diff --git a/HISTORY.md b/HISTORY.md
index cb29fd78..7d140bd0 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -8,7 +8,7 @@ Dev version
 * snax service add change SERVICE_PATH and add it to package.path
 * skynet.redirect support string address
 * add skynet.harbor.queryname to query globalname
-* add cluster.proxy and cluster.ncall
+* add cluster.proxy 
 
 v0.5.2 (2014-8-11)
 -----------
diff --git a/examples/cluster2.lua b/examples/cluster2.lua
index d45605f8..a49aa718 100644
--- a/examples/cluster2.lua
+++ b/examples/cluster2.lua
@@ -4,6 +4,5 @@ local cluster = require "cluster"
 skynet.start(function()
 	local proxy = cluster.proxy("db", ".simpledb")
 	print(skynet.call(proxy, "lua", "GET", "a"))
-	print(cluster.ncall("db.simpledb","GET", "a"))
 	print(cluster.call("db", ".simpledb", "GET", "a"))
 end)
diff --git a/lualib/cluster.lua b/lualib/cluster.lua
index ec3f6abf..ddb00d13 100644
--- a/lualib/cluster.lua
+++ b/lualib/cluster.lua
@@ -24,19 +24,6 @@ function cluster.proxy(node, name)
 	return skynet.call(clusterd, "lua", "proxy", node, name)
 end
 
-local namecache = {}
-
-function cluster.ncall(name, ...)
-	local s = namecache[name]
-	if not s then
-		local node , lname = name:match "(.-)(%..+)"
-		assert(node and lname)
-		s = cluster.proxy(node, lname)
-		namecache[name] = assert(s)
-	end
-	return skynet.call(s, "lua", ...)
-end
-
 skynet.init(function()
 	clusterd = skynet.uniqueservice("clusterd")
 end)