diff --git a/Dropdown.php b/Dropdown.php
index adefbdc..14fc158 100644
--- a/Dropdown.php
+++ b/Dropdown.php
@@ -90,7 +90,6 @@ class Dropdown extends Widget
         $lines = [];
         foreach ($items as $i => $item) {
             if (isset($item['visible']) && !$item['visible']) {
-                unset($items[$i]);
                 continue;
             }
             if (is_string($item)) {
diff --git a/Nav.php b/Nav.php
index 65a456f..bfeb606 100644
--- a/Nav.php
+++ b/Nav.php
@@ -127,7 +127,6 @@ class Nav extends Widget
         $items = [];
         foreach ($this->items as $i => $item) {
             if (isset($item['visible']) && !$item['visible']) {
-                unset($items[$i]);
                 continue;
             }
             $items[] = $this->renderItem($item);