diff --git a/core/keyboard_nav/ast_node.js b/core/keyboard_nav/ast_node.js
index 0c349bbd0..c1323099f 100644
--- a/core/keyboard_nav/ast_node.js
+++ b/core/keyboard_nav/ast_node.js
@@ -13,13 +13,20 @@
 goog.module('Blockly.ASTNode');
 goog.module.declareLegacyNamespace();
 
+/* eslint-disable-next-line no-unused-vars */
 const Block = goog.requireType('Blockly.Block');
+/* eslint-disable-next-line no-unused-vars */
 const Connection = goog.requireType('Blockly.Connection');
 const Coordinate = goog.require('Blockly.utils.Coordinate');
+/* eslint-disable-next-line no-unused-vars */
 const Field = goog.requireType('Blockly.Field');
+/* eslint-disable-next-line no-unused-vars */
 const IASTNodeLocation = goog.requireType('Blockly.IASTNodeLocation');
+/* eslint-disable-next-line no-unused-vars */
 const IASTNodeLocationWithBlock = goog.requireType('Blockly.IASTNodeLocationWithBlock');
+/* eslint-disable-next-line no-unused-vars */
 const Input = goog.requireType('Blockly.Input');
+/* eslint-disable-next-line no-unused-vars */
 const Workspace = goog.requireType('Blockly.Workspace');
 const connectionTypes = goog.require('Blockly.connectionTypes');