrite_local_data: bool = False, transformation=None, store_data_locally: bool = True,
                  min_length: int = 0, start=None, end=None, variables=None, data_origin: Dict = None,
                  lazy_preprocessing: bool = False, aggregation_dim=None, **kwargs):
-        logging.info(f"Initialise DataHandlerSingleStation")
         super().__init__()
         self.station = helpers.to_list(station)
         self.path = self.setup_data_path(data_path, sampling)
diff --git a/mlair/data_handler/data_handler_wrf_chem.py b/mlair/data_handler/data_handler_wrf_chem.py
index 69d2cb7fece19d88e0c41af188d0705c237e1a25..d1f9508d97037dcaab5faac956d66e916268623c 100644
--- a/mlair/data_handler/data_handler_wrf_chem.py
+++ b/mlair/data_handler/data_handler_wrf_chem.py
@@ -167,6 +167,7 @@ class BaseWrfChemDataLoader:
         else:
             return dist.argmin(dim)
 
+    @TimeTrackingWrapper
     def _set_dims_as_coords(self):
         if self._data is None:
             raise IOError(f'{self.__class__.__name__} can not set dims as coords. Use must use `open_data()` before.')
@@ -174,7 +175,7 @@ class BaseWrfChemDataLoader:
         for k, _ in data.dims.items():
             data = data.assign_coords({k: data[k]})
         self._data = data
-        logging.info('set dimensions as coordinates')
+        # logging.info('set dimensions as coordinates')
 
     def apply_staged_transormation(self, mapping_of_stag2unstag=None):
         if mapping_of_stag2unstag is None:
@@ -396,7 +397,6 @@ class DataHandlerSingleGridColumn(DataHandlerSingleStation):
     def __init__(self, *args, external_coords_file=None,
                  var_logical_z_coord_selector=None,
                  targetvar_logical_z_coord_selector=None, **kwargs):
-        logging.info("Initialise DataHandlerSingleGridColumn")
         self.external_coords_file = external_coords_file
         self.var_logical_z_coord_selector = self._ret_z_coord_select_if_valid(var_logical_z_coord_selector,
                                                                               as_input=True)
@@ -608,7 +608,6 @@ class DataHandlerSectorGrid(DataHandlerSingleGridColumn):
     _requirements = DataHandlerWRF.requirements()
 
     def __init__(self, *args, radius=None, sectors=None, wind_sector_edge_dim_name=None,  **kwargs):
-        logging.info("Initialise DataHandlerSectorGrid")
         if radius is None:
             radius = 100  # km
         self.radius = radius
@@ -726,6 +725,7 @@ class DataHandlerSectorGrid(DataHandlerSingleGridColumn):
             self.windsector.is_in_sector(sect, loader.geo_infos.bearing.drop('points').squeeze()))
         return sec_data
 
+    @TimeTrackingWrapper
     def preselect_and_transform_neighbouring_data_based_on_radius(self, loader):
         """
         Select neighbouring grid boxes which have a maximal distance of pre-selected radius from full model field
diff --git a/mlair/data_handler/default_data_handler.py b/mlair/data_handler/default_data_handler.py
index 02b15993a1a3db66c2b6e7dc564361e959ab9fa1..66f6b5b0b64c1126237880c2a722487254a71d21 100644
--- a/mlair/data_handler/default_data_handler.py
+++ b/mlair/data_handler/default_data_handler.py
@@ -60,14 +60,14 @@ class DefaultDataHandler(AbstractDataHandler):
 
     @classmethod
     def build(cls, station: str, **kwargs):
-        logging.info(f"build dh: DefaultDataHandler")
         sp_keys = {k: copy.deepcopy(kwargs[k]) for k in cls._requirements if k in kwargs}
         sp = cls.data_handler(station, **sp_keys)
         dp_args = {k: copy.deepcopy(kwargs[k]) for k in cls.own_args("id_class") if k in kwargs}
-        try:
-            return dask.compute(cls(sp, **dp_args))[0]
-        except Exception:
-            return cls(sp, **dp_args)
+        return cls(sp, **dp_args)
+        # try:
+        #     return dask.compute(cls(sp, **dp_args))[0]
+        # except Exception:
+        #     return cls(sp, **dp_args)
 
     def _create_collection(self):
         return [self.id_class]