1 files changed, 3 insertions, 8 deletions
diff --git a/runtime/js/99_main.js b/runtime/js/99_main.js
index 7742e2ba2..851d798c3 100644
--- a/runtime/js/99_main.js
+++ b/runtime/js/99_main.js
@@ -186,16 +186,11 @@ delete Object.prototype.__proto__;
     core.registerErrorClass("Http", errors.Http);
     core.registerErrorClass("Busy", errors.Busy);
     core.registerErrorClass("NotSupported", errors.NotSupported);
-    core.registerErrorClass("Error", Error);
-    core.registerErrorClass("RangeError", RangeError);
-    core.registerErrorClass("ReferenceError", ReferenceError);
-    core.registerErrorClass("SyntaxError", SyntaxError);
-    core.registerErrorClass("TypeError", TypeError);
-    core.registerErrorClass("URIError", URIError);
     core.registerErrorClass(
       "DOMExceptionOperationError",
-      DOMException,
-      "OperationError",
+      function DOMExceptionOperationError(msg) {
+        DOMException.prototype.constructor.call(this, msg, "OperationError");
+      },
     );
   }