diff --git a/after/ftplugin/scala.vim b/after/ftplugin/scala.vim
index 5269530..241e3fa 100644
--- a/after/ftplugin/scala.vim
+++ b/after/ftplugin/scala.vim
@@ -3,4 +3,14 @@ noremap <Leader>f :Autoformat<CR>
 imap //< <Plug>(codelines-close)<CR>
 map <silent> <buffer> <leader>cl :call jobstart(['codelines', '.'])<cr>
 
+nnoremap <silent> K :call <SID>show_documentation()<CR>
+
+function! s:show_documentation()
+	if (index(['vim','help'], &filetype) >= 0)
+		execute 'h '.expand('<cword>')
+	else
+		call CocAction('doHover')
+	endif
+endfunction
+
 au BufWritePost *.scala Neomake!
diff --git a/after/plugin/coc.vim b/after/plugin/coc.vim
index 6fbd5ec..fefda94 100644
--- a/after/plugin/coc.vim
+++ b/after/plugin/coc.vim
@@ -15,4 +15,3 @@ vmap <silent> <M-a> <Plug>(coc-codeaction-selected)
 
 omap <silent> af <Plug>(coc-funcobj-a)
 omap <silent> if <Plug>(coc-funcobj-i)
-
diff --git a/coc-settings.json b/coc-settings.json
deleted file mode 100644
index 17fd15c..0000000
--- a/coc-settings.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-    "languageserver": {
-        "dotty": {
-          "command": "run-dotty-lsp",
-            "rootPatterns": ["build.sbt"],
-            "filetypes": ["scala", "sbt"]
-        }
-    }
-}