diff --git a/units/src/amount/result.rs b/units/src/amount/result.rs
index 645b3edde..df26be7c7 100644
--- a/units/src/amount/result.rs
+++ b/units/src/amount/result.rs
@@ -12,7 +12,7 @@ use super::{Amount, SignedAmount};
 /// Result of an operation on [`Amount`] or [`SignedAmount`].
 ///
 /// The type parameter `T` should be normally `Amout` or `SignedAmount`.
-#[derive(Debug, Clone, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
 #[must_use]
 pub enum NumOpResult<T> {
     /// Result of a successful mathematical operation.
@@ -584,7 +584,7 @@ impl OptionExt<SignedAmount> for Option<SignedAmount> {
 }
 
 /// An error occurred while doing a mathematical operation.
-#[derive(Debug, Clone, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
 #[non_exhaustive]
 pub struct NumOpError;
 
diff --git a/units/src/amount/tests.rs b/units/src/amount/tests.rs
index f5b450fdb..fa2db4874 100644
--- a/units/src/amount/tests.rs
+++ b/units/src/amount/tests.rs
@@ -1329,44 +1329,44 @@ fn amount_op_result_all_ops() {
     // let sres: NumOpResult<SignedAmount> = ssat + ssat;
 
     // Operations that where RHS is the result of another operation.
-    let _ = sat + res.clone();
-    let _ = &sat + res.clone();
-    // let _ = sat + &res.clone();
-    // let _ = &sat + &res.clone();
+    let _ = sat + res;
+    let _ = &sat + res;
+    // let _ = sat + &res;
+    // let _ = &sat + &res;
 
-    let _ = sat - res.clone();
-    let _ = &sat - res.clone();
-    // let _ = sat - &res.clone();
-    // let _ = &sat - &res.clone();
+    let _ = sat - res;
+    let _ = &sat - res;
+    // let _ = sat - &res;
+    // let _ = &sat - &res;
 
     // Operations that where LHS is the result of another operation.
-    let _ = res.clone() + sat;
-    // let _ = &res.clone() + sat;
-    let _ = res.clone() + &sat;
-    // let _ = &res.clone() + &sat;
+    let _ = res + sat;
+    // let _ = &res + sat;
+    let _ = res + &sat;
+    // let _ = &res + &sat;
 
-    let _ = res.clone() - sat;
-    // let _ = &res.clone() - sat;
-    let _ = res.clone() - &sat;
-    // let _ = &res.clone() - &sat;
+    let _ = res - sat;
+    // let _ = &res - sat;
+    let _ = res - &sat;
+    // let _ = &res - &sat;
 
     // Operations that where both sides are the result of another operation.
-    let _ = res.clone() + res.clone();
-    // let _ = &res.clone() + res.clone();
-    // let _ = res.clone() + &res.clone();
-    // let _ = &res.clone() + &res.clone();
+    let _ = res + res;
+    // let _ = &res + res;
+    // let _ = res + &res;
+    // let _ = &res + &res;
 
-    let _ = res.clone() - res.clone();
-    // let _ = &res.clone() - res.clone();
-    // let _ = res.clone() - &res.clone();
-    // let _ = &res.clone() - &res.clone();
+    let _ = res - res;
+    // let _ = &res - res;
+    // let _ = res - &res;
+    // let _ = &res - &res;
 }
 
 // Verify we have implemented all `Sum` for the `NumOpResult` type.
 #[test]
 fn amount_op_result_sum() {
     let res = Amount::from_sat(1) + Amount::from_sat(1);
-    let amounts = [res.clone(), res.clone()];
+    let amounts = [res, res];
     let amount_refs = [&res, &res];
 
     // Sum iterators.