diff --git a/tests/performances/ipc_connection.cr b/tests/performances/ipc_connection.cr
index 0056a1e..68b0e65 100644
--- a/tests/performances/ipc_connection.cr
+++ b/tests/performances/ipc_connection.cr
@@ -5,19 +5,14 @@ require "../test-ws"
 ws_uri = "ws://localhost:1234/pong.JSON"
 
 message = IPC::Message.from_json(%({ "mtype" : 3, "utype" : 30, "payload" : "coucou" }))
-pong = IPC::Connection.new "pong"
 
 Benchmark.ips do |bm|
 	bm.report("connection") do
-		c = IPC::Connection.new "pong"
+		c = IPC::Client.new "pong"
+		c.close
+	end
+
+	bm.report("connection through websocket") do
+		tws = TestWS.new ws_uri
 	end
 end
-
-#puts "sleeping 5 seconds"
-#sleep 5
-#
-#Benchmark.ips do |bm|
-#	bm.report("connection through websocket") do
-#		tws = TestWS.new ws_uri
-#	end
-#end