diff --git a/lua/blink-cmp-ghostty.lua b/lua/blink-cmp-ghostty.lua
index 9eb94ce..17f659d 100644
--- a/lua/blink-cmp-ghostty.lua
+++ b/lua/blink-cmp-ghostty.lua
@@ -85,7 +85,18 @@ function M.bash_completion_path()
 end
 
 ---@return table<string, string[]>
-local function parse_enums(content)
+local function parse_enums()
+  local path = M.bash_completion_path()
+  if not path then
+    return {}
+  end
+  local fd = io.open(path, 'r')
+  if not fd then
+    return {}
+  end
+  local content = fd:read('*a')
+  fd:close()
+
   local enums = {}
   for key, values in content:gmatch('%-%-([a-z][a-z0-9-]*)%) [^\n]* compgen %-W "([^"]+)"') do
     local vals = {}
@@ -151,56 +162,17 @@ function M:get_completions(ctx, callback)
   pending[#pending + 1] = { ctx = ctx, callback = callback }
   if not loading then
     loading = true
-    local config_out, enums_content
-    local remaining = 2
-
-    local function on_all_done()
-      remaining = remaining - 1
-      if remaining > 0 then
-        return
-      end
+    vim.system({ 'ghostty', '+show-config', '--docs' }, {}, function(result)
       vim.schedule(function()
-        keys_cache = parse_keys(config_out)
-        enums_cache = parse_enums(enums_content)
+        keys_cache = parse_keys(result.stdout or '')
+        enums_cache = parse_enums()
         loading = false
         for _, p in ipairs(pending) do
           respond(p.ctx, p.callback)
         end
         pending = {}
       end)
-    end
-
-    vim.system({ 'ghostty', '+show-config', '--docs' }, {}, function(result)
-      config_out = result.stdout or ''
-      on_all_done()
     end)
-
-    local path = M.bash_completion_path()
-    if not path then
-      enums_content = ''
-      on_all_done()
-    else
-      vim.uv.fs_open(path, 'r', 438, function(err, fd)
-        if err or not fd then
-          enums_content = ''
-          on_all_done()
-          return
-        end
-        vim.uv.fs_fstat(fd, function(err2, stat)
-          if err2 or not stat then
-            vim.uv.fs_close(fd)
-            enums_content = ''
-            on_all_done()
-            return
-          end
-          vim.uv.fs_read(fd, stat.size, 0, function(_, data)
-            vim.uv.fs_close(fd)
-            enums_content = data or ''
-            on_all_done()
-          end)
-        end)
-      end)
-    end
   end
   return function() end
 end
diff --git a/spec/ghostty_spec.lua b/spec/ghostty_spec.lua
index 5ef7a2a..d0ad426 100644
--- a/spec/ghostty_spec.lua
+++ b/spec/ghostty_spec.lua
@@ -55,15 +55,10 @@ local function mock_system()
   end
 end
 
-local MOCK_FD = 99
-
 local function mock_enums()
   local original_exepath = vim.fn.exepath
   local original_realpath = vim.uv.fs_realpath
-  local original_fs_open = vim.uv.fs_open
-  local original_fs_fstat = vim.uv.fs_fstat
-  local original_fs_read = vim.uv.fs_read
-  local original_fs_close = vim.uv.fs_close
+  local original_open = io.open
 
   vim.fn.exepath = function(name)
     if name == 'ghostty' then
@@ -77,41 +72,24 @@ local function mock_enums()
     end
     return original_realpath(path)
   end
-  vim.uv.fs_open = function(path, flags, mode, callback)
+  -- selene: allow(incorrect_standard_library_use)
+  io.open = function(path, mode)
     if path:match('ghostty%.bash$') then
-      callback(nil, MOCK_FD)
-      return
+      return {
+        read = function()
+          return BASH_COMPLETION
+        end,
+        close = function() end,
+      }
     end
-    return original_fs_open(path, flags, mode, callback)
-  end
-  vim.uv.fs_fstat = function(fd, callback)
-    if fd == MOCK_FD then
-      callback(nil, { size = #BASH_COMPLETION })
-      return
-    end
-    return original_fs_fstat(fd, callback)
-  end
-  vim.uv.fs_read = function(fd, size, offset, callback)
-    if fd == MOCK_FD then
-      callback(nil, BASH_COMPLETION)
-      return
-    end
-    return original_fs_read(fd, size, offset, callback)
-  end
-  vim.uv.fs_close = function(fd, ...)
-    if fd == MOCK_FD then
-      return true
-    end
-    return original_fs_close(fd, ...)
+    return original_open(path, mode)
   end
 
   return function()
     vim.fn.exepath = original_exepath
     vim.uv.fs_realpath = original_realpath
-    vim.uv.fs_open = original_fs_open
-    vim.uv.fs_fstat = original_fs_fstat
-    vim.uv.fs_read = original_fs_read
-    vim.uv.fs_close = original_fs_close
+    -- selene: allow(incorrect_standard_library_use)
+    io.open = original_open
   end
 end