diff --git a/demo-shell/src/polyfills.ts b/demo-shell/src/polyfills.ts
index dbac04718a..161772acdb 100644
--- a/demo-shell/src/polyfills.ts
+++ b/demo-shell/src/polyfills.ts
@@ -53,9 +53,6 @@ import 'core-js/es6/set';
 /** IE10 and IE11 requires the following for NgClass support on SVG elements */
 import 'classlist.js';  // Run `npm install --save classlist.js`.
 
-/** IE10 and IE11 requires the following to support `@angular/animation`. */
-import 'web-animations-js';  // Run `npm install --save web-animations-js`.
-
 /** Evergreen browsers require these. */
 import 'core-js/es6/reflect';
 import 'core-js/es7/reflect';
diff --git a/package.json b/package.json
index b491a31dfa..7ab7802174 100644
--- a/package.json
+++ b/package.json
@@ -98,7 +98,6 @@
     "rxjs": "^6.2.2",
     "rxjs-compat": "^6.1.0",
     "systemjs": "0.19.27",
-    "web-animations-js": "2.3.1",
     "zone.js": "~0.8.26"
   },
   "devDependencies": {