diff --git a/system/Test/Mock/MockCache.php b/system/Test/Mock/MockCache.php
index df2179678de5..85b5fd9e7e14 100644
--- a/system/Test/Mock/MockCache.php
+++ b/system/Test/Mock/MockCache.php
@@ -92,11 +92,10 @@ public function remember(string $key, int $ttl, Closure $callback)
      * @param string $key   Cache item name
      * @param mixed  $value the data to save
      * @param int    $ttl   Time To Live, in seconds (default 60)
-     * @param bool   $raw   Whether to store the raw value.
      *
      * @return bool
      */
-    public function save(string $key, $value, int $ttl = 60, bool $raw = false)
+    public function save(string $key, $value, int $ttl = 60)
     {
         if ($this->bypass) {
             return false;