diff --git a/004/solution.rs b/004/solution.rs
index 0bf1eb4..cc45c00 100644
--- a/004/solution.rs
+++ b/004/solution.rs
@@ -1,30 +1,16 @@
-//use std::iter::zip;
-
 fn is_polindrome(n: i32) -> bool {
     let s = n.to_string();
     for (p, q) in s.chars().zip(s.chars().rev()) {
-        // println!("-{}-{}-", p, q);
         if q != p { return false; }
     }
     return true;
 }
 
 fn main() {
-
-    //let nnnn = 999 * 999 * 999;
-    //let m_nnn = u32::MAX;
-    //println!("{} vs {}", nnnn, m_nnn);
     let n = 999;
-
-    //let mut i = n;
-    //let mut j = n;
-    //let mut k = n;
-
     let mut best_i = 1;
     let mut best_j = 1;
-
     let mut best_poli = 1;
-
     for i in 100..=n {
         for j in 100..=n {
             let m = i * j;
@@ -38,6 +24,4 @@ fn main() {
         }
     }
     println!("{}*{}={}", best_i, best_j, best_poli);
-    //let p = is_polindrome(999 * 999 * 999);
-    //println!("{}", p);
 }