diff --git a/src/xmlrpc.php b/src/xmlrpc.php
index 592902085712f..ae73f687a2daa 100644
--- a/src/xmlrpc.php
+++ b/src/xmlrpc.php
@@ -22,9 +22,7 @@
 }
 
 // Fix for mozBlog and other cases where '<?xml' isn't on the very first line.
-if ( isset( $HTTP_RAW_POST_DATA ) ) {
-	$HTTP_RAW_POST_DATA = trim( $HTTP_RAW_POST_DATA );
-}
+$HTTP_RAW_POST_DATA = trim( $HTTP_RAW_POST_DATA );
 // phpcs:enable
 
 /** Include the bootstrap for setting up WordPress environment */