diff --git a/lua/aerial/config.lua b/lua/aerial/config.lua
index 6a5ff8a..02a3095 100644
--- a/lua/aerial/config.lua
+++ b/lua/aerial/config.lua
@@ -410,7 +410,7 @@ local nerd_icons = {
 local M = {}
 
 M.get_filetypes = function(bufnr)
-  local ft = vim.api.nvim_buf_get_option(bufnr or 0, "filetype")
+  local ft = vim.bo[bufnr or 0].filetype
   return vim.split(ft, "%.")
 end
 
diff --git a/lua/aerial/fold.lua b/lua/aerial/fold.lua
index 67c7bd4..6524d18 100644
--- a/lua/aerial/fold.lua
+++ b/lua/aerial/fold.lua
@@ -164,21 +164,21 @@ M.maybe_set_foldmethod = function(bufnr)
     winids = { vim.api.nvim_get_current_win() }
   end
   for _, winid in ipairs(winids) do
-    local fdm = vim.api.nvim_win_get_option(winid, "foldmethod")
-    local fde = vim.api.nvim_win_get_option(winid, "foldexpr")
+    local fdm = vim.wo[winid].foldmethod
+    local fde = vim.wo[winid].foldexpr
     if
       not util.is_managing_folds(winid)
       and (manage_folds == true or (manage_folds == "auto" and fdm == "manual"))
     then
       vim.api.nvim_win_set_var(winid, prev_fdm, fdm)
       vim.api.nvim_win_set_var(winid, prev_fde, fde)
-      vim.api.nvim_win_set_option(winid, "foldmethod", "expr")
-      vim.api.nvim_win_set_option(winid, "foldexpr", "v:lua.aerial_foldexpr()")
+      vim.wo[winid].foldmethod = "expr"
+      vim.wo[winid].foldexpr = "v:lua.aerial_foldexpr()"
       if config.link_folds_to_tree then
-        local fdl = vim.api.nvim_win_get_option(winid, "foldlevel")
+        local fdl = vim.wo[winid].foldlevel
         require("aerial").tree_set_collapse_level(bufnr, fdl)
       elseif config.link_tree_to_folds then
-        vim.api.nvim_win_set_option(winid, "foldlevel", 99)
+        vim.wo[winid].foldlevel = 99
       end
     end
   end
diff --git a/lua/aerial/init.lua b/lua/aerial/init.lua
index 1649a6f..8a5db1f 100644
--- a/lua/aerial/init.lua
+++ b/lua/aerial/init.lua
@@ -435,7 +435,7 @@ M.info = function()
   do_setup()
   local util = require("aerial.util")
   local bufnr = util.get_buffers(0)
-  local filetype = vim.api.nvim_buf_get_option(bufnr, "filetype")
+  local filetype = vim.bo[bufnr].filetype
   local ignored, message = util.is_ignored_win()
   return {
     ignore = {
diff --git a/lua/aerial/tree.lua b/lua/aerial/tree.lua
index 1953c51..e30c523 100644
--- a/lua/aerial/tree.lua
+++ b/lua/aerial/tree.lua
@@ -158,7 +158,7 @@ M.set_collapse_level = function(bufnr, level)
     end
 
     for _, winid in ipairs(wins) do
-      vim.api.nvim_win_set_option(winid, "foldlevel", level)
+      vim.wo[winid].foldlevel = level
     end
   end
   _post_tree_mutate(bufnr)
diff --git a/lua/aerial/util.lua b/lua/aerial/util.lua
index bf3dbba..dbe3891 100644
--- a/lua/aerial/util.lua
+++ b/lua/aerial/util.lua
@@ -50,11 +50,8 @@ end
 ---@return integer
 M.win_get_gutter_width = function(winid)
   winid = winid or 0
-  if
-    vim.api.nvim_win_get_option(winid, "number")
-    or vim.api.nvim_win_get_option(winid, "relativenumber")
-  then
-    return vim.api.nvim_win_get_option(winid, "numberwidth")
+  if vim.wo[winid].number or vim.wo[winid].relativenumber then
+    return vim.wo[winid].numberwidth
   else
     return 0
   end
@@ -66,7 +63,7 @@ M.is_aerial_buffer = function(bufnr)
   if not vim.api.nvim_buf_is_valid(bufnr or 0) then
     return false
   end
-  local ft = vim.api.nvim_buf_get_option(bufnr or 0, "filetype")
+  local ft = vim.bo[bufnr or 0].filetype
   return ft == "aerial"
 end
 
@@ -245,12 +242,12 @@ M.is_ignored_buf = function(bufnr)
     return false
   end
   local ignore = config.ignore
-  if ignore.unlisted_buffers and not vim.api.nvim_buf_get_option(bufnr, "buflisted") then
+  if ignore.unlisted_buffers and not vim.bo[bufnr].buflisted then
     return true, "Buffer is not listed"
   end
   if ignore.buftypes then
-    local buftype = vim.api.nvim_buf_get_option(bufnr, "buftype")
-    local filetype = vim.api.nvim_buf_get_option(bufnr, "filetype")
+    local buftype = vim.bo[bufnr].buftype
+    local filetype = vim.bo[bufnr].filetype
     if ignore.buftypes == "special" then
       if buftype ~= "" and buftype ~= "help" and filetype ~= "man" then
         return true, string.format("Buftype '%s' is \"special\"", buftype)
@@ -302,7 +299,7 @@ end
 ---@param winid nil|integer
 ---@return boolean
 M.is_managing_folds = function(winid)
-  return vim.api.nvim_win_get_option(winid or 0, "foldexpr") == "v:lua.aerial_foldexpr()"
+  return vim.wo[winid or 0].foldexpr == "v:lua.aerial_foldexpr()"
 end
 
 ---@return "left"|"right"|"float"
diff --git a/lua/aerial/window.lua b/lua/aerial/window.lua
index 0d5c7f2..254ee7a 100644
--- a/lua/aerial/window.lua
+++ b/lua/aerial/window.lua
@@ -84,16 +84,16 @@ end
 ---@param aer_winid integer
 local function setup_aerial_win(src_winid, aer_winid, aer_bufnr)
   vim.api.nvim_win_set_buf(aer_winid, aer_bufnr)
-  vim.api.nvim_win_set_option(aer_winid, "list", false)
-  vim.api.nvim_win_set_option(aer_winid, "winfixwidth", true)
-  vim.api.nvim_win_set_option(aer_winid, "number", false)
-  vim.api.nvim_win_set_option(aer_winid, "signcolumn", "no")
-  vim.api.nvim_win_set_option(aer_winid, "foldcolumn", "0")
-  vim.api.nvim_win_set_option(aer_winid, "relativenumber", false)
-  vim.api.nvim_win_set_option(aer_winid, "wrap", false)
-  vim.api.nvim_win_set_option(aer_winid, "spell", false)
+  vim.wo[aer_winid].list = false
+  vim.wo[aer_winid].winfixwidth = true
+  vim.wo[aer_winid].number = false
+  vim.wo[aer_winid].signcolumn = "no"
+  vim.wo[aer_winid].foldcolumn = "0"
+  vim.wo[aer_winid].relativenumber = false
+  vim.wo[aer_winid].wrap = false
+  vim.wo[aer_winid].spell = false
   for k, v in pairs(config.layout.win_opts) do
-    vim.api.nvim_win_set_option(aer_winid, k, v)
+    vim.wo[aer_winid][k] = v
   end
   vim.api.nvim_win_set_var(aer_winid, "is_aerial_win", true)
 
diff --git a/lua/telescope/_extensions/aerial.lua b/lua/telescope/_extensions/aerial.lua
index 4f748db..a24f500 100644
--- a/lua/telescope/_extensions/aerial.lua
+++ b/lua/telescope/_extensions/aerial.lua
@@ -23,7 +23,7 @@ local function aerial_picker(opts)
 
   local bufnr = vim.api.nvim_get_current_buf()
   local filename = vim.api.nvim_buf_get_name(0)
-  local filetype = vim.api.nvim_buf_get_option(bufnr, "filetype")
+  local filetype = vim.bo[bufnr].filetype
   local show_nesting = ext_config.show_nesting[filetype]
   if show_nesting == nil then
     show_nesting = ext_config.show_nesting["_"]
diff --git a/tests/open_spec.lua b/tests/open_spec.lua
index 7e05d07..26500de 100644
--- a/tests/open_spec.lua
+++ b/tests/open_spec.lua
@@ -18,7 +18,7 @@ a.describe("layout", function()
     aerial.toggle()
     local winid = vim.api.nvim_tabpage_list_wins(0)[1]
     local aer_bufnr = vim.api.nvim_win_get_buf(winid)
-    assert.equals("aerial", vim.api.nvim_buf_get_option(aer_bufnr, "filetype"))
+    assert.equals("aerial", vim.bo[aer_bufnr].filetype)
   end)
 
   a.it("can open relative to the window, to the right", function()
@@ -32,7 +32,7 @@ a.describe("layout", function()
     aerial.toggle()
     local winid = vim.api.nvim_tabpage_list_wins(0)[2]
     local aer_bufnr = vim.api.nvim_win_get_buf(winid)
-    assert.equals("aerial", vim.api.nvim_buf_get_option(aer_bufnr, "filetype"))
+    assert.equals("aerial", vim.bo[aer_bufnr].filetype)
   end)
 
   a.it("can open aerial in float", function()
@@ -40,7 +40,7 @@ a.describe("layout", function()
     aerial.toggle({ direction = "float" })
     local winid = vim.api.nvim_tabpage_list_wins(0)[2]
     local aer_bufnr = vim.api.nvim_win_get_buf(winid)
-    assert.equals("aerial", vim.api.nvim_buf_get_option(aer_bufnr, "filetype"))
+    assert.equals("aerial", vim.bo[aer_bufnr].filetype)
     assert(require("aerial.util").is_floating_win(winid))
   end)