diff --git a/topostats/tracing/pruning.py b/topostats/tracing/pruning.py
index 1051c039e6..d12bcae1e9 100644
--- a/topostats/tracing/pruning.py
+++ b/topostats/tracing/pruning.py
@@ -343,7 +343,7 @@ def _prune_by_length(  # pylint: disable=too-many-locals  # noqa: C901
             segment = np.where(labeled_segments == segment_idx, conv_skeleton, 0)
             # get segment length
             ordered_coords = order_branch(np.where(segment != 0, 1, 0), [0, 0])
-            segment_length = coord_dist(ordered_coords, self.pixel_to_nm_scaling)[-1] / 1e-9
+            segment_length = coord_dist(ordered_coords, self.pixel_to_nm_scaling)[-1]
             # check if endpoint
             if 2 in segment and segment_length < max_length:
                 # prune
@@ -649,7 +649,6 @@ def filter_segments(self, segments: npt.NDArray) -> npt.NDArray:
             height_values = self._get_branch_medians(segments)
         elif self.method_values == "mid":
             height_values = self._get_branch_middles(segments)
-        print(f"{height_values=}")
         # threshold heights to obtain indexes of branches to be removed
         if self.method_outlier == "abs":
             idxs = self._get_abs_thresh_idx(height_values, self.height_threshold)