commit https://github.com/vim/vim/commit/f9f22dbe4f90673ecce601a9dee4bb750ce3cd8f Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 3 14:09:59 2016 +0200 patch 7.4.1701 Problem: Equivalence classes still tested in old style tests. Solution: Remove the duplicate.

" Vim support file to switch off loading indent files for file types
"
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2001 Jun 11

if exists("did_indent_on")
  unlet did_indent_on
endif

" Remove all autocommands in the filetypeindent group
silent! au! filetypeindent *