diff --git a/PHPUnit/Util/Log/VCR.php b/PHPUnit/Util/Log/VCR.php
index 9b14495..0e851a1 100644
--- a/PHPUnit/Util/Log/VCR.php
+++ b/PHPUnit/Util/Log/VCR.php
@@ -125,8 +125,6 @@ public function startTest(PHPUnit_Framework_Test $test)
         // If the cassette name ends in .json, then use the JSON storage format
         if (substr($cassetteName, '-5') == '.json') {
             \VCR\VCR::configure()->setStorage('json');
-        } else {
-            \VCR\VCR::configure()->setStorage('yaml');
         }
 
         if (empty($cassetteName)) {