diff --git a/.emacs.d/config/base.el b/.emacs.d/config/base.el
index ab9148d..874e284 100644
--- a/.emacs.d/config/base.el
+++ b/.emacs.d/config/base.el
@@ -20,7 +20,7 @@
 ;; syntax coloring
 (global-font-lock-mode t)
 
-;; syntax coloring
+;; show end of fill-column length
 (global-display-fill-column-indicator-mode t)
 
 ;; paren matching
diff --git a/.emacs.d/config/c.el b/.emacs.d/config/c.el
index 5f0efc4..f013035 100644
--- a/.emacs.d/config/c.el
+++ b/.emacs.d/config/c.el
@@ -1,8 +1,3 @@
 ;; set c style to linux and indention to 2
 (setq c-default-style "linux"
       c-basic-offset 2)
-
-;; set max line length to 100
-(add-hook 'c-mode-hook
-          (lambda ()
-            (set-fill-column 100)))