diff --git a/lua/lspconfig/util.lua b/lua/lspconfig/util.lua
index e2bba2e19c..e58d0ffb87 100644
--- a/lua/lspconfig/util.lua
+++ b/lua/lspconfig/util.lua
@@ -208,7 +208,7 @@ function M.insert_package_json(config_files, field, fname)
   return config_files
 end
 
-function M.get_active_clients_list_by_ft(filetype)
+local function get_active_clients_list_by_ft(filetype)
   local clients = M.get_lsp_clients()
   local clients_list = {}
   for _, client in pairs(clients) do
@@ -225,7 +225,7 @@ end
 
 function M.get_other_matching_providers(filetype)
   local configs = require 'lspconfig.configs'
-  local active_clients_list = M.get_active_clients_list_by_ft(filetype)
+  local active_clients_list = get_active_clients_list_by_ft(filetype)
   local other_matching_configs = {}
   for _, config in pairs(configs) do
     if not vim.tbl_contains(active_clients_list, config.name) then