diff --git a/configuration.org b/configuration.org
index 5dbc871..b8c5790 100644
--- a/configuration.org
+++ b/configuration.org
@@ -1025,22 +1025,6 @@ EDiff and Org-mode files don’t play nice together…
   (activate-mark))
 #+END_SRC
 
-** Make the slash (~/~) key act like ~C-j~ in some Helm views
-
-#+BEGIN_SRC emacs-lisp
-(defun gpolonkai/helm-ff-slash-dir-complete ()
-  "Make forward slash (/) do completion in helm."
-  (interactive)
-  (if (and (or
-            (equal "magit-status" (assoc-default 'name (helm-get-current-source)))
-            (equal "Find Files" (assoc-default 'name (helm-get-current-source)))
-            (equal "helm-mode-insert-file" (assoc-default 'name (helm-get-current-source))))
-           (stringp (helm-get-selection))
-           (file-directory-p (helm-get-selection)))
-      (helm-execute-persistent-action)
-    (insert "/")))
-#+END_SRC
-
 ** Turn the cursor to purple if Yasnippet’s TAB function would fire
 
 Taken from [[http://pages.sachachua.com/.emacs.d/Sacha.html][Sacha Chua’s config]].
@@ -2347,7 +2331,7 @@ accompanying function will be added to ~mu4e-view-mode-hook~.
 
 #+BEGIN_SRC emacs-lisp
 (use-package mu4e
-  :after helm
+  :after ivy
   :ensure nil
   :config
   (require 'org-mu4e)
@@ -2401,7 +2385,7 @@ accompanying function will be added to ~mu4e-view-mode-hook~.
                      (mu4e-refile-folder . "/Private/Drafts"))))
         org-mu4e-link-query-in-headers-mode nil)
   :custom
-  (mu4e-completing-read-function 'helm-comp-read)
+  (mu4e-completing-read-function ivy-completing-read)
   (mu4e-context-policy 'pick-first)
   (mu4e-confirm-quit nil)
   (mail-user-agent 'sendmail-user-agent)
@@ -3185,123 +3169,120 @@ See previous versions of the current file.
   (require 'company-web-html))
 #+END_SRC
 
-* Helm & Co.
+* Ivy & Co.
 
-** Helm
+** Ivy & Counsel
 
-#+BEGIN_SRC emacs-lisp
-(use-package helm
-  :init
-  (require 'helm-config)
-  :custom
-  (helm-M-x-fuzzy-match t)
-  (helm-buffers-fuzzy-matching t)
-  (helm-recentf-fuzzy-match t)
+#+begin_src emacs-lisp
+(use-package ivy
   :config
-  (helm-mode t)
-  :bind
-  (("M-x" . helm-M-x)
-   :map ctl-x-map
-   ("C-f" . helm-find-files)
-   ("b" . helm-mini)
-   :map helm-map
-   ("/" . gpolonkai/helm-ff-slash-dir-complete)))
-#+END_SRC
-
-
-** GNU Globals with Helm
-
-#+BEGIN_SRC emacs-lisp
-(defun gpolonkai/enable-helm-gtags-mode ()
-  (helm-gtags-mode t))
-
-(use-package helm-gtags
+  (ivy-mode 1)
   :custom
-  (helm-gtags-auto-update t)
-  (helm-gtags-ignore-case t)
-  (helm-gtags-path-style 'relative)
-  :hook
-  (c-mode . gpolonkai/enable-helm-gtags-mode)
+  (ivy-use-virtual-buffers t)
+  (ivy-count-format "(%d/%d) ")
+  (ivy-use-selectable-prompt t))
+(use-package counsel
+  :config
+  (counsel-mode)
   :bind
-  (:map helm-gtags-mode-map
-   ("M-t" . helm-gtags-find-tag)
-   ("M-r" . helm-gtags-find-rtag)
-   ("M-s" . helm-gtags-find-symbol)
-   ("M-g M-p" . helm-gtags-parse-file)
-   ("C-c <" . helm-gtags-previous-history)
-   ("C-c >" . helm-gtags-next-history)
-   ("M-," . helm-gtags-pop-stack)))
-#+END_SRC
+  (:map company-mode-map
+   ("C-c j" . counsel-company)
+   :map company-active-map
+    ("C-c j" . counsel-company)))
+#+end_src
 
-** Ag with Helm
+** GNU Globals with Counsel
 
-#+BEGIN_SRC emacs-lisp
-(use-package helm-ag
+#+begin_src emacs-lisp
+(defun gpolonkai/enable-counsel-gtags-mode ()
+  (counsel-gtags-mode t))
+
+(use-package counsel-gtags
+  :custom
+  (counsel-gtags-auto-update t)
+  (counsel-gtags-path-style 'relative)
+  :hook
+  (c-mode . gpolonkai/enable-counsel-gtags-mode)
+  :bind
+  (:map counsel-gtags-mode-map
+   ("M-t" . counsel-gtags-find-definition)
+   ("M-r" . counsel-gtags-find-reference)
+   ("M-s" . counsel-gtags-find-symbol)
+   ("C-c <" . counsel-gtags-go-backward)
+   ("C-c >" . counsel-gtags-go-forward)))
+#+end_src
+
+** Ag with Counsel
+
+#+begin_src emacs-lisp
+(use-package counsel-ag-popup
   :bind
   (:map gpolonkai/pers-map
-   ("s" . helm-do-ag)))
-#+END_SRC
+   ("s" . counsel-ag-popup)))
+#+end_src
 
-** Projectile with Helm
+** Projectile with Counsel
 
-#+BEGIN_SRC emacs-lisp
-(use-package helm-projectile
+#+begin_src emacs-lisp
+(use-package counsel-projectile
   :custom
-  (projectile-completion-system 'helm)
+  (projectile-completion-system 'ivy)
   :config
-  (helm-projectile-on))
-#+END_SRC
+  (counsel-projectile-mode))
+#+end_src
 
-** FlySpell with Helm
+** FlySpell with Ace
 
-#+BEGIN_SRC emacs-lisp
-(use-package helm-flyspell
-  :demand
+#+begin_src emacs-lisp
+(use-package ace-flyspell
   :bind
   (:map flyspell-mode-map
-   ("C-M-i" . helm-flyspell-correct)))
-#+END_SRC
+   ("C-M-i" . ace-flyspell-correct-word)))
+#+end_src
 
-** C Yasnippets with Helm
+** C Yasnippets with Ivy
 
-#+BEGIN_SRC emacs-lisp
-(use-package helm-c-yasnippet
+#+begin_src emacs-lisp
+(use-package ivy-yasnippet
   :after
   yasnippet
-  :demand t
-  :custom
-  (helm-yas-space-match-any-greedy t)
   :bind
-  (("C-c y" . helm-yas-complete)))
-#+END_SRC
+  (("C-c y" . ivy-yasnippet)))
+#+end_src
 
-** PyDoc with Helm
+** PyDoc with Counsel
 
-#+BEGIN_SRC emacs-lisp
-(use-package helm-pydoc)
-#+END_SRC
+#+begin_src emacs-lisp
+(use-package counsel-pydoc)
+#+end_src
 
-** BibTex with Helm
+** BibTex with Ivy
 
-#+BEGIN_SRC emacs-lisp
-(use-package helm-bibtex
+First, set up ~bibtex-completion~:
+
+#+begin_src emacs-lisp
+(use-package bibtex-completion
   :after
   org
   :custom
   (bibtex-completion-bibliography (expand-file-name "references.bib" org-directory))
   (bibtex-completion-library-path (expand-file-name "bibtex-pdfs" org-directory))
   (bibtex-completion-pdf-open-function 'org-open-file)
-  :config
-  (setq bibtex-completion-notes-path (expand-file-name
-                                      (convert-standard-filename "bibliography/helm-bibtex-notes")
-                                      org-directory)))
-#+END_SRC
+  (bibtex-completion-notes-path (expand-file-name
+                                 (convert-standard-filename "bibliography/ivy-bibtex-notes")
+                                 org-directory)))
+#+end_src
 
-** Access passwords in pass using Helm
+#+begin_src emacs-lisp
+(use-package ivy-bibtex
+  :after bibtex-completion)
+#+end_src
 
-#+BEGIN_SRC emacs-lisp
-(use-package helm-pass)
-#+END_SRC
+** Access passwords in pass using Ivy
+
+#+begin_src emacs-lisp
+(use-package ivy-pass)
+#+end_src
 
 * Mode specific ~use-package~ calls
 
@@ -3637,6 +3618,8 @@ With the new Transient package it will be easier.  I just don’t know how to us
  ("M-k" . gpolonkai/undo-buffer-kill)
  ("C-b" . bury-buffer)
  ("/" . repeat)
+ ("C-f" . counsel-find-file)
+ ("b" . counsel-switch-buffer)
  :map isearch-mode-map
  ("<C-return>" . isearch-exit-other-end)
  ("<S-return>" . isearch-exit-mark-match)
diff --git a/customizations.el b/customizations.el
index f8e8916..2f861ef 100644
--- a/customizations.el
+++ b/customizations.el
@@ -26,6 +26,7 @@
  '(minibuffer-prompt-properties '(read-only t cursor-intangible t face minibuffer-prompt))
  '(package-selected-packages
    '(a
+     ace-flyspell
      ace-mc
      ace-window
      achievements
@@ -54,6 +55,11 @@
      company-restclient
      company-shell
      company-web
+     counsel
+     counsel-ag-popup
+     counsel-gtags
+     counsel-projectile
+     counsel-pydoc
      csharp-mode
      csv-mode
      dash
@@ -112,25 +118,18 @@
      goto-last-change
      graphql
      graphql-mode
-     helm
-     helm-ag
-     helm-bibtex
-     helm-c-yasnippet
      helm-chrome
-     helm-core
-     helm-flyspell
-     helm-gtags
      helm-mu
-     helm-pass
-     helm-projectile
-     helm-pydoc
-     helm-unicode
      hl-todo
      hungarian-holidays
      hungry-delete
      hyde
      id-manager
      identica-mode
+     ivy
+     ivy-bibtex
+     ivy-pass
+     ivy-yasnippet
      jinja2-mode
      js2-mode
      json-mode