diff --git a/src/usr/local/www/diag_pftop.php b/src/usr/local/www/diag_pftop.php
index 7de4513f2d..21b1c82247 100644
--- a/src/usr/local/www/diag_pftop.php
+++ b/src/usr/local/www/diag_pftop.php
@@ -122,7 +122,6 @@ $section->addInput(new Form_Select(
 		'peak' => gettext('Peak'),
 		'pkt' => gettext('Packet'),
 		'rate' => gettext('Rate'),
-		'size' => gettext('Size'),
 		'sport' => gettext('Source Port'),
 		'src' => gettext('Source Address'),
 	)