diff --git a/package.json b/package.json
index 0ad0faf632a356..877d5c32d3ed0a 100644
--- a/package.json
+++ b/package.json
@@ -160,7 +160,6 @@
     "compare-versions": "3.5.1",
     "core-js": "^3.2.1",
     "css-loader": "2.1.1",
-    "custom-event-polyfill": "^0.3.0",
     "d3": "3.5.17",
     "d3-cloud": "1.2.5",
     "deep-freeze-strict": "^1.1.1",
diff --git a/packages/kbn-ui-shared-deps/entry.js b/packages/kbn-ui-shared-deps/entry.js
index 250abd162f91d7..7a15c3bb742c0a 100644
--- a/packages/kbn-ui-shared-deps/entry.js
+++ b/packages/kbn-ui-shared-deps/entry.js
@@ -17,6 +17,9 @@
  * under the License.
  */
 
+// import global polyfills before everything else
+require('./polyfills');
+
 // must load before angular
 export const Jquery = require('jquery');
 window.$ = window.jQuery = Jquery;
diff --git a/packages/kbn-ui-shared-deps/package.json b/packages/kbn-ui-shared-deps/package.json
index 014467d204d96c..ac4375eef35697 100644
--- a/packages/kbn-ui-shared-deps/package.json
+++ b/packages/kbn-ui-shared-deps/package.json
@@ -13,8 +13,11 @@
     "@elastic/charts": "^16.1.0",
     "@kbn/dev-utils": "1.0.0",
     "@yarnpkg/lockfile": "^1.1.0",
+    "abortcontroller-polyfill": "^1.3.0",
     "angular": "^1.7.9",
+    "core-js": "^3.2.1",
     "css-loader": "^2.1.1",
+    "custom-event-polyfill": "^0.3.0",
     "del": "^5.1.0",
     "jquery": "^3.4.1",
     "mini-css-extract-plugin": "0.8.0",
@@ -24,6 +27,9 @@
     "react-intl": "^2.8.0",
     "react": "^16.12.0",
     "read-pkg": "^5.2.0",
-    "webpack": "4.41.0"
+    "regenerator-runtime": "^0.13.3",
+    "symbol-observable": "^1.2.0",
+    "webpack": "4.41.0",
+    "whatwg-fetch": "^3.0.0"
   }
 }
\ No newline at end of file
diff --git a/packages/kbn-ui-shared-deps/polyfills.js b/packages/kbn-ui-shared-deps/polyfills.js
new file mode 100644
index 00000000000000..d2305d643e4d20
--- /dev/null
+++ b/packages/kbn-ui-shared-deps/polyfills.js
@@ -0,0 +1,26 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+require('core-js/stable');
+require('regenerator-runtime/runtime');
+require('custom-event-polyfill');
+require('whatwg-fetch');
+require('abortcontroller-polyfill/dist/polyfill-patch-fetch');
+require('./vendor/childnode_remove_polyfill');
+require('symbol-observable');
diff --git a/webpackShims/childnode-remove-polyfill.js b/packages/kbn-ui-shared-deps/vendor/childnode_remove_polyfill.js
similarity index 68%
rename from webpackShims/childnode-remove-polyfill.js
rename to packages/kbn-ui-shared-deps/vendor/childnode_remove_polyfill.js
index 26c21d1674b07d..d8818fe809ccbb 100644
--- a/webpackShims/childnode-remove-polyfill.js
+++ b/packages/kbn-ui-shared-deps/vendor/childnode_remove_polyfill.js
@@ -1,21 +1,4 @@
-/*
- * Licensed to Elasticsearch B.V. under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch B.V. licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
+/* eslint-disable @kbn/eslint/require-license-header */
 
 /* @notice
  * This product bundles childnode-remove which is available under a
diff --git a/src/legacy/core_plugins/tests_bundle/tests_entry_template.js b/src/legacy/core_plugins/tests_bundle/tests_entry_template.js
index 02b1f5fec9c199..2f8a2264530d57 100644
--- a/src/legacy/core_plugins/tests_bundle/tests_entry_template.js
+++ b/src/legacy/core_plugins/tests_bundle/tests_entry_template.js
@@ -29,16 +29,7 @@ export const createTestEntryTemplate = defaultUiSettings => bundle => `
  *
  */
 
-// import global polyfills before everything else
-import 'core-js/stable';
-import 'regenerator-runtime/runtime';
-import 'custom-event-polyfill';
-import 'whatwg-fetch';
-import 'abortcontroller-polyfill';
-import 'childnode-remove-polyfill';
 import fetchMock from 'fetch-mock/es5/client';
-import Symbol_observable from 'symbol-observable';
-
 import { CoreSystem } from '__kibanaCore__';
 
 // Fake uiCapabilities returned to Core in browser tests
diff --git a/src/legacy/ui/ui_bundles/app_entry_template.js b/src/legacy/ui/ui_bundles/app_entry_template.js
index 6e270b24ff4a9a..966090db397f1f 100644
--- a/src/legacy/ui/ui_bundles/app_entry_template.js
+++ b/src/legacy/ui/ui_bundles/app_entry_template.js
@@ -26,15 +26,6 @@ export const appEntryTemplate = bundle => `
  * context: ${bundle.getContext()}
  */
 
-// import global polyfills
-import Symbol_observable from 'symbol-observable';
-import 'core-js/stable';
-import 'regenerator-runtime/runtime';
-import 'custom-event-polyfill';
-import 'whatwg-fetch';
-import 'abortcontroller-polyfill';
-import 'childnode-remove-polyfill';
-
 import { i18n } from '@kbn/i18n';
 import { CoreSystem } from '__kibanaCore__'