diff --git a/.emacs.el b/.emacs.el
index 6155bbd..6c7ee1f 100755
--- a/.emacs.el
+++ b/.emacs.el
@@ -28,23 +28,18 @@
 (yas-global-mode 1)
 (define-key yas-minor-mode-map (kbd "<C-tab>") 'yas-next-field)
 
+(require 'auto-complete)
 (require 'auto-complete-config)
 (ac-config-default)
 
-(require 'auto-complete-clang-async)
+;; (require 'auto-complete-clang-async)
 (require 'ac-c-headers)
 (add-to-list 'ac-modes 'latex-mode)   ; make auto-complete aware of `latex-mode`
 (add-to-list 'ac-modes 'org-mode)
 (require 'ac-math)
 
 (defun ac-cc-mode-setup ()
-  (setq ac-clang-complete-executable "~/.emacs.d/clang-complete")
-  (setq ac-clang-cflags (list "-std=c++11" "-I../inc"))
-  (setq ac-sources
-        (append '(ac-source-clang-async)
-                ac-sources))
   (add-to-list 'ac-sources 'ac-source-c-headers)
-  (ac-clang-launch-completion-process)
   (hs-minor-mode))
 
 (add-hook 'c-mode-common-hook 'ac-cc-mode-setup)