diff --git a/src/lib/calculateCollision/calculateCollision.test.js b/src/lib/calculateCollision/calculateCollision.test.js
index e6d5748..c2581cf 100644
--- a/src/lib/calculateCollision/calculateCollision.test.js
+++ b/src/lib/calculateCollision/calculateCollision.test.js
@@ -1,4 +1,3 @@
-import { describe, expect, it } from 'vitest';
 import { calculateCollision } from './calculateCollision';
 
 describe('calculateCollision', () => {
diff --git a/vitest.config.js b/vitest.config.js
index d7d6032..f63332c 100644
--- a/vitest.config.js
+++ b/vitest.config.js
@@ -4,5 +4,6 @@ export default defineConfig({
   test: {
     environment: 'jsdom',
     include: ['src/**/*.test.js'],
+    globals: true,
   },
 });