From 4ca7b8b62f942e27790b1fb371c005f523d34697 Mon Sep 17 00:00:00 2001
From: Riad Benguella <benguella@gmail.com>
Date: Wed, 12 Dec 2018 17:25:29 +0100
Subject: [PATCH] RichText: Fix React warning shown when unmounting a currently
 selected RichText.

---
 packages/editor/src/components/rich-text/index.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/editor/src/components/rich-text/index.js b/packages/editor/src/components/rich-text/index.js
index 0731916d6a1a73..bc814d8ebff9c3 100644
--- a/packages/editor/src/components/rich-text/index.js
+++ b/packages/editor/src/components/rich-text/index.js
@@ -129,6 +129,10 @@ export class RichText extends Component {
 		this.lastHistoryValue = value;
 	}
 
+	componentWillUnmount() {
+		document.removeEventListener( 'selectionchange', this.onSelectionChange );
+	}
+
 	setRef( node ) {
 		this.editableRef = node;
 	}