diff --git a/src/API/BlockAPI.php b/src/API/BlockAPI.php
index c5eff5c30..96ea52fdf 100644
--- a/src/API/BlockAPI.php
+++ b/src/API/BlockAPI.php
@@ -640,7 +640,6 @@ class BlockAPI{
 					return false;
 				}
 				$faces = array(
-					0 => 6,
 					1 => 5,
 					2 => 4,
 					3 => 3,