diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 115d6cd..f99a5f2 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -4859,8 +4859,7 @@ function! fugitive#MapJumps(...) abort
     nnoremap <buffer>          c-    :Gcommit -
     nnoremap <buffer>       c<Space> :Gcommit<Space>
     nnoremap <buffer>          c<CR> :Gcommit<CR>
-    nnoremap <buffer> <silent> co    :<C-U>echoerr 'Use CTRL-W C'<CR>
-    nnoremap <buffer> <silent> <C-W>C :<C-U>exe 'Gsplit ' . <SID>fnameescape(<SID>ContainingCommit())<CR>
+    nnoremap <buffer> <silent> co    :<C-U>echoerr 'Use CTRL-W sC'<CR>
     nnoremap <buffer> <silent> cp    :<C-U>echoerr 'Use gC'<CR>
     nnoremap <buffer> <silent> gC    :<C-U>exe 'Gpedit ' . <SID>fnameescape(<SID>ContainingCommit())<CR>
     nnoremap <buffer> <silent> gc    :<C-U>exe 'Gpedit ' . <SID>fnameescape(<SID>ContainingCommit())<CR>
diff --git a/doc/fugitive.txt b/doc/fugitive.txt
index 6669c6d..cdd9da9 100644
--- a/doc/fugitive.txt
+++ b/doc/fugitive.txt
@@ -317,10 +317,6 @@ P                       Open the current file in the [count]th parent.
                                                 *fugitive_C*
 C                       Open the commit containing the current file.
 
-                                                *fugitive_CTRL-W_C*
-<C-W>C                  Open the commit containing the current file in a new
-                        split.
-
                                                 *fugitive_CTRL-P*
 <C-P>                   Jump to the previous file or hunk.