diff --git a/lib/collection.js b/lib/collection.js
index 3e7e0fc..d3149f4 100644
--- a/lib/collection.js
+++ b/lib/collection.js
@@ -44,7 +44,7 @@ Collection.prototype.update = function(id, stats, callback)
 	}
 	else
 	{
-		this._blockchain.clean(this.getBestBlockFromItems());
+		// this._blockchain.clean(this.getBestBlockFromItems());
 
 		var block = this._blockchain.add(stats.block, id, node.trusted);
 
@@ -75,7 +75,7 @@ Collection.prototype.addBlock = function(id, stats, callback)
 	}
 	else
 	{
-		this._blockchain.clean(this.getBestBlockFromItems());
+		// this._blockchain.clean(this.getBestBlockFromItems());
 
 		var block = this._blockchain.add(stats, id, node.trusted);
 
@@ -142,7 +142,7 @@ Collection.prototype.addHistory = function(id, blocks, callback)
 	{
 		blocks = blocks.reverse();
 
-		this._blockchain.clean(this.getBestBlockFromItems());
+		// this._blockchain.clean(this.getBestBlockFromItems());
 
 		for (var i = 0; i <= blocks.length - 1; i++)
 		{
diff --git a/lib/history.js b/lib/history.js
index 43faf0b..5599f6e 100644
--- a/lib/history.js
+++ b/lib/history.js
@@ -639,7 +639,7 @@ History.prototype.requiresUpdate = function()
 
 History.prototype.getHistoryRequestRange = function()
 {
-	if( _.isEmpty(this._items) )
+	if( this._items.length < 5 )
 		return false;
 
 	var blocks = _.pluck( this._items, 'height' );