diff --git a/src/View/Helper/FormHelper.php b/src/View/Helper/FormHelper.php
index c5e90816528..aba2836db3c 100644
--- a/src/View/Helper/FormHelper.php
+++ b/src/View/Helper/FormHelper.php
@@ -1043,6 +1043,7 @@ public function input($fieldName, array $options = [])
             $nestedInput = true;
         }
         $nestedInput = isset($options['nestedInput']) ? $options['nestedInput'] : $nestedInput;
+        unset($options['nestedInput']);
 
         if ($nestedInput === true && $options['type'] === 'checkbox' && !array_key_exists('hiddenField', $options) && $label !== false) {
             $options['hiddenField'] = '_split';