diff --git a/src/protocol/ast.rs b/src/protocol/ast.rs
index 26c59a07ff48d4f95eb99cf4139b2ff262ed38cb..93833384855321f904980f02802bd594d93a4dca 100644
--- a/src/protocol/ast.rs
+++ b/src/protocol/ast.rs
@@ -1199,7 +1199,6 @@ impl Statement {
 pub struct BlockStatement {
     pub this: BlockStatementId,
     // Phase 1: parser
-    pub is_implicit: bool,
     pub span: InputSpan, // of the complete block
     pub statements: Vec<StatementId>,
     pub end_block: EndBlockStatementId,
@@ -1394,6 +1393,8 @@ pub struct SelectStatement {
     pub span: InputSpan, // of the "select" keyword
     pub cases: Vec<SelectCase>,
     pub end_select: EndSelectStatementId,
+    pub relative_pos_in_parent: i32,
+    pub next: StatementId, // note: the select statement will be transformed into other AST elements, this `next` jumps to those replacement statements
 }
 
 #[derive(Debug, Clone)]