diff --git a/.github/ci/run_sanitizer.sh b/.github/ci/run_sanitizer.sh
index 09821731d0..f2fadb9c5c 100644
--- a/.github/ci/run_sanitizer.sh
+++ b/.github/ci/run_sanitizer.sh
@@ -15,7 +15,7 @@ if git diff --pickaxe-all -U0 -G "${SEARCH_PATTERN}" "${REF_BRANCH}" "${PR_BRANC
   exit 1
 fi
 
-SEARCH_PATTERN='(util\.path\.dirname|util\.path\.sanitize|util\.path\.exists|util\.path\.is_file)'
+SEARCH_PATTERN='(util\.path\.dirname|util\.path\.sanitize|util\.path\.exists|util\.path\.is_file|util\.path\.is_dir)'
 
 if git diff --pickaxe-all -U0 -G "${SEARCH_PATTERN}" "${REF_BRANCH}" "${PR_BRANCH}" -- '*.lua' | grep -Ev '\.lua$' | grep -E "^\+.*${SEARCH_PATTERN}" ; then
   echo
diff --git a/lua/lspconfig/configs/vdmj.lua b/lua/lspconfig/configs/vdmj.lua
index d7abe4c940..a9621a74fe 100644
--- a/lua/lspconfig/configs/vdmj.lua
+++ b/lua/lspconfig/configs/vdmj.lua
@@ -34,7 +34,7 @@ end
 -- Special case, as vdmj store particular settings under root_dir/.vscode
 local function find_vscode_ancestor(startpath)
   return util.search_ancestors(startpath, function(path)
-    if util.path.is_dir(util.path.join(path, '.vscode')) then
+    if vim.fn.isdirectory(util.path.join(path, '.vscode')) == 1 then
       return path
     end
   end)
diff --git a/lua/lspconfig/util.lua b/lua/lspconfig/util.lua
index 241c72238b..f8ffe57e41 100644
--- a/lua/lspconfig/util.lua
+++ b/lua/lspconfig/util.lua
@@ -102,13 +102,6 @@ M.path = (function()
     return path:gsub('([%[%]%?%*])', '\\%1')
   end
 
-  --- @param filename string
-  --- @return boolean
-  local function is_dir(filename)
-    local stat = uv.fs_stat(filename)
-    return stat and stat.type == 'directory' or false
-  end
-
   --- @param path string
   --- @return boolean
   local function is_fs_root(path)
@@ -188,7 +181,6 @@ M.path = (function()
 
   return {
     escape_wildcards = escape_wildcards,
-    is_dir = is_dir,
     is_absolute = is_absolute,
     join = path_join,
     traverse_parents = traverse_parents,
@@ -249,7 +241,7 @@ function M.find_git_ancestor(startpath)
   return M.search_ancestors(startpath, function(path)
     -- Support git directories and git files (worktrees)
     local gitpath = M.path.join(path, '.git')
-    if M.path.is_dir(gitpath) or (uv.fs_stat(gitpath) or {}).type == 'file' then
+    if vim.fn.isdirectory(gitpath) == 1 or (uv.fs_stat(gitpath) or {}).type == 'file' then
       return path
     end
   end)
@@ -258,7 +250,7 @@ end
 function M.find_mercurial_ancestor(startpath)
   return M.search_ancestors(startpath, function(path)
     -- Support Mercurial directories
-    if M.path.is_dir(M.path.join(path, '.hg')) then
+    if vim.fn.isdirectory(M.path.join(path, '.hg')) == 1 then
       return path
     end
   end)
@@ -266,7 +258,7 @@ end
 
 function M.find_node_modules_ancestor(startpath)
   return M.search_ancestors(startpath, function(path)
-    if M.path.is_dir(M.path.join(path, 'node_modules')) then
+    if vim.fn.isdirectory(M.path.join(path, 'node_modules')) == 1 then
       return path
     end
   end)
@@ -385,6 +377,13 @@ end
 
 --- Deprecated functions
 
+--- @deprecated use `vim.fn.isdirectory(path) == 1` instead
+--- @param filename string
+--- @return boolean
+function M.path.is_dir(filename)
+  return vim.fn.isdirectory(filename) == 1
+end
+
 --- @deprecated use `(vim.loop.fs_stat(path) or {}).type == 'file'` instead
 --- @param path string
 --- @return boolean
diff --git a/test/lspconfig_spec.lua b/test/lspconfig_spec.lua
index 8f02960f12..256faba203 100644
--- a/test/lspconfig_spec.lua
+++ b/test/lspconfig_spec.lua
@@ -25,30 +25,6 @@ describe('lspconfig', function()
         end)
       end)
 
-      describe('is_dir', function()
-        it('is directory', function()
-          local lspconfig = require 'lspconfig'
-          local cwd = vim.fn.getcwd()
-          assert.is_true(lspconfig.util.path.is_dir(cwd))
-        end)
-
-        it('is not present directory', function()
-          local lspconfig = require 'lspconfig'
-          local not_exist_dir = vim.fn.getcwd() .. '/not/exists'
-          eq(true, not lspconfig.util.path.is_dir(not_exist_dir))
-        end)
-
-        it('is file', function()
-          local lspconfig = require 'lspconfig'
-
-          -- change the working directory to test directory
-          vim.api.nvim_command 'cd ./test/test_dir/'
-          local file = vim.fn.getcwd() .. '/root_marker.txt'
-
-          eq(true, not lspconfig.util.path.is_dir(file))
-        end)
-      end)
-
       describe('is_absolute', function()
         it('is absolute', function()
           local lspconfig = require 'lspconfig'