diff --git a/modules/rosenthal/bootloader/grub.scm b/modules/rosenthal/bootloader/grub.scm
index a34bad6..6d9fce8 100644
--- a/modules/rosenthal/bootloader/grub.scm
+++ b/modules/rosenthal/bootloader/grub.scm
@@ -2,23 +2,12 @@
 ;;; Copyright © 2023 Hilton Chain <hako@ultrarare.space>
 
 (define-module (rosenthal bootloader grub)
+  ;; Utilities
+  #:use-module (guix deprecation)
   ;; Guix System - bootloaders
-  #:use-module (gnu bootloader)
   #:use-module (gnu bootloader grub)
-  ;; Guix packages
-  #:use-module (rosenthal packages bootloaders)
   #:export (grub-efi-luks2-bootloader
             grub-efi-luks2-removable-bootloader))
 
-(define grub-efi-luks2-bootloader
-  (bootloader
-   (inherit grub-efi-bootloader)
-   ;; NOTE: Don't change the name.  Generation switching code only knows
-   ;; bootloaders defined in (gnu bootloader grub).
-   (name 'grub-efi)
-   (package grub-efi-luks2)))
-
-(define grub-efi-luks2-removable-bootloader
-  (bootloader
-   (inherit grub-efi-removable-bootloader)
-   (package grub-efi-luks2)))
+(define-deprecated/alias grub-efi-luks2-bootloader grub-efi-bootloader)
+(define-deprecated/alias grub-efi-luks2-removable-bootloader grub-efi-removable-bootloader)
diff --git a/modules/rosenthal/packages/bootloaders.scm b/modules/rosenthal/packages/bootloaders.scm
index 053832f..c1b0805 100644
--- a/modules/rosenthal/packages/bootloaders.scm
+++ b/modules/rosenthal/packages/bootloaders.scm
@@ -5,6 +5,7 @@
 (define-module (rosenthal packages bootloaders)
   #:use-module (srfi srfi-26)
   ;; Utilities
+  #:use-module (guix deprecation)
   #:use-module (guix gexp)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
@@ -33,46 +34,7 @@
   #:use-module (gnu packages python-xyz)
   #:export (systemd-stub-name))
 
-;; Patches obtained from:
-;; <https://leo3418.github.io/collections/gentoo-config-luks2-grub-systemd/packages.html>
-
-(define grub-luks2-argon2-support-patch
-  (origin
-    (method url-fetch)
-    (uri (string-append "https://leo3418.github.io/"
-                        "res/collections/gentoo-config-luks2-grub-systemd/"
-                        "grub-2.12-luks2-argon2-v4.patch"))
-    (sha256
-     (base32
-      "02y15k6rd5vj2shfijyhq2nr2775vpa55ijfy6bb8irpnh8i2272"))))
-
-(define-public grub-efi-luks2
-  (let ((base grub-efi))
-    (package
-      (inherit base)
-      (name "grub-efi-luks2")
-      (source
-       (let ((base (package-source base)))
-         (origin
-           (inherit base)
-           (patches
-            (append (origin-patches base)
-                    (list grub-luks2-argon2-support-patch))))))
-      (arguments
-       (substitute-keyword-arguments (package-arguments base)
-         ((#:configure-flags flags ''())
-          #~(append #$flags '("--disable-werror")))
-         ((#:phases phases '%standard-phases)
-          #~(modify-phases #$phases
-              (add-after 'unpack 'delete-configure-script
-                (lambda _
-                  (delete-file "configure")))))))
-      (native-inputs
-       (modify-inputs (package-native-inputs base)
-         (append autoconf automake python-minimal-wrapper)))
-      (properties
-       `(,@(package-properties base)
-         (disable-updater? . #t))))))
+(define-deprecated-package grub-efi-luks2 grub-efi)
 
 (define-public limine
   (package