diff --git a/after/plugin/plugin_settings.vim b/after/plugin/plugin_settings.vim
index ed6bc7d..5031554 100644
--- a/after/plugin/plugin_settings.vim
+++ b/after/plugin/plugin_settings.vim
@@ -140,22 +140,22 @@ endif
 " neosnippet
 " Plugin key-mappings.
 " Note: It must be "imap" and "smap".  It uses <Plug> mappings.
-imap <C-k>     <Plug>(neosnippet_expand_or_jump)
-smap <C-k>     <Plug>(neosnippet_expand_or_jump)
-xmap <C-k>     <Plug>(neosnippet_expand_target)
+" imap <C-k>     <Plug>(neosnippet_expand_or_jump)
+" smap <C-k>     <Plug>(neosnippet_expand_or_jump)
+" xmap <C-k>     <Plug>(neosnippet_expand_target)
 
 " SuperTab like snippets behavior.
 " Note: It must be "imap" and "smap".  It uses <Plug> mappings.
-imap <expr><tab> neosnippet#expandable_or_jumpable() ? "\<Plug>(neosnippet_expand_or_jump)" : pumvisible() ? "\<c-n>" : "\<tab>"
-smap <expr><tab> neosnippet#expandable_or_jumpable() ? "\<Plug>(neosnippet_expand_or_jump)" : "\<tab>"
+" imap <expr><tab> neosnippet#expandable_or_jumpable() ? "\<Plug>(neosnippet_expand_or_jump)" : pumvisible() ? "\<c-n>" : "\<tab>"
+" smap <expr><tab> neosnippet#expandable_or_jumpable() ? "\<Plug>(neosnippet_expand_or_jump)" : "\<tab>"
 
 " For conceal markers.
-if has('conceal')
-  set conceallevel=2 concealcursor=niv
-endif
+" if has('conceal')
+  " set conceallevel=2 concealcursor=niv
+" endif
 " Enable snipMate compatibility feature.
-let g:neosnippet#enable_snipmate_compatibility = 1
-let g:neosnippet#snippets_directory='~/.vim/custom-snippets'
+" let g:neosnippet#enable_snipmate_compatibility = 1
+" let g:neosnippet#snippets_directory='~/.vim/custom-snippets'
 
 
 " rainbow