diff --git a/src/main.rs b/src/main.rs
index 63f374b..3b8ea61 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -56,7 +56,7 @@ fn calculate_models(ciphertexts: &[[u8; 16]]) -> Vec<[Vec<u8>; 16]> {
         })
         .collect();
 
-    for (i, c) in ciphertexts.iter().enumerate() {
+    for c in ciphertexts.iter() {
         for j in 0..256 {
             for k in 0..16 {
                 r[j][k].push(RSBOX[(c[k] ^ (j as u8)) as usize]);
@@ -85,7 +85,7 @@ fn read_msgs(path: impl AsRef<Path>) -> Vec<[u8; 16]> {
         }
 
         let key = GenericArray::from(key);
-        let mut block = GenericArray::from(msgs.clone());
+        let mut block = GenericArray::from(msgs);
         let cypher = Aes128::new(&key);
 
         cypher.encrypt_block(&mut block);