diff --git a/.vim/deoplete.vimrc.vim b/.vim/deoplete.vimrc.vim
new file mode 100644
index 0000000..0c3263a
--- /dev/null
+++ b/.vim/deoplete.vimrc.vim
@@ -0,0 +1,71 @@
+let g:deoplete#disable_auto_complete = 1
+inoremap <expr> <C-n>  deoplete#manual_complete()
+let g:deoplete#enable_ignore_case = 1
+" Use head matcher instead of fuzzy matcher
+" call deoplete#custom#source('_',
+" \ 'matchers', ['matcher_head'])
+call deoplete#custom#option({
+\ 'auto_complete_delay': 230,
+\ 'auto_refresh_delay': 240,
+\ 'refresh_always': v:true,
+\ 'on_insert_enter': v:true,
+\ 'enable_slash_completion': v:true,
+\ 'enable_auto_completion': v:false,
+\ 'smart_case': v:true,
+\ })
+call deoplete#custom#option('skip_chars', ['(', ')', ':'])
+" call deoplete#custom#option('keyword_patterns', {
+" \ '_': '[a-zA-Z_]\k*',
+" \ 'tex': '\\?[a-zA-Z_]\w*',
+" \})
+" call deoplete#custom#option('omni_patterns', {
+" \ 'cpp': ['[^. *\t]\%(\.\|->\)\w*', '[a-zA-Z_]\w*::'],
+" \})
+let g:deoplete#sources#sort_class = ['type', 'package', 'func', 'var', 'const']
+let g:deoplete#omni_patterns = {}
+let g:deoplete#omni_patterns.go = '[^. *\t]\.\w*'
+let g:deoplete#omni_patterns.cpp = ['[^. *\t]\%(\.\|->\)\w*', '[a-zA-Z_]\w*::']
+" let g:deoplete#min_pattern_length = 1
+let g:deoplete#min_pattern_length = 0
+let g:deoplete#auto_completion_start_length = 0
+call deoplete#custom#option('sources', {
+\ '_': ['ale', 'buffer', 'around'],
+\ 'cpp': ['ale', 'tag', 'lsp#complete', 'lsp', 'buffer', 'around', 'ultisnips'],
+\ 'cmake': ['buffer', 'tag', 'ale', 'lsp#complete', 'lsp', 'ultisnips'],
+\ 'go': ['ale', 'tag', 'lsp#complete', 'lsp', 'buffer', 'around'],
+\ 'py': ['buffer', 'tag', 'ale', 'lsp#complete', 'lsp', 'ultisnips'],
+\ 'python': ['buffer', 'tag', 'ale', 'jedi', 'lsp#complete', 'lsp', 'ultisnips'],
+\})
+" \ 'cpp': ['buffer', 'tag', 'ale', 'lsp_clangd', 'lsp#complete', 'lsp', 'ultisnips'],
+" \ 'go': ['ale', 'tag', 'lsp#complete', 'lsp', 'buffer', 'around', 'ultisnips'],
+
+call deoplete#custom#option('ignore_sources', ['lsp_clangd'])
+
+" set rank of a particular source
+call deoplete#custom#source('ultisnips', 'rank', 101)
+" call deoplete#custom#source('lsp_clangd', 'rank', 104)
+" call deoplete#custom#source('lsp_clangd',
+" \ 'filetypes', ['c', 'cpp'])
+call deoplete#custom#source('lsp#complete', 'rank', 102)
+call deoplete#custom#source('buffer', 'rank', 10)
+call deoplete#custom#source('around', 'rank', 10)
+call deoplete#custom#source('lsp', 'rank', 102)
+call deoplete#custom#source('ale', 'rank', 11)
+" call deoplete#custom#option('profile', v:true)
+" call deoplete#enable_logging('DEBUG', 'deoplete.log')
+
+
+" clang
+let g:deoplete#sources#clang#libclang_path='/usr/lib64/libclang.so'
+let g:deoplete#sources#clang#clang_header='/usr/include/clang'
+let g:deoplete#sources#clang#std = {'c': 'c11', 'cpp': 'c++20'}
+let g:deoplete#sources#clang#filter_availability_kinds = ['NotAvailable', 'NotAccessible']
+
+
+" python deoplete
+let g:deoplete#sources#jedi#enable_typeinfo = 1
+
+
+" rust deoplete
+let g:deoplete#sources#rust#rust_source_path='/usr/bin/rust'
+let g:deoplete#sources#rust#show_duplicates=0
diff --git a/.vim/vimrc b/.vim/vimrc
index 33c2b9b..4264243 100644
--- a/.vim/vimrc
+++ b/.vim/vimrc
@@ -285,8 +285,13 @@ nmap ghs <Plug>(GitGutterStageHunk)
 nmap ghu <Plug>(GitGutterUndoHunk)
 nnoremap <leader>d :GitGutterLineHighlightsToggle<cr>
 
-let g:deoplete#enable_at_startup = 1
-let g:deoplete#enable_ignore_case = 1
+
+let g:deoplete#enable_at_startup = 0
+
+" load deoplete config.
+exec 'source ' . escape(expand('~/.vim'),' ') . '/' . 'deoplete.vimrc.vim'
+
+
 
 let g:livepreview_cursorhold_recompile = 0
 let g:livepreview_previewer = 'evince'