diff --git a/doom.d/config.el b/doom.d/config.el
index e41cf5c..ab97800 100644
--- a/doom.d/config.el
+++ b/doom.d/config.el
@@ -84,14 +84,8 @@
 ;; You can also try 'gd' (or 'C-c c d') to jump to their definition and see how
 ;; they are implemented.
 
-(use-package! centaur-tabs
-  :config
-  (setq centaur-tabs-set-icons t
-        centaur-tabs-set-bar 'underflow
-        centaur-tabs-style "wave"
-        centaur-tabs-enable-key-bindings t)
-  (centaur-tabs-headline-match)
-  (centaur-tabs-group-by-projectile-project))
+(after! gcmh
+  (setq gcmh-high-cons-threshold (* 64 1024 1024)))
 
 (use-package! mixed-pitch
   :hook
diff --git a/doom.d/config.org b/doom.d/config.org
index e48bf93..c798fa3 100644
--- a/doom.d/config.org
+++ b/doom.d/config.org
@@ -95,18 +95,12 @@ The provided default ~config.el~
 ;; You can also try 'gd' (or 'C-c c d') to jump to their definition and see how
 ;; they are implemented.
 #+end_src
-* Appearance and UI
-** Centaur tabs
+** Garbage collector configuration
 #+begin_src emacs-lisp
-(use-package! centaur-tabs
-  :config
-  (setq centaur-tabs-set-icons t
-        centaur-tabs-set-bar 'underflow
-        centaur-tabs-style "wave"
-        centaur-tabs-enable-key-bindings t)
-  (centaur-tabs-headline-match)
-  (centaur-tabs-group-by-projectile-project))
+(after! gcmh
+  (setq gcmh-high-cons-threshold (* 64 1024 1024)))
 #+end_src
+* Appearance and UI
 ** Mixed Pitch Mode
 Use mixed pitch mode in prose writing modes, to make the writing experience a bit more pleasant.
 This tweak applies to:
diff --git a/doom.d/init.el b/doom.d/init.el
index bd596b4..1316ba8 100644
--- a/doom.d/init.el
+++ b/doom.d/init.el
@@ -27,7 +27,6 @@
        modeline          ; snazzy, Atom-inspired modeline, plus API
        nav-flash         ; blink cursor line after big motions
        (popup +defaults)   ; tame sudden yet inevitable temporary windows
-       tabs              ; a tab bar for Emacs
        (treemacs +lsp)          ; a project drawer, like neotree but cooler
        unicode           ; extended unicode support for various languages
        window-select     ; visually switch windows