diff --git a/.vimrc b/.vimrc
index b59d1b6..e203107 100644
--- a/.vimrc
+++ b/.vimrc
@@ -158,22 +158,6 @@ if has ("autocmd")
   augroup END
 endif
 
-let s:copypastemode = 0
-function! ToggleCopyPaste()
-  if s:copypastemode
-    set nopaste
-    set number
-    set relativenumber
-    let s:copypastemode = 0
-  else
-    set paste
-    set nonumber
-    set norelativenumber
-    let s:copypastemode = 1
-  endif
-endfunction
-nnoremap <F3> :call ToggleCopyPaste()<CR>
-inoremap <F3> <Esc>:call ToggleCopyPaste()<CR>i
 nnoremap <RightMouse> p
 inoremap <RightMouse> <Esc>p