diff --git a/src/core/annotation.js b/src/core/annotation.js
index 17c974dd509f2..8ee0979591c85 100644
--- a/src/core/annotation.js
+++ b/src/core/annotation.js
@@ -60,7 +60,6 @@ class AnnotationFactory {
     let parameters = {
       xref,
       dict,
-      ref: isRef(ref) ? ref : null,
       subtype,
       id,
       pdfManager,