diff --git a/company-org-roam.el b/company-org-roam.el
deleted file mode 100644
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--- a/company-org-roam.el
+++ /dev/null
@@ -1,144 +0,0 @@
-;;; company-org-roam.el --- Company backend for Org-roam
-
-;; Copyright © 2020 Jethro Kuan <jethrokuan95@gmail.com>
-
-;; Author: Jethro Kuan <jethrokuan95@gmail.com>
-;; URL: https://github.com/jethrokuan/org-roam
-;; Keywords: org-mode, roam, convenience
-;; Version: 1.0.0-rc1
-;; Package-Requires: ((emacs "26.1") (company "0.9.0"))
-
-;; This file is NOT part of GNU Emacs.
-
-;; 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
-;; the Free Software Foundation; either version 3, or (at your option)
-;; any later version.
-;;
-;; This program is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;; GNU General Public License for more details.
-;;
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING.  If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
-
-;;; Commentary:
-
-;; `company-org-roam' is a `company' completion backend for Org-roam.
-;; To use it, add `company-org-roam' to `company-backends':
-
-;;     (require 'company-org-roam)
-;;     (company-org-roam-init)
-
-;;; Code:
-(require 'cl-lib)
-(require 'company)
-(require 'org-roam)
-
-(defgroup company-org-roam nil
-  "Company completion backend for Org-roam."
-  :prefix "company-org-roam-"
-  :group 'org-roam)
-
-(defcustom company-org-roam-cache-expire 10
-  "Number of seconds before the caches expire.
-
-A value of nil means the caches never expire."
-  :type '(integer :tag "Seconds")
-  :group 'company-org-roam)
-
-(defvar company-org-roam-last-cache-time (make-hash-table :test #'equal)
-  "Time of last cache.")
-
-(defvar company-org-roam-cache (make-hash-table :test #'equal)
-  "In-memory cache for completions.")
-
-(defun company-org-roam-time-seconds ()
-  "Return the number of seconds since the unix epoch."
-  (cl-destructuring-bind (high low _usec _psec) (current-time)
-    (+ (lsh high 16) low)))
-
-(defun company-org-roam--post-completion (candidate)
-  "The post-completion action for `company-org-roam'.
-It deletes the inserted CANDIDATE, and replaces it with a
-relative file link."
-  (let* ((cache (gethash (file-truename org-roam-directory) company-org-roam-cache))
-         (path (gethash candidate cache))
-         (current-file-path (-> (or (buffer-base-buffer)
-                                    (current-buffer))
-                                (buffer-file-name)
-                                (file-truename)
-                                (file-name-directory))))
-    (delete-region (- (point) (length candidate)) (point))
-    (insert (format "[[file:%s][%s]]"
-                    (file-relative-name path current-file-path)
-                    candidate))))
-
-(defun company-org-roam--filter-candidates (prefix candidates)
-  "Filter CANDIDATES that start with PREFIX.
-The string match is case-insensitive."
-  (-filter (lambda (candidate)
-             (s-starts-with-p prefix candidate t)) candidates))
-
-(defun company-org-roam--update-cache ()
-  "Update the cache with new entries.
-Entries with no title do not appear in the completions."
-  (let ((dir (file-truename org-roam-directory))
-        (ht (make-hash-table :test #'equal)))
-    (dolist (row (org-roam-db-query [:select [titles file] :from titles]))
-      (let ((titles (car row))
-            (file (cadr row)))
-        (dolist (title titles)
-          (puthash title file ht))))
-    (puthash dir ht company-org-roam-cache)))
-
-(defun company-org-roam--cache-get-titles ()
-  "Return all the titles."
-  (let* ((dir (file-truename org-roam-directory))
-         (last-cache-time (gethash dir company-org-roam-last-cache-time))
-         (curr-time (company-org-roam-time-seconds)))
-    (when (or (null last-cache-time)
-              (< (+ last-cache-time company-org-roam-cache-expire)
-                 curr-time))
-      (puthash dir curr-time company-org-roam-last-cache-time)
-      (company-org-roam--update-cache))
-    (hash-table-keys (gethash dir company-org-roam-cache))))
-
-(defun company-org-roam--get-candidates (prefix)
-  "Get the candidates for PREFIX."
-  (->> (company-org-roam--cache-get-titles)
-       (-flatten)
-       (company-org-roam--filter-candidates prefix)))
-
-;;;###autoload
-(defun company-org-roam (command &optional arg &rest _)
-  "Define a company backend for Org-roam.
-COMMAND and ARG are as per the documentation of `company-backends'."
-  (interactive (list 'interactive))
-  (cl-case command
-    (interactive (company-begin-backend #'company-org-roam))
-    (prefix
-     (and
-      (bound-and-true-p org-roam-mode)
-      (or (company-grab-symbol) 'stop)))
-    (candidates
-     (company-org-roam--get-candidates arg))
-    (post-completion (company-org-roam--post-completion arg))))
-
-(defun company-org-roam--init-hook ()
-  "Conditional enabling of the `company-org-roam' backend."
-  (when (org-roam--org-roam-file-p (buffer-file-name (buffer-base-buffer)))
-    (setq-local company-backends
-                (cons 'company-org-roam company-backends))))
-
-;;;###autoload
-(defun company-org-roam-init ()
-  "Injects `company-org-roam' as a completion backend."
-  (add-hook 'org-mode-hook #'company-org-roam--init-hook))
-
-(provide 'company-org-roam)
-
-;;; company-org-roam.el ends here
diff --git a/doc/images/company-org-roam.gif b/doc/images/company-org-roam.gif
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