diff --git a/core/modules/simpletest/src/WebTestBase.php b/core/modules/simpletest/src/WebTestBase.php
index ec50d4d..db553c8 100644
--- a/core/modules/simpletest/src/WebTestBase.php
+++ b/core/modules/simpletest/src/WebTestBase.php
@@ -2413,8 +2413,6 @@ protected function assertLink($label, $index = 0, $message = '', $group = 'Other
    *
    * @param $label
    *   Text between the anchor tags.
-   * @param $index
-   *   Link position counting from zero.
    * @param $message
    *   (optional) A message to display with the assertion. Do not translate
    *   messages: use format_string() to embed variables in the message text, not