diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index 4c67a11..20398e1 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -11,9 +11,20 @@ set smarttab
 set shiftwidth=2
 set autoindent
 set smartindent
+set nobackup
+set nowritebackup
+set updatetime=300
+set signcolumn=yes
 
 set completeopt=longest,menuone,preview
 
+" Use tab for trigger completion with characters ahead and navigate.
+inoremap <silent><expr> <TAB>
+      \ coc#pum#visible() ? coc#pum#next(1) :
+      \ CheckBackspace() ? "\<Tab>" :
+      \ coc#refresh()
+inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
+
 set ruler		" show the cursor position all the time
 
 filetype plugin on
@@ -28,20 +39,8 @@ call plug#begin(stdpath('data') . '/plugged')
   Plug 'itchyny/lightline.vim'
   Plug 'ap/vim-css-color'
   Plug 'calviken/vim-gdscript3'
-  Plug 'Shougo/deoplete-clangx'
-  Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
-  Plug 'deoplete-plugins/deoplete-jedi'
   Plug 'ervandew/supertab'
+  Plug 'neoclide/coc.nvim', {'branch': 'release'}
 call plug#end()
-let g:deoplete#enable_at_startup = 1
-let g:deoplete#sources#jedi#show_docstring = 1
-call deoplete#custom#var('clangx', 'clang_binary', '/usr/bin/clang')
-
-" Deoplete autocomplete with tab
-"inoremap <expr><tab> pumvisible() ? "\<c-n>" : "\<tab>"
-let g:SuperTabDefaultCompletionType = "<c-x><c-o>"
-let g:SuperTabClosePreviewOnPopupClose = 1
-inoremap <expr><TAB>  pumvisible() ? "\<C-n>" : "\<TAB>"
-
 
 set noshowmode