diff --git a/plugin/tmuxcomplete.vim b/plugin/tmuxcomplete.vim
index 5a307b7..84e50e4 100644
--- a/plugin/tmuxcomplete.vim
+++ b/plugin/tmuxcomplete.vim
@@ -2,16 +2,5 @@ if exists("g:loaded_tmux_complete") || &cp || v:version < 700
     finish
 endif
 let g:loaded_tmux_complete = '0.0.1' " version number
-let s:save_cpoptions = &cpoptions
-set cpo&vim
-
-" Deprecated completion function
-" use tmuxcomplete#complete
-function! CompleteScript(findstart, base)
-    return tmuxcomplete#complete(a:findstart, a:base)
-endfun
 
 set completefunc=tmuxcomplete#complete
-
-let &cpoptions = s:save_cpoptions
-unlet s:save_cpoptions