diff --git a/src/lib.rs b/src/lib.rs
index 77cf439..16b30e1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -42,28 +42,20 @@ pub fn main() {
 
     // let mut tr = vector_to_tree(&random_vector(4));
     // tr.add_genetic_data(&String::from("/Users/joel/Downloads/listeria0.aln"));
-    // println!("{:?}", tr.mutation_lists);
     let mut tr = vector_to_tree(&random_vector(27));
     tr.add_genetic_data(&args.alignment);
 
-    // println!("{:?}", tr.nodes.get(4));
     tr.initialise_likelihood(&q);
     println!("{}", tr.get_tree_likelihood());
-    // tr.update(&random_vector(27));
-    // let y: ChangeOrder = tr.changeiter();
-    // println!("{:?}", y);
-    // println!("{:?}", tr.mutation_lists);
     println!("{:?}", tr.newick());
-    // println!("{:?}", tr.mutation_lists.get(2));
-    // println!("{:?}", tr.mutation_lists.get(3));
     println!("{:?}", tr.tree_vec);
 
     if !args.no_optimise {
-        // let start = Instant::now();
-        // tr.hillclimb(&q, 50);
-        // let end = Instant::now();
+        let start = Instant::now();
+        tr.hillclimb(&q, 50);
+        let end = Instant::now();
 
-        // eprintln!("Done in {}s", end.duration_since(start).as_secs());
-        // eprintln!("Done in {}s", end.duration_since(start).as_millis());
+        eprintln!("Done in {}s", end.duration_since(start).as_secs());
+        eprintln!("Done in {}s", end.duration_since(start).as_millis());
     }
 }
diff --git a/tests/test_files_in/listeria0.phylip_phyml_stats.txt b/tests/test_files_in/listeria0.phylip_phyml_stats.txt
deleted file mode 100644
index 1993b58..0000000
--- a/tests/test_files_in/listeria0.phylip_phyml_stats.txt
+++ /dev/null
@@ -1,51 +0,0 @@
-
- oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
-                                  ---  PhyML 3.3.20230824  ---                                             
-                              http://www.atgc-montpellier.fr/phyml                                          
-                             Copyright CNRS - Universite Montpellier                                 
- oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
-
-. Sequence filename: 			listeria0.phylip
-. Data set: 				#1
-. Initial tree: 			user tree (/private/var/folders/ss/qgjmhnjd4055mzzp7krhs2ww0000gp/T/tree.nwk)
-. Model of nucleotides substitution: 	JC69
-. Number of taxa: 			28
-. Log-likelihood: 			-603663.21632
-. Unconstrained log-likelihood: 	-83671.88405
-. Composite log-likelihood: 		-673655.88184
-. Parsimony: 				854
-. Tree size: 				54.00000
-. Discrete gamma model: 		Yes
-  - Number of classes: 			1
-  - Gamma shape parameter: 		1.000
-  - Relative rate in class 1: 		1.00000 [freq=1.000000] 		
-. Nucleotides frequencies:
-  - f(A)=  0.25000
-  - f(C)=  0.25000
-  - f(G)=  0.25000
-  - f(T)=  0.25000
-
-. Run ID:				none
-. Random seed:				1720094886
-. Subtree patterns aliasing:		no
-. Version:				3.3.20230824
-. Time used:				0h0m0s (0 seconds)
-
- oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
- Suggested citations:
- S. Guindon, JF. Dufayard, V. Lefort, M. Anisimova, W. Hordijk, O. Gascuel
- "New algorithms and methods to estimate maximum-likelihood phylogenies: assessing the performance of PhyML 3.0."
- Systematic Biology. 2010. 59(3):307-321.
-
- S. Guindon & O. Gascuel
- "A simple, fast, and accurate algorithm to estimate large phylogenies by maximum likelihood"
- Systematic Biology. 2003. 52(5):696-704.
- oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
-
-
- Please consider making a donation to support PhyML development by clicking on the following link:
-
-          https://fondation-cnrs.org/faire-un-don/
-
-              ~ Thank you ! ~
-
diff --git a/tests/test_files_in/listeria0.phylip_phyml_tree.txt b/tests/test_files_in/listeria0.phylip_phyml_tree.txt
deleted file mode 100644
index aaacb09..0000000
--- a/tests/test_files_in/listeria0.phylip_phyml_tree.txt
+++ /dev/null
@@ -1 +0,0 @@
-(((15:1.00000000,(11:1.00000000,((24:1.00000000,19:1.00000000)0.000000:1.00000000,(6:1.00000000,(17:1.00000000,(26:1.00000000,2:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:2.00000000,((14:1.00000000,(27:1.00000000,(((21:1.00000000,(13:1.00000000,10:1.00000000)0.000000:1.00000000)0.000000:1.00000000,(4:1.00000000,(16:1.00000000,(25:1.00000000,(22:1.00000000,((23:1.00000000,18:1.00000000)0.000000:1.00000000,(9:1.00000000,3:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:1.00000000,1:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:1.00000000,(5:1.00000000,0:1.00000000)0.000000:1.00000000)0.000000:1.00000000)0.000000:1.00000000,20:1.00000000,(8:1.00000000,(12:1.00000000,7:1.00000000)0.000000:1.00000000)0.000000:1.00000000);