diff --git a/vim/ftplugin/markdown.vim b/vim/ftplugin/markdown.vim
index f5b46ee..6edfe9e 100644
--- a/vim/ftplugin/markdown.vim
+++ b/vim/ftplugin/markdown.vim
@@ -9,15 +9,3 @@ let g:ale_lint_on_text_changed=0
 let g:ale_fixers = {}
 let g:ale_fixers['markdown'] = ['prettier']
 let g:ale_fix_on_save = 1
-
-" complete english words
-setlocal dictionary+=/usr/share/dict/words
-" Remove this if you'd like to use fuzzy search
-call deoplete#custom#source(
-            \ 'dictionary', 'matchers', ['matcher_head'])
-" If dictionary is already sorted, no need to sort it again.
-call deoplete#custom#source(
-            \ 'dictionary', 'sorters', [])
-" Do not complete too short words
-call deoplete#custom#source(
-            \ 'dictionary', 'min_pattern_length', 4)