diff --git a/src/core/obj.js b/src/core/obj.js
index 283ea9aba..42ae9cf00 100644
--- a/src/core/obj.js
+++ b/src/core/obj.js
@@ -1682,12 +1682,6 @@ var XRef = (function XRefClosure() {
       var obj2 = parser.getObj();
       var obj3 = parser.getObj();
 
-      if (!Number.isInteger(obj1)) {
-        obj1 = parseInt(obj1, 10);
-      }
-      if (!Number.isInteger(obj2)) {
-        obj2 = parseInt(obj2, 10);
-      }
       if (obj1 !== num || obj2 !== gen || !(obj3 instanceof Cmd)) {
         throw new XRefEntryException(`Bad (uncompressed) XRef entry: ${ref}`);
       }