diff --git a/ext_emconf.php b/ext_emconf.php
index 1a597be..d17bac2 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -18,5 +18,4 @@ $EM_CONF[$_EXTKEY] = array(
 		'conflicts' => array(),
 		'suggests' => array(),
 	),
-	'_md5_values_when_last_written' => '',
 );