diff --git a/autoload/SpaceVim/layers/core.vim b/autoload/SpaceVim/layers/core.vim
index 6eff4ee8c..d0afe0adb 100644
--- a/autoload/SpaceVim/layers/core.vim
+++ b/autoload/SpaceVim/layers/core.vim
@@ -41,9 +41,7 @@ function! SpaceVim#layers#core#plugins() abort
   endif
   call add(plugins, ['gruvbox-community/gruvbox', {'loadconf' : 1, 'merged' : 0}])
   call add(plugins, ['tyru/open-browser.vim', {
-        \'on_cmd' : ['OpenBrowserSmartSearch', 'OpenBrowser',
-        \ 'OpenBrowserSearch'],
-        \'on_map' : '<Plug>(openbrowser-',
+        \ 'merged' : 0,
         \ 'loadconf' : 1,
         \}])
   call add(plugins, ['mhinz/vim-grepper' ,              { 'on_cmd' : 'Grepper',
diff --git a/config/plugins/open-browser.vim b/config/plugins/open-browser.vim
index d465a0dcc..3f72a09dd 100644
--- a/config/plugins/open-browser.vim
+++ b/config/plugins/open-browser.vim
@@ -1,31 +1,21 @@
-"for open-browser {{{
-" This is my setting.
 let g:netrw_nogx = get(g:, 'netrw_nogx', 1) " disable netrw's gx mapping.
-"nmap gx <Plug>(openbrowser-smart-search)
-"vmap gx <Plug>(openbrowser-smart-search)
-"" Open URI under cursor.
-nnoremap go <Plug>(openbrowser-open)
-"" Open selected URI.
-vnoremap go <Plug>(openbrowser-open)
+" Open URI under cursor.
+nmap go <Plug>(openbrowser-open)
+" Open selected URI.
+vmap go <Plug>(openbrowser-open)
 " Search word under cursor.
-nnoremap gs <Plug>(openbrowser-search)
+nmap gs <Plug>(openbrowser-search)
 " Search selected word.
-vnoremap gs <Plug>(openbrowser-search)
+vmap gs <Plug>(openbrowser-search)
 " If it looks like URI, Open URI under cursor.
 " Otherwise, Search word under cursor.
-nnoremap gx <Plug>(openbrowser-smart-search)
+nmap gx <Plug>(openbrowser-smart-search)
 " If it looks like URI, Open selected URI.
 " Otherwise, Search selected word.
-vnoremap gx <Plug>(openbrowser-smart-search)
+vmap gx <Plug>(openbrowser-smart-search)
 vnoremap gob :OpenBrowser http://www.baidu.com/s?wd=<C-R>=expand("<cword>")<cr><cr>
 nnoremap gob :OpenBrowser http://www.baidu.com/s?wd=<C-R>=expand("<cword>")<cr><cr>
 vnoremap gog :OpenBrowser http://www.google.com/?#newwindow=1&q=<C-R>=expand("<cword>")<cr><cr>
 nnoremap gog :OpenBrowser http://www.google.com/?#newwindow=1&q=<C-R>=expand("<cword>")<cr><cr>
 vnoremap goi :OpenBrowserSmartSearch http://www.iciba.com/<C-R>=expand("<cword>")<cr><cr>
 nnoremap goi :OpenBrowserSmartSearch http://www.iciba.com/<C-R>=expand("<cword>")<cr><cr>
-" In command-line
-":OpenBrowser http://google.com/
-":OpenBrowserSearch ggrks
-":OpenBrowserSmartSearch http://google.com/
-":OpenBrowserSmartSearch ggrks
-"}}}