diff --git a/compiler/noirc_evaluator/src/ssa/ir/instruction.rs b/compiler/noirc_evaluator/src/ssa/ir/instruction.rs
index aff0c36e7ea..47b421fe031 100644
--- a/compiler/noirc_evaluator/src/ssa/ir/instruction.rs
+++ b/compiler/noirc_evaluator/src/ssa/ir/instruction.rs
@@ -434,7 +434,7 @@ impl Instruction {
                 }
             }
             Instruction::Constrain(lhs, rhs, msg) => {
-                let constraints = decompose_constrain(*lhs, *rhs, msg.clone(), dfg);
+                let constraints = decompose_constrain(*lhs, *rhs, msg, dfg);
                 if constraints.is_empty() {
                     Remove
                 } else {