diff --git a/app/code/Magento/Eav/Model/Attribute/Data/File.php b/app/code/Magento/Eav/Model/Attribute/Data/File.php
index d6476eefc59b1..1ee66915453c3 100644
--- a/app/code/Magento/Eav/Model/Attribute/Data/File.php
+++ b/app/code/Magento/Eav/Model/Attribute/Data/File.php
@@ -146,7 +146,7 @@ protected function _validateByRules($value)
             return $this->_fileValidator->getMessages();
         }
 
-        if (!empty($value['tmp_name']) && !is_uploaded_file($value['tmp_name'])) {
+        if (!empty($value['tmp_name']) && !file_exists($value['tmp_name'])) {
             return [__('"%1" is not a valid file.', $label)];
         }
 
diff --git a/app/code/Magento/Ui/view/base/web/js/form/element/file-uploader.js b/app/code/Magento/Ui/view/base/web/js/form/element/file-uploader.js
index 4b178622c28cf..1fbde3601cc18 100644
--- a/app/code/Magento/Ui/view/base/web/js/form/element/file-uploader.js
+++ b/app/code/Magento/Ui/view/base/web/js/form/element/file-uploader.js
@@ -14,7 +14,8 @@ define([
     'Magento_Ui/js/lib/validation/validator',
     'Magento_Ui/js/form/element/abstract',
     'mage/translate',
-    'jquery/file-uploader'
+    'jquery/file-uploader',
+    'mage/adminhtml/tools'
 ], function ($, _, utils, uiAlert, validator, Element, $t) {
     'use strict';
 
diff --git a/app/code/Magento/Variable/view/adminhtml/web/variables.js b/app/code/Magento/Variable/view/adminhtml/web/variables.js
index d519053b5265a..e91f172f59fe7 100644
--- a/app/code/Magento/Variable/view/adminhtml/web/variables.js
+++ b/app/code/Magento/Variable/view/adminhtml/web/variables.js
@@ -9,7 +9,8 @@ define([
     'mage/translate',
     'Magento_Ui/js/modal/modal',
     'jquery/ui',
-    'prototype'
+    'prototype',
+    'mage/adminhtml/tools'
 ], function (jQuery, $t) {
     'use strict';
 
diff --git a/lib/web/mage/adminhtml/tools.js b/lib/web/mage/adminhtml/tools.js
index f23a0193cb6b2..ed4bab7102ae5 100644
--- a/lib/web/mage/adminhtml/tools.js
+++ b/lib/web/mage/adminhtml/tools.js
@@ -89,12 +89,6 @@ function checkByProductPriceType(elem) {
 
 }
 
-Event.observe(window, 'load', function () {
-    if ($('price_default') && $('price_default').checked) {
-        $('price').disabled = 'disabled';
-    }
-});
-
 function toggleSeveralValueElements(checkbox, containers, excludedElements, checked) {
     'use strict';