diff --git a/core/modules/content_translation/content_translation.admin.js b/core/modules/content_translation/content_translation.admin.js
index 1f00aa8..0241ffc 100644
--- a/core/modules/content_translation/content_translation.admin.js
+++ b/core/modules/content_translation/content_translation.admin.js
@@ -40,14 +40,14 @@
 
       // Hides/Show translation checkboxes for disabled field values.
       if (options.translation_sync_options) {
-        for (var field in options.translation_sync_options) {
-          if (options.translation_sync_options.hasOwnProperty(field)) {
-            translation_sync_options = options.translation_sync_options[field];
+        for (var field2 in options.translation_sync_options) {
+          if (options.translation_sync_options.hasOwnProperty(field2)) {
+            translation_sync_options = options.translation_sync_options[field2];
 
             for (var index in translation_sync_options) {
               if (translation_sync_options.hasOwnProperty(index)) {
                 column = translation_sync_options[index];
-                $translatable_field = $context.find('input[name^="' + field + '[' + column + ']"]');
+                $translatable_field = $context.find('input[name^="' + field2 + '[' + column + ']"]');
 
                 $fields = $context.find('input[name^="instance[settings][' + column + '_field]"]');
 
@@ -138,9 +138,6 @@
         });
     },
     check: function ($translatable_field, column, $changed) {
-      var $element = $changed;
-      var column;
-
       var $target = $('input[name^="instance[settings][' + column + '_field]"]');
 
       if ($target.is(':checked')) {