diff --git a/lua/cmp/utils/keymap.lua b/lua/cmp/utils/keymap.lua
index 9ac9ef7..4b5c59c 100644
--- a/lua/cmp/utils/keymap.lua
+++ b/lua/cmp/utils/keymap.lua
@@ -26,6 +26,7 @@ keymap.normalize = function(keys)
     end
   end
   vim.api.nvim_buf_del_keymap(normalize_buf, 't', keys)
+  vim.api.nvim_buf_delete(normalize_buf, {})
   return keys
 end