diff --git a/package.json b/package.json
index 4caec0c8dd..89d94fa929 100644
--- a/package.json
+++ b/package.json
@@ -191,6 +191,7 @@
     "webpack-assets-manifest": "^5.0.6",
     "webpack-bundle-analyzer": "^4.4.2",
     "webpack-cli": "^4.8.0",
+    "webpack-deadcode-plugin": "^0.1.16",
     "webpack-merge": "^5.8.0",
     "wicg-inert": "^3.1.1"
   },
diff --git a/webpack/shared.js b/webpack/shared.js
index 0ccd628cb1..8135fa512d 100644
Binary files a/webpack/shared.js and b/webpack/shared.js differ
diff --git a/yarn.lock b/yarn.lock
index 9ed45677b1..ece5c1947f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10786,6 +10786,14 @@ webpack-cli@^4.8.0:
     v8-compile-cache "^2.2.0"
     webpack-merge "^5.7.3"
 
+webpack-deadcode-plugin@^0.1.16:
+  version "0.1.16"
+  resolved "https://registry.yarnpkg.com/webpack-deadcode-plugin/-/webpack-deadcode-plugin-0.1.16.tgz#f58ec7bd908325247396438a50afc209bfd01bdd"
+  integrity sha512-T3oRlzftN4jU8Wm8rjx9mzYC8zr4CND5kNgh6EBJyhWy68F5kZ334EjdBjOKDEpUHuybBuxi/SviVUFsP0gx4g==
+  dependencies:
+    chalk "^3.0.0"
+    fast-glob "^3.1.1"
+
 webpack-dev-middleware@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-5.1.0.tgz#90a645b077e85f661c5bb967dc32adc3eceb5cfd"