diff --git a/packages/project-config/build.mjs b/packages/project-config/build.mjs
new file mode 100644
index 000000000000..ffe56393a3d3
--- /dev/null
+++ b/packages/project-config/build.mjs
@@ -0,0 +1,22 @@
+import fs from 'node:fs'
+
+import * as esbuild from 'esbuild'
+
+const result = await esbuild.build({
+  entryPoints: ['src/index.ts'],
+  outdir: 'dist',
+
+  bundle: true,
+
+  platform: 'node',
+  target: ['node18'],
+  packages: 'external',
+
+  logLevel: 'info',
+
+  // For visualizing the bundle.
+  // See https://esbuild.github.io/api/#metafile and https://esbuild.github.io/analyze/.
+  metafile: true,
+})
+
+fs.writeFileSync('meta.json', JSON.stringify(result.metafile))
diff --git a/packages/project-config/package.json b/packages/project-config/package.json
index df557bc9a5e2..59dacf42e834 100644
--- a/packages/project-config/package.json
+++ b/packages/project-config/package.json
@@ -15,9 +15,8 @@
     "dist"
   ],
   "scripts": {
-    "build": "run build:js && run build:types",
+    "build": "yarn node ./build.mjs && run build:types",
     "build:clean-dist": "rimraf 'dist/**/__tests__' --glob",
-    "build:js": "babel src -d dist --extensions \".js,.ts,.tsx\" --copy-files --no-copy-ignored && run build:clean-dist",
     "build:types": "tsc --build --verbose",
     "build:watch": "nodemon --watch src --ext \"js,ts,tsx\" --ignore dist --exec \"yarn build\"",
     "deps:dist": "depcruise dist --config --output-type dot | dot -T svg > dependency-graph-dist.svg",
@@ -27,17 +26,13 @@
     "test:watch": "run test --watch"
   },
   "dependencies": {
-    "@babel/runtime-corejs3": "7.21.5",
     "@iarna/toml": "2.2.5",
-    "core-js": "3.30.2",
     "deepmerge": "4.3.1",
     "fast-glob": "3.2.12",
     "findup-sync": "5.0.0",
     "string-env-interpolation": "1.0.1"
   },
   "devDependencies": {
-    "@babel/cli": "7.21.5",
-    "@babel/core": "7.21.8",
     "@types/findup-sync": "4.0.2",
     "dependency-cruiser": "12.12.1",
     "jest": "29.5.0",
diff --git a/yarn.lock b/yarn.lock
index 8910ba84e75b..56fc3dd3f28c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7291,12 +7291,8 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@redwoodjs/project-config@workspace:packages/project-config"
   dependencies:
-    "@babel/cli": 7.21.5
-    "@babel/core": 7.21.8
-    "@babel/runtime-corejs3": 7.21.5
     "@iarna/toml": 2.2.5
     "@types/findup-sync": 4.0.2
-    core-js: 3.30.2
     deepmerge: 4.3.1
     dependency-cruiser: 12.12.1
     fast-glob: 3.2.12