diff --git a/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.vue b/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.vue
index b5eaaf054e7..0e445a29de4 100644
--- a/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.vue
+++ b/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.vue
@@ -114,6 +114,8 @@ export default {
   },
   beforeDestroy() {
     eventHub.$off('mr.discussion.updated', this.checkStatus);
+    this.pollingInterval.destroy();
+    this.deploymentsInterval.destroy();
   },
   methods: {
     createService(store) {
diff --git a/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js b/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js
index 6342ea00436..6ac7138743b 100644
--- a/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js
+++ b/spec/javascripts/vue_mr_widget/mr_widget_options_spec.js
@@ -27,6 +27,10 @@ describe('mrWidgetOptions', () => {
     });
   });
 
+  afterEach(() => {
+    vm.$destroy();
+  });
+
   describe('data', () => {
     it('should instantiate Store and Service', () => {
       expect(vm.mr).toBeDefined();