diff --git a/IDE_remote/SocketIDE/luatool/telnet_srv.lua b/IDE_remote/SocketIDE/luatool/telnet_srv.lua
deleted file mode 100644
index 32e2cf0..0000000
--- a/IDE_remote/SocketIDE/luatool/telnet_srv.lua
+++ /dev/null
@@ -1,42 +0,0 @@
--- a simple telnet server
-
--- restart server if needed
-if telnet_srv ~= nil then
-    telnet_srv:close()
-end
-telnet_srv = net.createServer(net.TCP, 180)
-
-telnet_srv:listen(23, function(socket)
-    local fifo = {}
-    local fifo_drained = true
-
-    local function sender(c)
-        if #fifo > 0 then
-            c:send(table.remove(fifo, 1))
-        else
-            fifo_drained = true
-        end
-    end
-
-    local function s_output(str)
-        table.insert(fifo, str)
-        if socket ~= nil and fifo_drained then
-            fifo_drained = false
-            sender(socket)
-        end
-    end
-
-    node.output(s_output, 0)   -- re-direct output to function s_ouput.
-
-    socket:on("receive", function(c, l)
-        node.input(l)           -- works like pcall(loadstring(l)) but support multiple separate line
-    end)
-    socket:on("disconnection", function(c)
-        node.output(nil)        -- un-regist the redirect output function, output goes to serial
-    end)
-    socket:on("sent", sender)
-
-    print("Welcome to NodeMCU world.")
-end)
-
-print("Telnet server running...")