diff --git a/apps/oxlint/.gitignore b/apps/oxlint/.gitignore
index 7d6c1bcaaad85..3db66a0047980 100644
--- a/apps/oxlint/.gitignore
+++ b/apps/oxlint/.gitignore
@@ -1,4 +1,3 @@
 /node_modules/
 /dist/
-/debug/
 *.node
diff --git a/apps/oxlint/package.json b/apps/oxlint/package.json
index 02b408c925d3e..65c3512a23a94 100644
--- a/apps/oxlint/package.json
+++ b/apps/oxlint/package.json
@@ -8,8 +8,8 @@
   "license": "MIT",
   "scripts": {
     "build": "pnpm run build-napi-release && pnpm run build-js",
-    "build-dev": "pnpm run build-napi && pnpm run build-js",
-    "build-test": "pnpm run build-napi-test && pnpm run build-js",
+    "build-dev": "pnpm run build-napi && cross-env DEBUG=true pnpm run build-js",
+    "build-test": "pnpm run build-napi-test && cross-env DEBUG=true pnpm run build-js",
     "build-napi": "napi build --esm --platform --js ./bindings.js --dts ./bindings.d.ts --output-dir src-js --no-dts-cache",
     "build-napi-test": "pnpm run build-napi --features force_test_reporter",
     "build-napi-release": "pnpm run build-napi --release --features allocator",
@@ -24,6 +24,7 @@
     "@types/estree": "^1.0.8",
     "@typescript-eslint/scope-manager": "8.46.2",
     "@typescript-eslint/typescript-estree": "^8.47.0",
+    "cross-env": "catalog:",
     "eslint": "^9.36.0",
     "esquery": "^1.6.0",
     "execa": "^9.6.0",
@@ -49,6 +50,6 @@
     ]
   },
   "imports": {
-    "#oxlint": "./debug/index.js"
+    "#oxlint": "./dist/index.js"
   }
 }
diff --git a/apps/oxlint/scripts/build.ts b/apps/oxlint/scripts/build.ts
index 2e423bfd4acc5..3dd3dab68754b 100755
--- a/apps/oxlint/scripts/build.ts
+++ b/apps/oxlint/scripts/build.ts
@@ -4,8 +4,7 @@ import { join } from 'node:path';
 
 const oxlintDirPath = join(import.meta.dirname, '..'),
   srcDirPath = join(oxlintDirPath, 'src-js'),
-  distDirPath = join(oxlintDirPath, 'dist'),
-  debugDirPath = join(oxlintDirPath, 'debug');
+  distDirPath = join(oxlintDirPath, 'dist');
 
 // Modify `bindings.js` to use correct package names
 console.log('Modifying bindings.js...');
@@ -24,7 +23,6 @@ execSync('pnpm tsdown', { stdio: 'inherit', cwd: oxlintDirPath });
 // Delete `cli.d.ts`
 console.log('Deleting cli.d.ts...');
 rmSync(join(distDirPath, 'cli.d.ts'));
-rmSync(join(debugDirPath, 'cli.d.ts'));
 
 // Copy native `.node` files from `src-js`
 console.log('Copying `.node` files...');
@@ -32,7 +30,6 @@ for (const filename of readdirSync(srcDirPath)) {
   if (!filename.endsWith('.node')) continue;
   const srcPath = join(srcDirPath, filename);
   copyFileSync(srcPath, join(distDirPath, filename));
-  copyFileSync(srcPath, join(debugDirPath, filename));
 }
 
 console.log('Build complete!');
diff --git a/apps/oxlint/test/e2e.test.ts b/apps/oxlint/test/e2e.test.ts
index 56c976c0896c2..a74a20cd5d01f 100644
--- a/apps/oxlint/test/e2e.test.ts
+++ b/apps/oxlint/test/e2e.test.ts
@@ -4,7 +4,7 @@ import { PACKAGE_ROOT_PATH, getFixtures, testFixtureWithCommand } from './utils.
 
 import type { Fixture } from './utils.ts';
 
-const CLI_PATH = pathJoin(PACKAGE_ROOT_PATH, 'debug/cli.js');
+const CLI_PATH = pathJoin(PACKAGE_ROOT_PATH, 'dist/cli.js');
 
 // Use current NodeJS executable, rather than `node`, to avoid problems with a Node version manager
 // installed on system resulting in using wrong NodeJS version
diff --git a/apps/oxlint/tsdown.config.ts b/apps/oxlint/tsdown.config.ts
index c7e60add42ceb..79b135f81b699 100644
--- a/apps/oxlint/tsdown.config.ts
+++ b/apps/oxlint/tsdown.config.ts
@@ -3,12 +3,11 @@ import { defineConfig } from 'tsdown';
 
 import type { Plugin } from 'rolldown';
 
-const ASSERTS_PATH = join(import.meta.dirname, 'src-js/utils/asserts.ts');
+// When run with `DEBUG=true pnpm run build-js`, generate a debug build with extra assertions.
+// This is the build used in tests.
+const DEBUG = process.env.DEBUG === 'true' || process.env.DEBUG === '1';
 
-const replaceAssertsPlugin = createReplaceAssertsPlugin();
-const plugins = [replaceAssertsPlugin];
-
-const config = defineConfig({
+export default defineConfig({
   entry: ['src-js/cli.ts', 'src-js/index.ts'],
   format: 'esm',
   platform: 'node',
@@ -34,24 +33,14 @@ const config = defineConfig({
   },
   dts: { resolve: true },
   attw: true,
-  define: { DEBUG: 'false' },
-  plugins,
+  define: { DEBUG: DEBUG ? 'true' : 'false' },
+  plugins: DEBUG ? [] : [createReplaceAssertsPlugin()],
   inputOptions: {
     // For `replaceAssertsPlugin`
     experimental: { nativeMagicString: true },
   },
 });
 
-// Create separate debug build with debug assertions enabled
-const debugConfig = defineConfig({
-  ...config,
-  outDir: 'debug',
-  define: { DEBUG: 'true' },
-  plugins: plugins.filter((plugin) => plugin !== replaceAssertsPlugin),
-});
-
-export default [config, debugConfig];
-
 /**
  * Create a plugin to remove imports of `assert*` functions from `src-js/utils/asserts.ts`,
  * and replace those imports with empty function declarations.
@@ -77,6 +66,8 @@ export default [config, debugConfig];
  * @returns Plugin
  */
 function createReplaceAssertsPlugin(): Plugin {
+  const ASSERTS_PATH = join(import.meta.dirname, 'src-js/utils/asserts.ts');
+
   return {
     name: 'replace-asserts',
     transform: {
diff --git a/editors/vscode/package.json b/editors/vscode/package.json
index de729b892bfe3..2eb1f623ae7b6 100644
--- a/editors/vscode/package.json
+++ b/editors/vscode/package.json
@@ -259,7 +259,7 @@
     "@vscode/test-cli": "^0.0.12",
     "@vscode/test-electron": "^2.4.1",
     "@vscode/vsce": "^3.0.0",
-    "cross-env": "^10.0.0",
+    "cross-env": "catalog:",
     "ovsx": "^0.10.0",
     "rolldown": "1.0.0-beta.51",
     "tinyglobby": "^0.2.15",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 6cb83f3fd365f..51849d378cf0f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -15,6 +15,9 @@ catalogs:
     '@types/node':
       specifier: ^24.0.0
       version: 24.9.1
+    cross-env:
+      specifier: ^10.1.0
+      version: 10.1.0
     publint:
       specifier: 0.3.15
       version: 0.3.15
@@ -104,6 +107,9 @@ importers:
       '@typescript-eslint/typescript-estree':
         specifier: ^8.47.0
         version: 8.47.0(typescript@5.9.3)
+      cross-env:
+        specifier: 'catalog:'
+        version: 10.1.0
       eslint:
         specifier: ^9.36.0
         version: 9.38.0(jiti@2.6.1)
@@ -157,7 +163,7 @@ importers:
         specifier: ^3.0.0
         version: 3.6.2
       cross-env:
-        specifier: ^10.0.0
+        specifier: 'catalog:'
         version: 10.1.0
       ovsx:
         specifier: ^0.10.0
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 3f7de3a076521..6588e16eca58f 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -12,6 +12,7 @@ catalog:
   '@napi-rs/cli': 3.4.1
   '@napi-rs/wasm-runtime': 1.0.7
   '@types/node': ^24.0.0
+  cross-env: ^10.1.0
   publint: 0.3.15
   rolldown: 1.0.0-beta.51
   tsdown: 0.16.6