diff --git a/tests/runtime/common/gc/hclass_changing_during_concurrent.js b/tests/runtime/common/gc/hclass_changing_during_concurrent.js
index 05db9f9f986cb8f697182a6316f003dba284b503..abca57deeda47b13888337164a2b0b5ccab16b5b 100644
--- a/tests/runtime/common/gc/hclass_changing_during_concurrent.js
+++ b/tests/runtime/common/gc/hclass_changing_during_concurrent.js
@@ -19,14 +19,6 @@
  * Without barrier old hclass may be collected dispite it is reachable.
  */
 
-function assert(value, message) {
-    if (value) {
-        return;
-    }
-    print("Assertion failed: " + message);
-    throw Error();
-}
-
 function addProp(obj, prop) {
     obj[prop] = undefined;
 }