diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 67360e53b..166b4c315 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -11,7 +11,7 @@
 
   <logging>
     <log type="coverage-html" target="build/coverage" title="PHP_CodeCoverage"
-         charset="UTF-8" yui="true" highlight="true"
+         charset="UTF-8" highlight="true"
          lowUpperBound="35" highLowerBound="70"/>
     <log type="coverage-clover" target="build/logs/clover.xml"/>
     <log type="junit" target="build/logs/junit.xml" logIncompleteSkipped="false"/>