diff --git a/day_03/src/main.rs b/day_03/src/main.rs
index 6cd3261..59790c8 100644
--- a/day_03/src/main.rs
+++ b/day_03/src/main.rs
@@ -21,28 +21,6 @@ enum Token {
     NewLine,
 }
 
-// struct StringBuffer {
-//     string: String,
-//     seek_index: usize,
-// }
-
-// impl StringBuffer {
-//     pub fn new(string: String) -> StringBuffer{
-//         StringBuffer {
-//             string,
-//             seek_index: 0,
-//         }
-//     }
-
-//     pub fn take_char(&mut self) -> Option<char> {
-//         if self.seek_index < self.string.len() {
-//             self.seek_index += 1;
-//             return self.string.char_indices()[self.seek_index - 1];
-//         }
-//         return None;
-//     }
-// }
-
 fn is_mul_text_token(text_token: &str) -> bool {
     if text_token.ends_with("mul") {
         true