diff --git a/README.md b/README.md
index 044299c..51fb71b 100644
--- a/README.md
+++ b/README.md
@@ -111,7 +111,6 @@ xmap <C-k>     <Plug>(neosnippet_expand_target)
 
 " SuperTab like snippets behavior.
 " Note: It must be "imap" and "smap".  It uses <Plug> mappings.
-imap <C-k>     <Plug>(neosnippet_expand_or_jump)
 "imap <expr><TAB>
 " \ pumvisible() ? "\<C-n>" :
 " \ neosnippet#expandable_or_jumpable() ?