diff --git a/package.json b/package.json
index f1f0af2..3ca3ad5 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "mocha": "xvfb-maybe electron-mocha --reporter spec && mocha --reporter spec",
     "test": "yarn lint && yarn mocha",
     "lint": "yarn prettier:check",
-    "prettier": "prettier \"src/**/*.ts\" \"test/**/*.ts\" \"test/**/*.js\"",
+    "prettier": "prettier \"src/**/*.ts\" \"test/**/*.js\"",
     "prettier:check": "yarn prettier --check",
     "prettier:write": "yarn prettier --write",
     "prepare": "tsc"
diff --git a/test/index.test-d.ts b/test/index.test-d.ts
deleted file mode 100644
index 6646534..0000000
--- a/test/index.test-d.ts
+++ /dev/null
@@ -1,42 +0,0 @@
-import * as asar from '..';
-import * as fs from 'fs';
-import * as crypto from 'crypto';
-import { expectType } from 'tsd';
-
-await asar.createPackage('bin', 'tmp/foo.asar');
-await asar.createPackageWithOptions('bin', 'tmp/foo.asar', {
-  dot: true,
-  globOptions: {
-    debug: true,
-  },
-  transform: (filePath: string) => {
-    if (process.env.TRANSFORM_ASAR) {
-      return crypto
-        .createCipheriv('aes-256-cbc', crypto.randomBytes(32), crypto.randomBytes(16))
-        .setAutoPadding(true)
-        .setEncoding('base64');
-    }
-  },
-});
-await asar.createPackageFromFiles('bin', 'tmp/foo.asar', ['bin/asar.js']);
-const stat = fs.statSync('bin/asar.js');
-await asar.createPackageFromFiles('bin', 'tmp/foo.asar', ['bin/asar.js'], {
-  'bin/asar.js': {
-    type: 'file',
-    stat,
-  },
-});
-
-expectType<asar.Metadata>(asar.statFile('tmp/foo.asar', 'bin/asar.js'));
-expectType<asar.Metadata>(asar.statFile('tmp/foo.asar', 'bin/asar.js', false));
-
-expectType<string[]>(asar.listPackage('tmp/foo.asar'));
-expectType<string[]>(asar.listPackage('tmp/foo.asar', { isPack: true }));
-
-expectType<Buffer>(asar.extractFile('tmp/foo.asar', 'bin/asar.js'));
-
-asar.extractAll('tmp/foo.asar', 'tmp');
-
-expectType<boolean>(asar.uncache('tmp/foo.asar'));
-
-asar.uncacheAll();