diff --git a/tree/src/implementations/helpers.rs b/tree/src/implementations/helpers.rs
index f4513f00..83939e9e 100644
--- a/tree/src/implementations/helpers.rs
+++ b/tree/src/implementations/helpers.rs
@@ -6,16 +6,13 @@ use num::Float;
 use rand::prelude::*;
 use rand::SeedableRng;
 
-// use rlst::dense::{base_matrix::BaseMatrix, rlst_dynamic_mat, Dynamic, Matrix, VectorContainer};
 use rlst_dense::{
     array::Array, base_array::BaseArray, data_container::VectorContainer, rlst_dynamic_array2,
 };
 
-
 /// Alias for an rlst container for point data.
 pub type PointsMat<T> = Array<T, BaseArray<T, VectorContainer<T>, 2>, 2>;
 
-
 /// Points fixture for testing, uniformly samples in each axis from min to max.
 ///
 /// # Arguments