diff --git a/.vscode-test.mjs b/.vscode-test.mjs
deleted file mode 100644
index b62ba25..0000000
--- a/.vscode-test.mjs
+++ /dev/null
@@ -1,5 +0,0 @@
-import { defineConfig } from '@vscode/test-cli';
-
-export default defineConfig({
-	files: 'out/test/**/*.test.js',
-});
diff --git a/package.json b/package.json
index 5c90179..dc89ddf 100644
--- a/package.json
+++ b/package.json
@@ -516,8 +516,6 @@
     "@types/vscode": "^1.93.0",
     "@typescript-eslint/eslint-plugin": "^8.3.0",
     "@typescript-eslint/parser": "^8.3.0",
-    "@vscode/test-cli": "^0.0.10",
-    "@vscode/test-electron": "^2.4.1",
     "eslint": "^9.9.1",
     "ts-loader": "^9.5.1",
     "typescript": "^5.5.4",
diff --git a/src/test/extension.test.ts b/src/test/extension.test.ts
deleted file mode 100644
index 4ca0ab4..0000000
--- a/src/test/extension.test.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import * as assert from 'assert';
-
-// You can import and use all API from the 'vscode' module
-// as well as import your extension to test it
-import * as vscode from 'vscode';
-// import * as myExtension from '../../extension';
-
-suite('Extension Test Suite', () => {
-	vscode.window.showInformationMessage('Start all tests.');
-
-	test('Sample test', () => {
-		assert.strictEqual(-1, [1, 2, 3].indexOf(5));
-		assert.strictEqual(-1, [1, 2, 3].indexOf(0));
-	});
-});