diff --git a/lib/elements/custom-style.js b/lib/elements/custom-style.js
index 9af6bc5459..179eb3a178 100644
--- a/lib/elements/custom-style.js
+++ b/lib/elements/custom-style.js
@@ -7,7 +7,7 @@ The complete set of contributors may be found at http://polymer.github.io/CONTRI
 Code distributed by Google as part of the polymer project is also
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 */
-import '../../../../@webcomponents/shadycss/entrypoints/custom-style-interface.js';
+import '@webcomponents/shadycss/entrypoints/custom-style-interface.js';
 
 import { cssFromModules } from '../utils/style-gather.js';
 
diff --git a/lib/legacy/legacy-element-mixin.js b/lib/legacy/legacy-element-mixin.js
index b7fa702e6b..3119bf998f 100644
--- a/lib/legacy/legacy-element-mixin.js
+++ b/lib/legacy/legacy-element-mixin.js
@@ -7,7 +7,7 @@ The complete set of contributors may be found at http://polymer.github.io/CONTRI
 Code distributed by Google as part of the polymer project is also
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 */
-import '../../../../@webcomponents/shadycss/entrypoints/apply-shim.js';
+import '@webcomponents/shadycss/entrypoints/apply-shim.js';
 
 import { ElementMixin } from '../mixins/element-mixin.js';
 import { GestureEventListeners } from '../mixins/gesture-event-listeners.js';
diff --git a/test/unit/polymer-element-with-apply-import.js b/test/unit/polymer-element-with-apply-import.js
index 92fc023eec..897ed99ee7 100644
--- a/test/unit/polymer-element-with-apply-import.js
+++ b/test/unit/polymer-element-with-apply-import.js
@@ -9,7 +9,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 */
 import { PolymerElement } from '../../polymer-element.js';
 
-import '../../../../@webcomponents/shadycss/entrypoints/apply-shim.js';
+import '@webcomponents/shadycss/entrypoints/apply-shim.js';
 import '../../lib/elements/custom-style.js';
 import { html } from '../../lib/utils/html-tag.js';
 class ApplyElement extends PolymerElement {