diff --git a/.vscode/launch.json b/.vscode/launch.json
index e64deaaba4a4e2..ad44b4feb3276b 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -57,7 +57,7 @@
       "name": "Build @fluentui/react",
       "type": "node",
       "request": "launch",
-      "program": "${workspaceRoot}/scripts/just-scripts.js",
+      "program": "${workspaceRoot}/node-modules/just-scripts/bin/just-scripts.js",
       "cwd": "${workspaceRoot}/packages/react",
       "stopOnEntry": false,
       "args": ["ts"],
diff --git a/package.json b/package.json
index 2da70f40721f1d..344915299cba2c 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,6 @@
     "buildto": "lage build --verbose --to",
     "buildto:lerna": "node ./scripts/monorepo/buildTo.js",
     "bundle": "lage bundle --verbose",
-    "bundlesize": "cd scripts && yarn bundlesize",
     "bundlesizecollect": "node ./scripts/bundle-size-collect",
     "change": "beachball change --no-commit",
     "check:change": "beachball check",
@@ -55,9 +54,7 @@
     "runto:lerna": "node ./scripts/monorepo/runTo.js",
     "scrub": "node ./scripts/scrub.js",
     "start": "node scripts/start.js",
-    "start:legacy": "yarn workspace @fluentui/public-docsite-resources start",
     "start:northstar": "yarn workspace @fluentui/docs start",
-    "start-exp": "yarn workspace @fluentui/react-experiments start",
     "stats:build": "gulp stats",
     "stats:save": "gulp stats:save",
     "test": "lage test --verbose",
@@ -119,6 +116,7 @@
     "@testing-library/react": "12.1.2",
     "@testing-library/react-hooks": "7.0.2",
     "@testing-library/user-event": "13.5.0",
+    "@tsconfig/node14": "1.0.3",
     "@types/babel__helper-plugin-utils": "7.10.0",
     "@types/copy-webpack-plugin": "6.4.0",
     "@types/dedent": "0.7.0",
@@ -161,7 +159,7 @@
     "beachball": "2.18.0",
     "chalk": "4.1.0",
     "ci-info": "3.2.0",
-    "clean-webpack-plugin": "3.0.0",
+    "clean-webpack-plugin": "4.0.0",
     "cli-table3": "0.6.1",
     "copy-webpack-plugin": "8.1.0",
     "cross-env": "^5.1.4",
@@ -216,6 +214,7 @@
     "loader-utils": "2.0.0",
     "memfs": "3.2.2",
     "node-fetch": "2.6.7",
+    "nx": "13.10.6",
     "portfinder": "1.0.28",
     "postcss": "8.3.5",
     "postcss-loader": "4.1.0",
@@ -259,8 +258,7 @@
     "workspace-tools": "0.18.4",
     "yargs": "13.3.2",
     "yargs-parser": "13.1.2",
-    "yargs-unparser": "2.0.0",
-    "nx": "13.10.6"
+    "yargs-unparser": "2.0.0"
   },
   "dependencies": {
     "copy-to-clipboard": "3.3.1"
diff --git a/packages/fluentui/perf-test-northstar/tsconfig.json b/packages/fluentui/perf-test-northstar/tsconfig.json
index f99cd4602f451c..c18f11c5eafcb1 100644
--- a/packages/fluentui/perf-test-northstar/tsconfig.json
+++ b/packages/fluentui/perf-test-northstar/tsconfig.json
@@ -1,9 +1,19 @@
 {
-  "extends": "@fluentui/scripts/typescript/tsconfig.common",
   "compilerOptions": {
+    "moduleResolution": "node",
+    "module": "esnext",
+    "target": "es5",
+    "forceConsistentCasingInFileNames": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "lib": ["es2015", "dom"],
+    "strict": true,
+    "jsx": "react",
     "rootDir": "src",
     "outDir": "lib",
-    "types": ["node", "jest", "expect-puppeteer", "jest-environment-puppeteer", "webpack-env"]
+    "sourceMap": true,
+    "types": ["node", "jest", "expect-puppeteer", "jest-environment-puppeteer", "webpack-env"],
+    "noUnusedLocals": true
   },
   "include": ["src"],
   "references": []
diff --git a/scripts/beachball/config.test.ts b/scripts/beachball/config.test.ts
index e8b1f23cbb8d65..fb023124eab368 100644
--- a/scripts/beachball/config.test.ts
+++ b/scripts/beachball/config.test.ts
@@ -1,5 +1,3 @@
-/// <reference types="jest" />
-
 import { config as sharedConfig } from './shared.config';
 import v8Config from './release-v8.config';
 import vNextConfig from './release-vNext.config';
diff --git a/scripts/gulp/plugins/util/parseTypeAnnotation.ts b/scripts/gulp/plugins/util/parseTypeAnnotation.ts
index 4996cd30c8b41f..6f245a3fa3f476 100644
--- a/scripts/gulp/plugins/util/parseTypeAnnotation.ts
+++ b/scripts/gulp/plugins/util/parseTypeAnnotation.ts
@@ -48,6 +48,7 @@ const parseTypeAnnotation = (propName: string, propType: string, tsType: t.TSTyp
   }
 
   if (t.isTSLiteralType(tsType)) {
+    // @ts-expect-error - FIXME - `value` doesn't exist on literal
     return [{ name: 'literal', value: tsType.literal.value.toString() }];
   }
 
diff --git a/scripts/gulp/tasks/browserAdapters.ts b/scripts/gulp/tasks/browserAdapters.ts
index 8d42fc3f551a02..d1376ed1302d22 100644
--- a/scripts/gulp/tasks/browserAdapters.ts
+++ b/scripts/gulp/tasks/browserAdapters.ts
@@ -68,7 +68,7 @@ async function checkDevtoolsAvailability(host, port, timeout): Promise<boolean>
 
     socket.connect(port, host, () => {
       socket.end();
-      resolve();
+      resolve(undefined);
     });
   });
 
diff --git a/scripts/just-scripts.js b/scripts/just-scripts.js
deleted file mode 100755
index 1e6f439adc127f..00000000000000
--- a/scripts/just-scripts.js
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env node
-require('just-scripts/bin/just-scripts');
diff --git a/scripts/package.json b/scripts/package.json
index 8fe6cfcea852a3..5ae5c3a8f1c9a4 100644
--- a/scripts/package.json
+++ b/scripts/package.json
@@ -2,16 +2,10 @@
   "name": "@fluentui/scripts",
   "version": "1.0.0",
   "private": true,
-  "main": "./index.js",
-  "bin": {
-    "just-scripts": "./just-scripts.js"
-  },
   "scripts": {
-    "build": "echo no-op",
-    "bundlesize": "bundlesize --debug",
-    "clean": "",
-    "code-style": "node ./just-scripts.js code-style",
-    "test": "jest"
+    "code-style": "just-scripts code-style",
+    "test": "jest",
+    "type-check": "tsc -p . --noEmit"
   },
   "devDependencies": {
     "@fluentui/eslint-plugin": "*"
@@ -73,11 +67,5 @@
     "riceburn": "^1.3.1",
     "through2": "^2.0.3",
     "ts-node": "^7.0.0"
-  },
-  "bundlesize": [
-    {
-      "path": "../apps/test-bundles/dist/fluentui-react-Button.min.js",
-      "maxSize": "50.1 kB"
-    }
-  ]
+  }
 }
diff --git a/scripts/publish-beta.js b/scripts/publish-beta.js
deleted file mode 100644
index 2ca024d97b1de9..00000000000000
--- a/scripts/publish-beta.js
+++ /dev/null
@@ -1,23 +0,0 @@
-// @ts-check
-
-const path = require('path');
-const chalk = require('chalk');
-const execSync = require('./exec-sync');
-const getAllPackageInfo = require('./monorepo/getAllPackageInfo');
-
-const allPackages = getAllPackageInfo();
-const packages = [];
-
-Object.keys(allPackages).forEach(name => {
-  const info = allPackages[name];
-  if (info.packageJson.private !== true) {
-    packages.push(info);
-  }
-});
-
-for (const package of packages) {
-  const packagePath = path.resolve(__dirname, '..', package.packagePath);
-
-  console.log(`Publishing ${chalk.magenta(package.packageName)} in ${packagePath}`);
-  execSync('npm publish --tag next', undefined, packagePath);
-}
diff --git a/scripts/tasks/argv.spec.ts b/scripts/tasks/argv.spec.ts
index a657985bf6afcb..a246ebf7a8d0a9 100644
--- a/scripts/tasks/argv.spec.ts
+++ b/scripts/tasks/argv.spec.ts
@@ -1,5 +1,3 @@
-/// <reference types="jest" />
-
 import { argv } from 'just-scripts';
 import { Arguments } from 'yargs';
 
diff --git a/scripts/tsconfig.json b/scripts/tsconfig.json
index 04a80c9b5f33f9..66b61f006fa203 100644
--- a/scripts/tsconfig.json
+++ b/scripts/tsconfig.json
@@ -1,17 +1,17 @@
 {
-  "extends": "./typescript/tsconfig.common.json",
   // This config is used for running build scripts through ts-node
+  "extends": "@tsconfig/node14/tsconfig.json",
   "compilerOptions": {
-    "module": "CommonJS",
-    "target": "ES2018", // Node 10 per https://kangax.github.io/compat-table/es2016plus/#node10_9
-    "lib": ["ES2018", "DOM"], // Node 10, occasional test-related stuff that uses DOM
-    "esModuleInterop": true,
+    "noEmit": true,
     "allowJs": true,
     "noImplicitAny": false,
     "strictNullChecks": false,
+    "outDir": "../../dist",
+    "sourceMap": true,
     "typeRoots": ["../typings", "../node_modules/@types"],
-    "types": ["node", "webpack-env"]
+    "types": ["node", "jest" /* , "webpack-env" */],
+    "noUnusedLocals": true
   },
   "include": ["."],
-  "exclude": ["./create-package/plop-templates*", "cypress.config.ts"]
+  "exclude": ["./cypress/**", "./cypress.js", "./cypress.config.ts"]
 }
diff --git a/scripts/typescript/normalize-import.js b/scripts/typescript/normalize-import.js
index 40f05324ad1c29..0cd5a0c1fd69af 100644
--- a/scripts/typescript/normalize-import.js
+++ b/scripts/typescript/normalize-import.js
@@ -1,7 +1,5 @@
 // @ts-check
 
-/// <reference lib="es2019.array" />
-
 const fs = require('fs');
 const path = require('path');
 const chalk = require('chalk');
@@ -84,7 +82,7 @@ function getAllFiles(dirPath, arrayOfFiles = []) {
     return filePath;
   });
 
-  return allFiles.flat(Infinity);
+  return /** @type {string[]} */ (allFiles.flat(Infinity));
 }
 
 /**
diff --git a/scripts/typescript/normalize-import.spec.js b/scripts/typescript/normalize-import.spec.js
index fbe32b799a0703..bc44796963d5a4 100644
--- a/scripts/typescript/normalize-import.spec.js
+++ b/scripts/typescript/normalize-import.spec.js
@@ -1,7 +1,5 @@
 // @ts-check
 
-/// <reference types="jest" />
-
 const { execSync } = require('child_process');
 const fs = require('fs');
 const path = require('path');
diff --git a/scripts/typescript/tsconfig.common.json b/scripts/typescript/tsconfig.common.json
deleted file mode 100644
index f9b52eb357ad01..00000000000000
--- a/scripts/typescript/tsconfig.common.json
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "es5",
-    "module": "esnext",
-    "moduleResolution": "node",
-    "lib": ["es2015", "dom"],
-    "jsx": "react",
-    "declaration": true,
-    "declarationMap": true,
-    "sourceMap": true,
-    "outDir": "lib",
-    "strict": true,
-    "noUnusedLocals": true,
-    "noImplicitAny": true,
-    "noImplicitThis": true,
-    "forceConsistentCasingInFileNames": true,
-    "esModuleInterop": true,
-    "skipDefaultLibCheck": true,
-    "skipLibCheck": true,
-    "types": ["node", "jest"]
-  }
-}
diff --git a/scripts/webpack/webpack.config.stats.ts b/scripts/webpack/webpack.config.stats.ts
index 943b38f4f519ff..cca7e39792c117 100644
--- a/scripts/webpack/webpack.config.stats.ts
+++ b/scripts/webpack/webpack.config.stats.ts
@@ -1,4 +1,4 @@
-import CleanWebpackPlugin from 'clean-webpack-plugin';
+import { CleanWebpackPlugin } from 'clean-webpack-plugin';
 import fs from 'fs';
 import path from 'path';
 import webpack from 'webpack';
@@ -64,10 +64,7 @@ const makeConfig = (srcPath: string, name: string): webpack.Configuration => ({
     optimization: {
       minimizer: [
         new TerserWebpackPlugin({
-          cache: true,
           parallel: true,
-          sourceMap: false,
-
           terserOptions: {
             mangle: false,
             output: {
@@ -81,10 +78,7 @@ const makeConfig = (srcPath: string, name: string): webpack.Configuration => ({
     },
   }),
   plugins: [
-    new CleanWebpackPlugin([paths.base('stats')], {
-      root: paths.base(),
-      verbose: false, // do not log
-    }),
+    new CleanWebpackPlugin(),
     new IgnoreNotFoundExportPlugin(),
     // new BundleAnalyzerPlugin({
     //   reportFilename: `${name}.html`,
diff --git a/yarn.lock b/yarn.lock
index fe968fcc9fe681..1c2ba969c43166 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4860,6 +4860,11 @@
     mkdirp "^1.0.4"
     multimatch "^5.0.0"
 
+"@tsconfig/node14@1.0.3":
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/@tsconfig/node14/-/node14-1.0.3.tgz#e4386316284f00b98435bf40f72f75a09dabf6c1"
+  integrity sha512-ysT8mhdixWK6Hw3i1V2AeRqZ5WfXg1G43mqoYlM2nc6388Fq5jcXyr5mRsqViLx/GJYdoL0bfXD8nmF+Zn/Iow==
+
 "@types/argparse@1.0.38":
   version "1.0.38"
   resolved "https://registry.yarnpkg.com/@types/argparse/-/argparse-1.0.38.tgz#a81fd8606d481f873a3800c6ebae4f1d768a56a9"
@@ -5925,7 +5930,7 @@
     "@types/source-list-map" "*"
     source-map "^0.6.1"
 
-"@types/webpack@*", "@types/webpack@^4", "@types/webpack@^4.4.31", "@types/webpack@^4.41.26", "@types/webpack@^4.41.8":
+"@types/webpack@*", "@types/webpack@^4", "@types/webpack@^4.41.26", "@types/webpack@^4.41.8":
   version "4.41.30"
   resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.41.30.tgz#fd3db6d0d41e145a8eeeafcd3c4a7ccde9068ddc"
   integrity sha512-GUHyY+pfuQ6haAfzu4S14F+R5iGRwN6b2FRNJY7U0NilmFAqbsOfK6j1HwuLBAqwRIT+pVdNDJGJ6e8rpp0KHA==
@@ -9007,12 +9012,11 @@ clean-stack@^2.0.0:
   resolved "https://registry.yarnpkg.com/clean-stack/-/clean-stack-2.2.0.tgz#ee8472dbb129e727b31e8a10a427dee9dfe4008b"
   integrity sha512-4diC9HaTE+KRAMWhDhrGOECgWZxoevMc5TlkObMqNSsVU62PYzXZ/SMTjzyGAFF1YusgxGcSWTEXBhp0CPwQ1A==
 
-clean-webpack-plugin@3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/clean-webpack-plugin/-/clean-webpack-plugin-3.0.0.tgz#a99d8ec34c1c628a4541567aa7b457446460c62b"
-  integrity sha512-MciirUH5r+cYLGCOL5JX/ZLzOZbVr1ot3Fw+KcvbhUb6PM+yycqd9ZhIlcigQ5gl+XhppNmw3bEFuaaMNyLj3A==
+clean-webpack-plugin@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/clean-webpack-plugin/-/clean-webpack-plugin-4.0.0.tgz#72947d4403d452f38ed61a9ff0ada8122aacd729"
+  integrity sha512-WuWE1nyTNAyW5T7oNyys2EN0cfP2fdRxhxnIQWiAp0bMabPdHhoGxM8A6YL2GhqwgrPnnaemVE7nv5XJ2Fhh2w==
   dependencies:
-    "@types/webpack" "^4.4.31"
     del "^4.1.1"
 
 cli-boxes@^1.0.0: