diff --git a/src/main.rs b/src/main.rs
index 959739f..f4f79ce 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,7 +3,7 @@ use std::fs::OpenOptions;
 use std::env;
 use std::path::Path;
 use std::fs::File;
-use std::io::{ self, BufRead };
+use std::io::{ self, Lines, BufRead, BufReader };
 use std::collections::HashSet;
 use glob::glob;
 use colored::Colorize;
@@ -33,7 +33,7 @@ fn main() -> std::io::Result<()> {
         .get_matches();
 
     if let Some(_matches) = matches.subcommand_matches("legacy") {
-        let mut parsers : Vec<Parser> = vec!();
+        let mut parsers : Vec<Parser> = vec![];
     
         let mut path = String::from(env::current_dir().unwrap().to_str().unwrap());
         path.push_str("/**/*.rs");
@@ -41,17 +41,17 @@ fn main() -> std::io::Result<()> {
         //we add a parser looking for the //todo keyword
         parsers.push(Parser::new(String::from("//todo"), Box::from(|x : Vec<char>| x.last().unwrap() == &'\n')));
         //we add a parser looking for the todo!() token
-        let _todo_macro_callback = Box::from(|mut text : String, line : usize, file : &str| {
+        let todo_macro_callback = Box::from(|mut text : String, line : usize, file : &str| {
             text.retain(|c| c != '\"');
             println!("{} {} {} {} : {}",file,"TODO".green() ,"Line ".green(), line.to_string().green(), text.blue());
         });
-        parsers.push(Parser::new_callback(String::from("todo!("), Box::from(|x : Vec<char>| x.last().unwrap() == &')'), _todo_macro_callback));
+        parsers.push(Parser::new_callback(String::from("todo!("), Box::from(|x : Vec<char>| x.last().unwrap() == &')'), todo_macro_callback));
 
         //support for unimplemented
-        let _unimplemented_macro_callback = Box::from(|text : String, line : usize, file : &str| {
-            println!("{} {} {} {} : {}{}{} ",file,"TODO".green() ,"Line ".green(), line.to_string().green(), "unimplemented!(".blue(), text.magenta(), ")".blue());
+        let unimplemented_macro_callback = Box::from(|text : String, line : usize, file : &str| {
+            println!("{} {} {} {} : {}{}{} ", file, "TODO".green(), "Line ".green(), line.to_string().green(), "unimplemented!(".blue(), text.magenta(), ")".blue());
         });
-        parsers.push(Parser::new_callback(String::from("unimplemented!("), Box::from(|x : Vec<char>| x.last().unwrap() == &')'), _unimplemented_macro_callback));
+        parsers.push(Parser::new_callback(String::from("unimplemented!("), Box::from(|x : Vec<char>| x.last().unwrap() == &')'), unimplemented_macro_callback));
 
         parsers.push(Parser::new(String::from("//fix"), Box::from(|x : Vec<char>| x.last().unwrap() == &'\n')));
 
@@ -84,7 +84,7 @@ fn main() -> std::io::Result<()> {
         let mut path = String::from(dirs::home_dir().unwrap().to_str().unwrap());
         path.push_str("/.cargo/todo_config");
         // println!("{}",path);
-        fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>> where P: AsRef<Path> {
+        fn read_lines<P>(filename: P) -> io::Result<Lines<BufReader<File>>> where P: AsRef<Path> {
             let file = match File::open(&filename) {
                 Ok(line) => line,
                 Err(_) => {
@@ -96,7 +96,7 @@ fn main() -> std::io::Result<()> {
                     return read_lines(filename);
                 }
             };
-            Ok(io::BufReader::new(file).lines())
+            Ok(BufReader::new(file).lines())
         }
 
         let mut regex = vec![];