diff --git a/lib/OpenLayers/Strategy/Cluster.js b/lib/OpenLayers/Strategy/Cluster.js
index 455ff29ef9..a97eed1470 100644
--- a/lib/OpenLayers/Strategy/Cluster.js
+++ b/lib/OpenLayers/Strategy/Cluster.js
@@ -159,7 +159,7 @@ OpenLayers.Strategy.Cluster = OpenLayers.Class(OpenLayers.Strategy, {
                     feature = this.features[i];
                     if(feature.geometry) {
                         clustered = false;
-                        for(var j=0; j<clusters.length; ++j) {
+                        for(var j=clusters.length-1; j>=0; --j) {
                             cluster = clusters[j];
                             if(this.shouldCluster(cluster, feature)) {
                                 this.addToCluster(cluster, feature);
@@ -172,7 +172,7 @@ OpenLayers.Strategy.Cluster = OpenLayers.Class(OpenLayers.Strategy, {
                         }
                     }
                 }
-                this.layer.destroyFeatures();
+                this.layer.removeAllFeatures();
                 if(clusters.length > 0) {
                     if(this.threshold > 1) {
                         var clone = clusters.slice();