diff --git a/tests/TestCase.php b/tests/TestCase.php
index 3a261bb..ad9d0a4 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -135,8 +135,6 @@ function ($param = null) use ($stubPdo) {
     protected function getDataSet()
     {
         $max    = $this->numRecords;
-        $nonce  = 0;
-        $index  = time();
         $result = [
             self::FROM_TABLE             => [],
             self::JOIN_TABLE             => [],