diff --git a/mocha-php/src/mocha-php/lessc.php b/mocha-php/src/mocha-php/lessc.php
index fbb1618..dc85996 100644
--- a/mocha-php/src/mocha-php/lessc.php
+++ b/mocha-php/src/mocha-php/lessc.php
@@ -1,4 +1,5 @@
 <?php
+error_reporting(E_ALL & ~E_DEPRECATED & ~E_NOTICE & ~E_WARNING);
 
 require_once ("lib/phast/Compilers/StyleSheet/LESS/Internal/LessStyleSheetCompiler.inc.php");
 require_once ("lib/phast/Compilers/StyleSheet/LESS/Internal/Formatters/CompressedFormatter.inc.php");