diff --git a/src/compiler/source-position.h b/src/compiler/source-position.h
index 81db1d2..912f188 100644
--- a/src/compiler/source-position.h
+++ b/src/compiler/source-position.h
@@ -38,8 +38,7 @@
   return !(lhs == rhs);
 }
 
-
-class SourcePositionTable final {
+class SourcePositionTable final : public ZoneObject {
  public:
   class Scope final {
    public:
@@ -66,14 +65,12 @@
   };
 
   explicit SourcePositionTable(Graph* graph);
-  ~SourcePositionTable() {
-    if (decorator_) RemoveDecorator();
-  }
 
   void AddDecorator();
   void RemoveDecorator();
 
   SourcePosition GetSourcePosition(Node* node) const;
+  void SetSourcePosition(Node* node, SourcePosition position);
 
   void Print(std::ostream& os) const;