diff --git a/crates/oxc_transformer/src/common/statement_injector.rs b/crates/oxc_transformer/src/common/statement_injector.rs
index dc61bdd46..e580eda66 100644
--- a/crates/oxc_transformer/src/common/statement_injector.rs
+++ b/crates/oxc_transformer/src/common/statement_injector.rs
@@ -43,11 +43,13 @@ impl<'a, 'ctx> Traverse<'a> for StatementInjector<'a, 'ctx> {
     }
 }
 
+#[derive(Debug)]
 enum Direction {
     Before,
     After,
 }
 
+#[derive(Debug)]
 struct AdjacentStatement<'a> {
     stmt: Statement<'a>,
     direction: Direction,