diff --git a/mlair/data_handler/data_handler_mixed_sampling.py b/mlair/data_handler/data_handler_mixed_sampling.py
index 908ae4095e694a1ff128b51a5c58a3d49567a7bb..6c256f86c6289578030bd0f116315fd724eb9b7a 100644
--- a/mlair/data_handler/data_handler_mixed_sampling.py
+++ b/mlair/data_handler/data_handler_mixed_sampling.py
@@ -396,11 +396,6 @@ class DataHandlerMixedSamplingWithClimateAndFirFilter(DataHandlerMixedSamplingWi
                         kwargs[k] = new_v[var_type]
                     except KeyError:
                         pass
-        #
-        # cls.adjust_window_opts(var_type, "window_history_size", kwargs)
-        # cls.adjust_window_opts(var_type, "window_history_offset", kwargs)
-        # cls.adjust_window_opts(var_type, "window_history_end", kwargs)
-        # cls.adjust_window_opts(var_type, "extend_length_opts", kwargs)
 
     @staticmethod
     def adjust_window_opts(key: str, parameter_name: str, kwargs: dict):
diff --git a/mlair/plotting/data_insight_plotting.py b/mlair/plotting/data_insight_plotting.py
index b12565bf293cb7025f697c8a18ee5adedd1603ec..db2b3340e06545f988c81503df2aa27b655095bb 100644
--- a/mlair/plotting/data_insight_plotting.py
+++ b/mlair/plotting/data_insight_plotting.py
@@ -1070,8 +1070,6 @@ class PlotClimateFirFilter(AbstractPlotClass):  # pragma: no cover
         Use order and valid_range to find a good zoom in that hides edges of filter values that are effected by reduced
         filter order. Limits are returned to be usable for other plots.
         """
-        # t_minus_delta = -(valid_range.start - 0.5 * order)
-        # t_plus_delta = valid_range.stop + 0.5 * order
         t_minus_delta = max(min(2 * (valid_range.stop - valid_range.start), 0.5 * order), (-valid_range.start + 0.3 * order))
         t_plus_delta = max(min(2 * (valid_range.stop - valid_range.start), 0.5 * order), valid_range.stop + 0.3 * order)
         t_minus = t0 + np.timedelta64(-int(t_minus_delta), td_type)