diff --git a/mine-your-first-block/src/main.rs b/mine-your-first-block/src/main.rs
index e60c0f0..cbd7dfd 100644
--- a/mine-your-first-block/src/main.rs
+++ b/mine-your-first-block/src/main.rs
@@ -141,8 +141,7 @@ fn create_coinbase_tx(total_tx_fee: u64, mut witness_root_vec: Vec<String>) -> T
     let witness_root_hash = get_merkle_root(witness_root_vec);
     let concantinated_items = format!("{}{}", witness_root_hash, witness_reserved_value);
 
-    let mut wtxid_items_bytes = hex::decode(concantinated_items).unwrap();
-    wtxid_items_bytes.reverse();
+    let wtxid_items_bytes = hex::decode(concantinated_items).unwrap();
     let wtxid_commitment_test =  double_sha256(wtxid_items_bytes);
     let wtxid_commitment = hex::encode(wtxid_commitment_test);
     let scriptpubkey_for_wtxid_test = format!("6a24aa21a9ed{}", wtxid_commitment);