diff --git a/test/tests/preferences_syncTest.js b/test/tests/preferences_syncTest.js
index 20e0e386aa..3b36c2541e 100644
--- a/test/tests/preferences_syncTest.js
+++ b/test/tests/preferences_syncTest.js
@@ -63,7 +63,6 @@ describe("Sync Preferences", function () {
 				Zotero.alert.restore();
 				getAPIKeyFromCredentialsStub.restore();
 				deleteAPIKey.restore();
-				win.close();
 			});
 
 			it("should set API key and display full controls with correct credentials", function* () {