diff --git a/after/ftplugin/c.vim b/after/ftplugin/c.vim
index dbd2fea..fa8a669 100644
--- a/after/ftplugin/c.vim
+++ b/after/ftplugin/c.vim
@@ -9,8 +9,6 @@ setlocal comments=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,:///,://
 setlocal commentstring=//%s
 " Stop automatic new lines which typing long single liners.
 setlocal textwidth=0
-" Map K to get YouCompleteMe documentation.
-nnoremap K :YcmCompleter GetDoc<CR>
 " "ys{motion}t" turns "word" -> "TODO(word):"
 let b:surround_{char2nr("t")} = "TODO(\r):"
 " "ys{motion}/" turns "text" into "/*text*/"
diff --git a/plugin/mappings.vim b/plugin/mappings.vim
index a873b76..e46cb09 100644
--- a/plugin/mappings.vim
+++ b/plugin/mappings.vim
@@ -1,10 +1,10 @@
 " coc.nvim
-nnoremap <silent> <leader>fi <Plug>(coc-fix-current)
-nnoremap <silent> <leader>gd <Plug>(coc-definition)
-nnoremap <silent> <leader>gt <Plug>(coc-type-definition)
-nnoremap <silent> <leader>sd <Plug>(coc-diagnostic-info)
-nnoremap <silent> <leader>gr <Plug>(coc-references)
-nnoremap <silent> K :call do#show_documentation()<CR>
+nmap <silent> <leader>fi <Plug>(coc-fix-current)
+nmap <silent> <leader>gd <Plug>(coc-definition)
+nmap <silent> <leader>gt <Plug>(coc-type-definition)
+nmap <silent> <leader>sd <Plug>(coc-diagnostic-info)
+nmap <silent> <leader>gr <Plug>(coc-references)
+nmap <silent> K :call do#show_documentation()<CR>
 
 if has('nvim')
   " Make nvim :terminal more like vim :terminal