diff --git a/appendix_02/SplFixedArray.php b/appendix_02/SplFixedArray.php
index 4cf1d25..bbb6d77 100644
--- a/appendix_02/SplFixedArray.php
+++ b/appendix_02/SplFixedArray.php
@@ -27,7 +27,6 @@
     $fixedArray[$i] = new stdClass();
   }
 
-  $start = microtime(true);
   for($i = 0; $i < $size; $i++) {
     // do nothing
     $value = $fixedArray[$i];