diff --git a/tests/javascripts/support/teardown.js b/tests/javascripts/support/teardown.js
index c7d00bf8b..a4aa757e0 100644
--- a/tests/javascripts/support/teardown.js
+++ b/tests/javascripts/support/teardown.js
@@ -2,3 +2,5 @@ window.jQuery = null;
 $ = null;
 
 delete window.GOVUK;
+
+jest.restoreAllMocks();