diff --git a/update_refillmachine.lua b/update_refillmachine.lua
deleted file mode 100644
index ff9cf20..0000000
--- a/update_refillmachine.lua
+++ /dev/null
@@ -1,81 +0,0 @@
-local URL_MACHINE_HTTPS = "https://cloud.fse-media.group/d/API/TicketMachine/refillmachine.lua?sign=msZNBgD27qgGTwdeHlUxB25Q58386ZjDqorYurXiKqI=:0"
-local URL_MACHINE_HTTP = "http://cloud.fse-media.group/d/API/TicketMachine/refillmachine.lua?sign=msZNBgD27qgGTwdeHlUxB25Q58386ZjDqorYurXiKqI=:0"
-
-local function writeFile(path, content, binary)
-  local mode = binary and "wb" or "w"
-  local f = fs.open(path, mode)
-  if not f then return false end
-  f.write(content)
-  f.close()
-  return true
-end
-
-local function atomicWrite(path, content, binary)
-  local tmp = path .. ".new"
-  if fs.exists(tmp) then fs.delete(tmp) end
-  if not writeFile(tmp, content, binary) then return false end
-  if fs.exists(path) then fs.delete(path) end
-  fs.move(tmp, path)
-  return true
-end
-
-local function httpGet(url)
-  if not http then return false, "HTTP API disabled" end
-  local okReq, err = pcall(function()
-    http.request({ url = url, method = "GET" })
-  end)
-  if not okReq then return false, tostring(err) end
-
-  while true do
-    local ev, p1, p2, p3 = os.pullEvent()
-    if ev == "http_success" and p1 == url then
-      local res = p2
-      if type(res) == "table" and type(res.readAll) == "function" then
-        local data = res.readAll()
-        res.close()
-        return true, data
-      end
-      return false, "invalid http response"
-    end
-    if ev == "http_failure" and p1 == url then
-      local errMsg = p2
-      local res = p3
-      if type(p2) == "table" and type(p2.readAll) == "function" then
-        res = p2
-        errMsg = p3
-      end
-      if type(res) == "table" and type(res.readAll) == "function" then
-        local data = res.readAll()
-        res.close()
-        return false, data
-      end
-      return false, tostring(errMsg or "http_failure")
-    end
-  end
-end
-
-term.clear()
-term.setCursorPos(1, 1)
-print("Refill Machine Updater")
-print("")
-print("Downloading refill machine program...")
-
-local ok, code = httpGet(URL_MACHINE_HTTPS)
-if not ok then
-  ok, code = httpGet(URL_MACHINE_HTTP)
-end
-if not ok or type(code) ~= "string" or #code == 0 then
-  print("Download failed: " .. tostring(code or ""))
-  return
-end
-
-if not atomicWrite("startup.lua", code, false) then
-  print("Write failed: startup.lua")
-  return
-end
-atomicWrite("startup", code, false)
-atomicWrite("refillmachine.lua", code, false)
-
-print("")
-print("Done.")
-print("Reboot the computer to apply the update.")