diff --git a/packages/astro/test/lit-element.test.js b/packages/astro/test/lit-element.test.js
index 8c333bca2..c761239e9 100644
--- a/packages/astro/test/lit-element.test.js
+++ b/packages/astro/test/lit-element.test.js
@@ -74,12 +74,3 @@ describe('LitElement test', function () {
 		expect($('my-element').html()).to.include(`<div>Testing...</div>`);
 	});
 });
-
-after(async () => {
-	// The Lit renderer adds browser globals that interfere with other tests, so remove them now.
-	const globals = Object.keys(globalThis.window || {});
-	globals.splice(globals.indexOf('global'), 1);
-	for (let name of globals) {
-		delete globalThis[name];
-	}
-});