From 4d51105c44426dda01a1d0d5d756e757a3919fe1 Mon Sep 17 00:00:00 2001
From: danzel <danzel@localhost.geek.nz>
Date: Wed, 12 Sep 2012 17:40:43 +1200
Subject: [PATCH] Don't barf if we are asked to remove a layer that we don't
 have

---
 src/MarkerClusterGroup.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/MarkerClusterGroup.js b/src/MarkerClusterGroup.js
index fde1ab3d2..e7fea2796 100644
--- a/src/MarkerClusterGroup.js
+++ b/src/MarkerClusterGroup.js
@@ -94,6 +94,10 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 	},
 
 	removeLayer: function (layer) {
+		if (!layer.__parent) {
+			return this;
+		}
+
 		if (this._unspiderfy) {
 			this._unspiderfy();
 			this._unspiderfyLayer(layer);