diff --git a/rust/src/day05/part_1.rs b/rust/src/day05/part_1.rs
index d6cb27a..f129f88 100644
--- a/rust/src/day05/part_1.rs
+++ b/rust/src/day05/part_1.rs
@@ -1,5 +1,5 @@
 pub(crate) fn part_1(input: crate::ChallengeInput) -> String {
-    let mut state = input.initial_state.clone();
+    let mut state = input.initial_state;
 
     for crate::Instruction {
         origin,
diff --git a/rust/src/day05/part_2.rs b/rust/src/day05/part_2.rs
index 1b0ccec..24b1a71 100644
--- a/rust/src/day05/part_2.rs
+++ b/rust/src/day05/part_2.rs
@@ -1,5 +1,5 @@
 pub(crate) fn part_2(input: crate::ChallengeInput) -> String {
-    let mut state = input.initial_state.clone();
+    let mut state = input.initial_state;
 
     for crate::Instruction {
         origin,