diff --git a/lang-trials/rust-benchmark/src/engine.rs b/lang-trials/rust-benchmark/src/engine.rs
index 04377fd..eed73a1 100644
--- a/lang-trials/rust-benchmark/src/engine.rs
+++ b/lang-trials/rust-benchmark/src/engine.rs
@@ -1,7 +1,5 @@
 use nalgebra::{*, allocator::Allocator};
 use std::f64::consts::{PI, E};
-/*use std::ops::Sub;*/
-/*use typenum::{B1, UInt, UTerm};*/
 
 /* dynamic matrices */
 pub fn rand_eigval_series(dim: usize, time_res: usize) -> Vec<OVector<Complex<f64>, Dyn>> {
@@ -104,43 +102,4 @@ pub fn rand_eigval_series(dim: usize, time_res: usize) -> Vec<OVector<Complex<f6
         eigval_series.push(rand_mat.complex_eigenvalues());
     }
     eigval_series
-}*/
-
-/* another attempt at static matrices. i couldn't get the types to work out */
-/*pub fn random_eigval_series<const N: usize>(time_res: usize) -> Vec<OVector<Complex<f64>, Const<N>>>
-    where
-        Const<N>: ToTypenum,
-        <Const<N> as ToTypenum>::Typenum: Sub<UInt<UTerm, B1>>,
-        <<Const<N> as ToTypenum>::Typenum as Sub<UInt<UTerm, B1>>>::Output: ToConst
-{
-    // initialize the random matrix
-    /*let mut rand_mat = SMatrix::<f64, N, N>::zeros();
-    for n in 0..N*N {
-        rand_mat[n] = E*((n*n) as f64) % 2.0 - 1.0;
-    }*/
-    let rand_mat = OMatrix::<f64, Const<N>, Const<N>>::from_fn(|j, k| {
-        let n = j*N + k;
-        E*((n*n) as f64) % 2.0 - 1.0
-    });
-    
-    // initialize the rotation step
-    let mut rot_step = OMatrix::<f64, Const<N>, Const<N>>::identity();
-    let max_freq = 4;
-    for n in (0..N).step_by(2) {
-        let ang = PI * ((n % max_freq) as f64) / (time_res as f64);
-        let ang_cos = ang.cos();
-        let ang_sin = ang.sin();
-        rot_step[(n, n)] = ang_cos;
-        rot_step[(n+1, n)] = ang_sin;
-        rot_step[(n, n+1)] = -ang_sin;
-        rot_step[(n+1, n+1)] = ang_cos;
-    }
-    
-    // find the eigenvalues
-    let mut eigvals = Vec::<OVector<Complex<f64>, Const<N>>>::with_capacity(time_res);
-    unsafe { eigvals.set_len(time_res); }
-    for t in 0..time_res {
-        eigvals[t] = rand_mat.complex_eigenvalues();
-    }
-    eigvals
 }*/
\ No newline at end of file