diff --git a/aio/.gitignore b/aio/.gitignore
index 4790f4f2f7..901c8f7359 100644
--- a/aio/.gitignore
+++ b/aio/.gitignore
@@ -44,6 +44,3 @@ protractor-results*.txt
 # System Files
 .DS_Store
 Thumbs.db
-
-# copied dependencies
-src/assets/js/lunr*
diff --git a/aio/README.md b/aio/README.md
index a6fef940cd..18af4b96aa 100644
--- a/aio/README.md
+++ b/aio/README.md
@@ -41,8 +41,6 @@ Here are the most important tasks you might need to use:
   - `yarn example-e2e --filter=foo` - limit e2e tests to those containing the word "foo"
   - `yarn example-e2e --setup --local` - run e2e tests with the local version of Angular contained in the "dist" folder
 
-* `yarn build-ie-polyfills` - generates a js file of polyfills that can be loaded in Internet Explorer.
-
 ## Developing on Windows
 The `packages/` directory may contain Linux-specific symlinks, which are not recognized by Windows.
 These unresolved links cause the docs generation process to fail because it cannot locate certain files.
@@ -50,7 +48,7 @@ These unresolved links cause the docs generation process to fail because it cann
 > Hint: The following steps require administration rights or [Windows Developer Mode](https://docs.microsoft.com/en-us/windows/uwp/get-started/enable-your-device-for-development) enabled!
 
 To fix this problem, run `scripts/windows/create-symlinks.sh`. This command creates temporary files where the symlinks used to be. Make sure not to commit those files with your documentation changes.
-When you are done making and testing your documentation changes, you can restore the original symlinks and delete the temporary files by running `scripts/windows/remove-symlinks.sh`. 
+When you are done making and testing your documentation changes, you can restore the original symlinks and delete the temporary files by running `scripts/windows/remove-symlinks.sh`.
 
 It's necessary to remove the temporary files, because otherwise they're displayed as local changes in your git working copy and certain operations are blocked.
 
diff --git a/aio/ngsw-config.json b/aio/ngsw-config.json
index 8472b21b21..90b0ad2d04 100644
--- a/aio/ngsw-config.json
+++ b/aio/ngsw-config.json
@@ -12,6 +12,7 @@
           "/app/search/search-worker.js",
           "/assets/images/favicons/favicon.ico",
           "/assets/js/*.js",
+          "/generated/lunr.min.js",
           "/*.css",
           "/*.js"
         ],
diff --git a/aio/package.json b/aio/package.json
index 69c51c1196..63a509b464 100644
--- a/aio/package.json
+++ b/aio/package.json
@@ -7,7 +7,7 @@
   "license": "MIT",
   "scripts": {
     "preinstall": "node ../tools/yarn/check-yarn.js",
-    "postinstall": "node tools/cli-patches/patch.js && uglifyjs node_modules/lunr/lunr.js -c -m -o src/assets/js/lunr.min.js --source-map",
+    "postinstall": "node tools/cli-patches/patch.js",
     "aio-use-local": "node tools/ng-packages-installer overwrite . --debug",
     "aio-use-npm": "node tools/ng-packages-installer restore .",
     "aio-check-local": "node tools/ng-packages-installer check .",
@@ -25,7 +25,7 @@
     "e2e": "ng e2e --no-webdriver-update",
     "presetup": "yarn --cwd .. install && yarn install --frozen-lockfile && yarn ~~check-env && yarn ~~clean-generated && yarn boilerplate:remove",
     "setup": "yarn aio-use-npm && yarn example-use-npm",
-    "postsetup": "yarn boilerplate:add && yarn build-ie-polyfills && yarn extract-cli-command-docs && yarn docs",
+    "postsetup": "yarn ~~build-ie-polyfills && yarn ~~minify-lunr && yarn boilerplate:add && yarn extract-cli-command-docs && yarn docs",
     "presetup-local": "yarn presetup",
     "setup-local": "yarn aio-use-local && yarn example-use-local",
     "postsetup-local": "yarn postsetup",
@@ -61,13 +61,14 @@
     "generate-stackblitz": "node ./tools/stackblitz-builder/generateStackblitz",
     "generate-zips": "node ./tools/example-zipper/generateZips",
     "build-404-page": "node scripts/build-404-page",
-    "build-ie-polyfills": "yarn webpack-cli src/ie-polyfills.js -o src/generated/ie-polyfills.min.js --mode production",
     "update-webdriver": "webdriver-manager update --standalone false --gecko false $CHROMEDRIVER_VERSION_ARG",
     "~~check-env": "node scripts/check-environment",
     "~~clean-generated": "node --eval \"require('shelljs').rm('-rf', 'src/generated')\"",
     "~~build": "ng build",
     "post~~build": "yarn build-404-page",
-    "~~http-server": "http-server"
+    "~~build-ie-polyfills": "webpack-cli src/ie-polyfills.js -o src/generated/ie-polyfills.min.js --mode production",
+    "~~http-server": "http-server",
+    "~~minify-lunr": "uglifyjs node_modules/lunr/lunr.js -c -m -o src/generated/lunr.min.js --source-map"
   },
   "engines": {
     "node": ">=10.9.0 <11.0.0",
diff --git a/aio/src/app/search/search-worker.js b/aio/src/app/search/search-worker.js
index 77859b7c66..c47dabd82d 100644
--- a/aio/src/app/search/search-worker.js
+++ b/aio/src/app/search/search-worker.js
@@ -6,7 +6,7 @@
 var SEARCH_TERMS_URL = '/generated/docs/app/search-data.json';
 
 // NOTE: This needs to be kept in sync with `ngsw-config.json`.
-importScripts('/assets/js/lunr.min.js');
+importScripts('/generated/lunr.min.js');
 
 var index;
 var pages /* : SearchInfo */ = {};