diff --git a/kolibri/plugins/coach/assets/src/views/plan/CreateExamPage/index.vue b/kolibri/plugins/coach/assets/src/views/plan/CreateExamPage/index.vue
index 49dcf6fa92a..c0ccb6293d3 100644
--- a/kolibri/plugins/coach/assets/src/views/plan/CreateExamPage/index.vue
+++ b/kolibri/plugins/coach/assets/src/views/plan/CreateExamPage/index.vue
@@ -300,6 +300,9 @@
       }
       this.quizInitialized = true;
     },
+    destroy() {
+      window.removeEventListener('beforeunload', this.onBeforeUnload)
+    },
     methods: {
       beforeUnload(e) {
         if (this.quizHasChanged) {