diff --git a/lib/webidl2.js b/lib/webidl2.js
index 6a4559b6..3771031c 100644
--- a/lib/webidl2.js
+++ b/lib/webidl2.js
@@ -580,23 +580,8 @@
       }
       ret.idlType = return_type();
       all_ws();
-      if (consume(ID, "iterator")) {
-        all_ws();
-        ret.type = "iterator";
-        if (consume(ID, "object")) {
-          ret.iteratorObject = "object";
-        } else if (consume(OTHER, "=")) {
-          all_ws();
-          var name = consume(ID) || error("No right hand side in iterator");
-          ret.iteratorObject = name.value;
-        }
-        all_ws();
-        consume(OTHER, ";") || error("Unterminated iterator");
-        return ret;
-      } else {
-        operation_rest(ret, store);
-        return ret;
-      }
+      operation_rest(ret, store);
+      return ret;
     };
 
     function static_member(store) {
diff --git a/test/syntax/idl/iterator.widl b/test/invalid/idl/iterator.widl
similarity index 100%
rename from test/syntax/idl/iterator.widl
rename to test/invalid/idl/iterator.widl
diff --git a/test/invalid/json/iterator.json b/test/invalid/json/iterator.json
new file mode 100644
index 00000000..7cc2f94e
--- /dev/null
+++ b/test/invalid/json/iterator.json
@@ -0,0 +1,4 @@
+{
+    "message": "Invalid operation",
+    "line": 5
+}