diff --git a/vim/rc b/vim/rc
index e133807..a30489d 100644
--- a/vim/rc
+++ b/vim/rc
@@ -90,7 +90,6 @@ nnoremap l  $
 
 "general use
 inoremap jk <esc>
-nnoremap U CTRL-r
 nnoremap <F8> :nohlsearch<CR>
 "u is normal undo