From 72c3c6d0802919eb4d24a4ef19cc465e9fa8ff1b Mon Sep 17 00:00:00 2001
From: Jukka Kurkela <jukka.kurkela@gmail.com>
Date: Fri, 14 Feb 2020 01:42:25 +0200
Subject: [PATCH] Fix memory leak (#7097)

---
 src/core/core.animator.js   | 8 ++++++++
 src/core/core.controller.js | 1 +
 2 files changed, 9 insertions(+)

diff --git a/src/core/core.animator.js b/src/core/core.animator.js
index 28565629e45..1da3830391c 100644
--- a/src/core/core.animator.js
+++ b/src/core/core.animator.js
@@ -210,6 +210,14 @@ class Animator {
 		anims.items = [];
 		this._notify(chart, anims, Date.now(), 'complete');
 	}
+
+	/**
+	 * Remove chart from Animator
+	 * @param {Chart} chart
+	 */
+	remove(chart) {
+		return this._charts.delete(chart);
+	}
 }
 
 const instance = new Animator();
diff --git a/src/core/core.controller.js b/src/core/core.controller.js
index add55549b53..aca27dc759c 100644
--- a/src/core/core.controller.js
+++ b/src/core/core.controller.js
@@ -893,6 +893,7 @@ class Chart {
 		let i, ilen;
 
 		me.stop();
+		Animator.remove(me);
 
 		// dataset controllers need to cleanup associated data
 		for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {