diff --git a/packages/cli/tsconfig.json b/packages/cli/tsconfig.json
deleted file mode 100644
index 62406593a8..0000000000
--- a/packages/cli/tsconfig.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "extends": "../../tsconfig.json",
-  "compilerOptions": {
-    "experimentalDecorators": true
-  },
-  "files": [],
-  "include": [],
-  "exclude": ["**/*"]
-}
diff --git a/packages/core/build.ts b/packages/core/build.ts
index 15354cd6d9..f064202a07 100644
--- a/packages/core/build.ts
+++ b/packages/core/build.ts
@@ -91,7 +91,7 @@ await mergePackageJson();
 
 async function buildVite() {
   const newViteRolldownConfig = viteRolldownConfig.map((config) => {
-    config.tsconfig = join(projectDir, 'tsconfig.json');
+    config.tsconfig = join(projectDir, '..', '..', 'tsconfig.json');
     config.cwd = projectDir;
 
     if (Array.isArray(config.external)) {
diff --git a/packages/core/package.json b/packages/core/package.json
index d6df374112..cdcd7a44cc 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -100,7 +100,7 @@
     "./types/internal/*": null
   },
   "scripts": {
-    "build": "oxnode -C dev ./build.ts"
+    "build": "cross-env OXC_TSCONFIG_PATH=../../tsconfig.json oxnode -C dev ./build.ts"
   },
   "dependencies": {
     "@oxc-project/runtime": "catalog:",
@@ -116,6 +116,7 @@
     "@oxc-node/cli": "catalog:",
     "@oxc-node/core": "catalog:",
     "@vitejs/devtools": "^0.1.15",
+    "cross-env": "catalog:",
     "es-module-lexer": "^1.7.0",
     "hookable": "^6.0.1",
     "magic-string": "^0.30.21",
diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
deleted file mode 100644
index 62406593a8..0000000000
--- a/packages/core/tsconfig.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "extends": "../../tsconfig.json",
-  "compilerOptions": {
-    "experimentalDecorators": true
-  },
-  "files": [],
-  "include": [],
-  "exclude": ["**/*"]
-}
diff --git a/packages/test/package.json b/packages/test/package.json
index bfd1f53909..f6e1d03dd4 100644
--- a/packages/test/package.json
+++ b/packages/test/package.json
@@ -272,7 +272,7 @@
     }
   },
   "scripts": {
-    "build": "oxnode -C dev ./build.ts"
+    "build": "cross-env OXC_TSCONFIG_PATH=../../tsconfig.json oxnode -C dev ./build.ts"
   },
   "dependencies": {
     "@standard-schema/spec": "^1.1.0",
@@ -306,6 +306,7 @@
     "@vitest/utils": "4.1.5",
     "chai": "^6.2.1",
     "convert-source-map": "^2.0.0",
+    "cross-env": "catalog:",
     "estree-walker": "^3.0.3",
     "expect-type": "^1.2.2",
     "magic-string": "^0.30.21",
diff --git a/packages/test/tsconfig.json b/packages/test/tsconfig.json
deleted file mode 100644
index 62406593a8..0000000000
--- a/packages/test/tsconfig.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "extends": "../../tsconfig.json",
-  "compilerOptions": {
-    "experimentalDecorators": true
-  },
-  "files": [],
-  "include": [],
-  "exclude": ["**/*"]
-}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0d97ae07f5..b78880e670 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -111,6 +111,9 @@ catalogs:
     consola:
       specifier: ^3.4.2
       version: 3.4.2
+    cross-env:
+      specifier: ^10.1.0
+      version: 10.1.0
     cross-spawn:
       specifier: ^7.0.5
       version: 7.0.6
@@ -507,6 +510,9 @@ importers:
       '@vitejs/devtools':
         specifier: ^0.1.15
         version: 0.1.15(@pnpm/logger@1001.0.1)(typescript@6.0.2)(vite@packages+core)
+      cross-env:
+        specifier: 'catalog:'
+        version: 10.1.0
       es-module-lexer:
         specifier: ^1.7.0
         version: 1.7.0
@@ -705,6 +711,9 @@ importers:
       convert-source-map:
         specifier: ^2.0.0
         version: 2.0.0
+      cross-env:
+        specifier: 'catalog:'
+        version: 10.1.0
       estree-walker:
         specifier: ^3.0.3
         version: 3.0.3
@@ -2163,6 +2172,9 @@ packages:
   '@emnapi/wasi-threads@1.2.1':
     resolution: {integrity: sha512-uTII7OYF+/Mes/MrcIOYp5yOtSMLBWSIoLPpcgwipoiKbli6k322tcoFsxoIIxPDqW01SQGAgko4EzZi2BNv2w==}
 
+  '@epic-web/invariant@1.0.0':
+    resolution: {integrity: sha512-lrTPqgvfFQtR/eY/qkIzp98OGdNJu0m5ji3q/nJI8v3SXkRKEnWiOxMmbvcSoAIzv/cGiuvRy57k4suKQSAdwA==}
+
   '@esbuild/aix-ppc64@0.27.4':
     resolution: {integrity: sha512-cQPwL2mp2nSmHHJlCyoXgHGhbEPMrEEU5xhkcy3Hs/O7nGZqEpZ2sUtLaL9MORLtDfRvVl2/3PAuEkYZH0Ty8Q==}
     engines: {node: '>=18'}
@@ -6238,6 +6250,11 @@ packages:
     resolution: {integrity: sha512-piICUB6ei4IlTv1+653yq5+KoqfBYmj9bw6LqXoOneTMDXk5nM1qt12mFW1caG3LlJXEKW1Bp0WggEmIfQB34g==}
     engines: {node: '>= 14'}
 
+  cross-env@10.1.0:
+    resolution: {integrity: sha512-GsYosgnACZTADcmEyJctkJIoqAhHjttw7RsFrVoJNXbsWWqaq6Ym+7kZjq6mS45O0jij6vtiReppKQEtqWy6Dw==}
+    engines: {node: '>=20'}
+    hasBin: true
+
   cross-spawn@7.0.6:
     resolution: {integrity: sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==}
     engines: {node: '>= 8'}
@@ -10428,6 +10445,8 @@ snapshots:
     dependencies:
       tslib: 2.8.1
 
+  '@epic-web/invariant@1.0.0': {}
+
   '@esbuild/aix-ppc64@0.27.4':
     optional: true
 
@@ -13942,6 +13961,11 @@ snapshots:
       crc-32: 1.2.2
       readable-stream: 4.7.0
 
+  cross-env@10.1.0:
+    dependencies:
+      '@epic-web/invariant': 1.0.0
+      cross-spawn: 7.0.6
+
   cross-spawn@7.0.6:
     dependencies:
       path-key: 3.1.1
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 1e20b53d20..63a313fa94 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -56,6 +56,7 @@ catalog:
   change-case: ^5.4.4
   connect: ^3.7.0
   consola: ^3.4.2
+  cross-env: ^10.1.0
   cross-spawn: ^7.0.5
   debug: ^4.4.3
   dedent: ^1.5.3
diff --git a/tsconfig.json b/tsconfig.json
index 7be7b1a51b..bd0060afe7 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -13,7 +13,8 @@
     "strict": true,
     "target": "esnext",
     "types": ["node"],
-    "verbatimModuleSyntax": true
+    "verbatimModuleSyntax": true,
+    "experimentalDecorators": true
   },
   "exclude": [
     "ecosystem-ci",