diff --git a/lua/ada_mode.lua b/lua/ada_mode.lua
index 557fcc4..d2e6c1d 100644
--- a/lua/ada_mode.lua
+++ b/lua/ada_mode.lua
@@ -30,19 +30,3 @@ vim.api.nvim_create_autocmd({ "BufLeave" }, {
 	pattern = { "*.adb", "*.ads" },
 	callback = leave_ada,
 })
-
--- @name format_file
--- @param
--- @short Run gnatpp as formatter on the current file.
-local function format_file()
-	vim.cmd("checktime %")
-	local write_cmd = "gnatpp " .. vim.api.nvim_buf_get_name(0)
-	os.execute(write_cmd)
-	vim.cmd("checktime %")
-end
-
--- Add formatter command
-vim.api.nvim_create_autocmd({ "BufWritePost" }, {
-	pattern = { "*.adb", "*.ads" },
-	callback = format_file,
-})