From 4bd6893f36d8d2309694555fb5178950103399ab Mon Sep 17 00:00:00 2001
From: Corey Robertson <corey.robertson@elastic.co>
Date: Wed, 15 Apr 2020 11:13:28 -0400
Subject: [PATCH] Fixes Keyboard Shortcuts help extension (#63583)

---
 x-pack/legacy/plugins/canvas/public/application.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/x-pack/legacy/plugins/canvas/public/application.tsx b/x-pack/legacy/plugins/canvas/public/application.tsx
index 79b3918fef99b..f75b3b427c41b 100644
--- a/x-pack/legacy/plugins/canvas/public/application.tsx
+++ b/x-pack/legacy/plugins/canvas/public/application.tsx
@@ -104,8 +104,9 @@ export const initializeCanvas = async (
         href: getDocumentationLinks().canvas,
       },
     ],
-    content: domNode => () => {
+    content: domNode => {
       ReactDOM.render(<HelpMenu />, domNode);
+      return () => ReactDOM.unmountComponentAtNode(domNode);
     },
   });