diff --git a/oni-flycheck.el b/oni-flycheck.el
index 9098023..752108d 100644
--- a/oni-flycheck.el
+++ b/oni-flycheck.el
@@ -4,8 +4,8 @@
 
 ;; Author: Tom Willemse <tom@ryuslash.org>
 ;; Keywords: local
-;; Version: 20190306002858
-;; Package-Requires: (flycheck flycheck-inline flycheck-cask oni-fci)
+;; Version: 20190522210222
+;; Package-Requires: (flycheck flycheck-posframe flycheck-cask)
 
 ;; This program is free software; you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
@@ -27,22 +27,7 @@
 ;;; Code:
 
 (require 'flycheck)
-(require 'flycheck-inline)
-
-(autoload 'turn-off-fci-mode "fill-column-indicator")
-
-(defun oni-flycheck-disable-fci (&rest _)
-  "Disable `fci-mode'."
-  (turn-off-fci-mode))
-
-(defun oni-flycheck-enable-fci (&rest _)
-  "Enable `fci-mode'."
-  (turn-on-fci-mode))
-
-(advice-add 'flycheck-inline-display-phantom
-            :before 'oni-flycheck-disable-fci)
-(advice-add 'flycheck-inline-clear-phantoms
-            :after 'oni-flycheck-enable-fci)
+(require 'flycheck-posframe)
 
 (mapc (lambda (c) (delq c flycheck-checkers))
       '(python-pylint python-pyflakes))
@@ -56,8 +41,10 @@
       (append '("--eval" "(package-initialize)")
               flycheck-emacs-args))
 
+(flycheck-posframe-configure-pretty-defaults)
+
 (add-hook 'flycheck-mode-hook 'flycheck-cask-setup)
-(add-hook 'flycheck-mode-hook 'flycheck-inline-mode)
+(add-hook 'flycheck-mode-hook 'flycheck-posframe-mode)
 
 ;;;###autoload(with-eval-after-load 'flycheck (require 'oni-flycheck))