diff --git a/field/src/fft.rs b/field/src/fft.rs
index 8137216c..39f9bdf7 100644
--- a/field/src/fft.rs
+++ b/field/src/fft.rs
@@ -3,7 +3,6 @@ use fftw::{plan::*, types::*};
 use num::Complex;
 use rayon::prelude::*;
 
-use crate::types::{FftMatrixc32, FftMatrixc64, FftMatrixf32, FftMatrixf64};
 
 pub trait Fft
 where
diff --git a/field/src/field.rs b/field/src/field.rs
index 8bb7047b..c9076073 100644
--- a/field/src/field.rs
+++ b/field/src/field.rs
@@ -30,7 +30,7 @@ use crate::{
     fft::Fft,
     transfer_vector::compute_transfer_vectors,
     types::{
-        FftFieldTranslationKiFmm, FftM2lOperatorData, FftMatrix, SvdFieldTranslationKiFmm,
+        FftFieldTranslationKiFmm, FftM2lOperatorData, SvdFieldTranslationKiFmm,
         SvdM2lOperatorData, TransferVector,
     },
 };
diff --git a/field/src/types.rs b/field/src/types.rs
index 5c1a3cda..64fadf38 100644
--- a/field/src/types.rs
+++ b/field/src/types.rs
@@ -127,22 +127,3 @@ where
     }
 }
 
-/// Type alias for real coefficients for into FFTW wrappers
-// pub type FftMatrixf64 = Matrix<f64, BaseMatrix<f64, VectorContainer<f64>, Dynamic>, Dynamic>;
-pub type FftMatrixf64 = Vec<f64>;
-
-/// Type alias for real coefficients for into FFTW wrappers
-// pub type FftMatrixf32 = Matrix<f32, BaseMatrix<f32, VectorContainer<f32>, Dynamic>, Dynamic>;
-pub type FftMatrixf32 = Vec<f32>;
-
-/// Type alias for complex coefficients for FFTW wrappers
-// pub type FftMatrixc64 = Matrix<c64, BaseMatrix<c64, VectorContainer<c64>, Dynamic>, Dynamic>;
-pub type FftMatrixc64 = Vec<c64>;
-
-/// Type alias for complex coefficients for FFTW wrappers
-// pub type FftMatrixc32 = Matrix<c32, BaseMatrix<c32, VectorContainer<c32>, Dynamic>, Dynamic>;
-pub type FftMatrixc32 = Vec<c32>;
-
-/// Type alias for real coefficients for into FFTW wrappers
-// pub type FftMatrix<T> = Matrix<T, BaseMatrix<T, VectorContainer<T>, Dynamic>, Dynamic>;
-pub type FftMatrix<T> = Vec<T>;
diff --git a/fmm/src/field_translation/hashmap/source_to_target.rs b/fmm/src/field_translation/hashmap/source_to_target.rs
index 650556b2..84c7144f 100644
--- a/fmm/src/field_translation/hashmap/source_to_target.rs
+++ b/fmm/src/field_translation/hashmap/source_to_target.rs
@@ -13,7 +13,7 @@ use rayon::prelude::*;
 use bempp_field::{
     array::pad3,
     fft::Fft,
-    types::{FftFieldTranslationKiFmm, FftMatrix, SvdFieldTranslationKiFmm},
+    types::{FftFieldTranslationKiFmm, SvdFieldTranslationKiFmm},
 };
 
 use bempp_traits::{
diff --git a/fmm/src/field_translation/linear/source_to_target.rs b/fmm/src/field_translation/linear/source_to_target.rs
index 6ad2510d..66d6c2cb 100644
--- a/fmm/src/field_translation/linear/source_to_target.rs
+++ b/fmm/src/field_translation/linear/source_to_target.rs
@@ -16,7 +16,7 @@ use std::{
 use bempp_field::{
     array::pad3,
     fft::Fft,
-    types::{FftFieldTranslationKiFmm, FftMatrix, SvdFieldTranslationKiFmm},
+    types::{FftFieldTranslationKiFmm, SvdFieldTranslationKiFmm},
 };
 
 use bempp_traits::{
@@ -338,7 +338,7 @@ where
         let Some(targets) = self.fmm.tree().get_keys(level) else {
             return;
         };
-        let s = Instant::now();
+        // let s = Instant::now();
         // Form signals to use for convolution first
         let n = 2 * self.fmm.order - 1;
         let ntargets = targets.len();
@@ -449,7 +449,7 @@ where
             let ptr = check_potentials_hat_f_buffer.as_mut_ptr() as *mut Complex<U>;
             check_potentials_hat_f = std::slice::from_raw_parts_mut(ptr, size_real * ntargets);
         }
-        println!("l={:?} Pre processing time {:?}", level, s.elapsed());
+        // println!("l={:?} Pre processing time {:?}", level, s.elapsed());
         
         // // Test that the signals in frequency order are correct
         // if level == 3 {
@@ -461,7 +461,7 @@ where
         ////////////////////////////////////////////////////////////////////////////////////
         let zeros = vec![Complex::<U>::zero(); nsiblings];
         let scale = Complex::from(self.m2l_scale(level));
-        let s = Instant::now();
+        // let s = Instant::now();
         let kernel_data_halo = &self.fmm.m2l.operator_data.kernel_data_rearranged;
         (0..size_real)
             .into_par_iter()
@@ -498,14 +498,12 @@ where
         // if level == 2 {
         //     println!("check_potentials_hat_f {:?}", &check_potentials_hat_f[ntargets..2*ntargets]);
         // }
-        println!("l={:?} kernel time {:?}", level, s.elapsed());
+        // println!("l={:?} kernel time {:?}", level, s.elapsed());
         ////////////////////////////////////////////////////////////////////////////////////
 
         ////////////////////////////////////////////////////////////////////////////////////
-        let s = Instant::now();
+        // let s = Instant::now();
 
-        let level_locals = &self.level_locals[level as usize];
-        
         // First step is to get check potentials back into target order from frequency order
         let mut check_potential_hat = vec![U::zero(); size_real * ntargets * 2];
         let mut check_potential = vec![U::zero(); size * ntargets];
@@ -568,7 +566,7 @@ where
 
             });
         
-        println!("l={:?} post processing time {:?}", level, s.elapsed());
+        // println!("l={:?} post processing time {:?}", level, s.elapsed());
         ////////////////////////////////////////////////////////////////////////////////////
     }
 
diff --git a/fmm/src/fmm/linear.rs b/fmm/src/fmm/linear.rs
index c261dd9f..1633f399 100644
--- a/fmm/src/fmm/linear.rs
+++ b/fmm/src/fmm/linear.rs
@@ -711,7 +711,9 @@ mod test {
 
         let datatree = FmmDataLinear::new(fmm, &charge_dict).unwrap();
 
-        datatree.run(false);
+        let s = Instant::now();
+        let times = datatree.run(true);
+        println!("runtime {:?}, operator times {:?}", s.elapsed(), times);
 
         // Test that direct computation is close to the FMM.
         let leaf = &datatree.fmm.tree.get_all_leaves().unwrap()[0];