diff --git a/javascript/src/layers/featureviewtilesource.js b/javascript/src/layers/featureviewtilesource.js
index 6f9852f22..6976cc1aa 100644
--- a/javascript/src/layers/featureviewtilesource.js
+++ b/javascript/src/layers/featureviewtilesource.js
@@ -3,7 +3,7 @@ goog.module.declareLegacyNamespace();
 
 const AbstractTile = goog.require('ee.layers.AbstractTile');
 const AbstractTileSource = goog.require('ee.layers.AbstractTileSource');
-const ee = goog.require('ee');
+const FeatureViewTilesKey = goog.requireType('ee.data.FeatureViewTilesKey');
 
 /**
  * A tile source for FeatureView tiles.
@@ -13,7 +13,7 @@ const ee = goog.require('ee');
  */
 const FeatureViewTileSource = class extends AbstractTileSource {
   /**
-   * @param {!ee.data.FeatureViewTilesKey} tilesKey FeatureView tiles key for
+   * @param {!FeatureViewTilesKey} tilesKey FeatureView tiles key for
    *     fetching this layer's tiles.
    */
   constructor(tilesKey) {