diff --git a/README.md b/README.md
index 49eaa5a..6c222a4 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ luarocks install diffs.nvim
   The buffer is then re-painted after `debounce_ms` milliseconds, causing an
   unavoidable visual "flash" even when `debounce_ms = 0`.
 
-## Acknowledgements
+# Acknowledgements
 
 - [vim-fugitive](https://github.com/tpope/vim-fugitive)
 - [codediff.nvim](https://github.com/esmuellert/codediff.nvim)
diff --git a/doc/diffs.nvim.txt b/doc/diffs.nvim.txt
index 1916683..6561627 100644
--- a/doc/diffs.nvim.txt
+++ b/doc/diffs.nvim.txt
@@ -48,9 +48,6 @@ CONFIGURATION                                                   *diffs-config*
 
                                                               *diffs.Config*
     Fields: ~
-        {enabled}            (boolean, default: true)
-                             Enable or disable highlighting globally.
-
         {debug}              (boolean, default: false)
                              Enable debug logging to |:messages| with
                              `[diffs]` prefix.
diff --git a/lua/diffs/init.lua b/lua/diffs/init.lua
index b51d338..c47beda 100644
--- a/lua/diffs/init.lua
+++ b/lua/diffs/init.lua
@@ -11,7 +11,6 @@
 ---@field max_lines integer
 
 ---@class diffs.Config
----@field enabled boolean
 ---@field debug boolean
 ---@field debounce_ms integer
 ---@field hide_prefix boolean
@@ -65,7 +64,6 @@ end
 
 ---@type diffs.Config
 local default_config = {
-  enabled = true,
   debug = false,
   debounce_ms = 0,
   hide_prefix = false,
@@ -102,10 +100,6 @@ local dbg = log.dbg
 
 ---@param bufnr integer
 local function highlight_buffer(bufnr)
-  if not config.enabled then
-    return
-  end
-
   if not vim.api.nvim_buf_is_valid(bufnr) then
     return
   end
@@ -242,10 +236,6 @@ local DIFF_WINHIGHLIGHT = table.concat({
 }, ',')
 
 function M.attach_diff()
-  if not config.enabled then
-    return
-  end
-
   local tabpage = vim.api.nvim_get_current_tabpage()
   local wins = vim.api.nvim_tabpage_list_wins(tabpage)
 
@@ -282,7 +272,6 @@ function M.setup(opts)
   opts = opts or {}
 
   vim.validate({
-    enabled = { opts.enabled, 'boolean', true },
     debug = { opts.debug, 'boolean', true },
     debounce_ms = { opts.debounce_ms, 'number', true },
     hide_prefix = { opts.hide_prefix, 'boolean', true },
diff --git a/spec/init_spec.lua b/spec/init_spec.lua
index 84fbc99..19da8f7 100644
--- a/spec/init_spec.lua
+++ b/spec/init_spec.lua
@@ -131,26 +131,6 @@ describe('diffs', function()
     end)
   end)
 
-  describe('config options', function()
-    it('enabled=false prevents highlighting', function()
-      diffs.setup({ enabled = false })
-      local bufnr = vim.api.nvim_create_buf(false, true)
-      vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, {
-        'M test.lua',
-        '@@ -1,1 +1,2 @@',
-        ' local x = 1',
-        '+local y = 2',
-      })
-      diffs.attach(bufnr)
-
-      local ns = vim.api.nvim_create_namespace('diffs')
-      local extmarks = vim.api.nvim_buf_get_extmarks(bufnr, ns, 0, -1, {})
-      assert.are.equal(0, #extmarks)
-
-      vim.api.nvim_buf_delete(bufnr, { force = true })
-    end)
-  end)
-
   describe('is_fugitive_buffer', function()
     it('returns true for fugitive:// URLs', function()
       local bufnr = vim.api.nvim_create_buf(false, true)
@@ -204,17 +184,6 @@ describe('diffs', function()
         close_window(win)
       end)
 
-      it('does nothing when enabled=false', function()
-        diffs.setup({ enabled = false })
-        local win, _ = create_diff_window()
-        diffs.attach_diff()
-
-        local whl = vim.api.nvim_get_option_value('winhighlight', { win = win })
-        assert.are.equal('', whl)
-
-        close_window(win)
-      end)
-
       it('is idempotent', function()
         local win, _ = create_diff_window()
         assert.has_no.errors(function()