diff --git a/modules/feature/lookup/autoload/docsets.el b/modules/feature/lookup/autoload/docsets.el
index 89fef163c..27e6e7134 100644
--- a/modules/feature/lookup/autoload/docsets.el
+++ b/modules/feature/lookup/autoload/docsets.el
@@ -1,6 +1,48 @@
 ;;; feature/lookup/autoload/docsets.el -*- lexical-binding: t; -*-
 ;;;###if (featurep! +docsets)
 
+;;;###autodef
+(defun set-docset! (modes &rest docsets)
+  "Registers a list of DOCSETS (strings) for MODES (either one major mode
+symbol or a list of them).
+
+If MODES is a minor mode, you can use :add or :remove as the first element of
+DOCSETS, to instruct it to append (or remove) those from the docsets already set
+by a major-mode, if any.
+
+Used by `+lookup/in-docsets' and `+lookup/documentation'."
+  (dolist (mode (doom-enlist modes))
+    (let ((hook-sym
+           (intern (format "+lookup|%s-docsets--%s"
+                           (pcase (car docsets)
+                             (:add 'add)
+                             (:remove 'remove)
+                             (_ 'set))
+                           mode))))
+      (fset hook-sym
+            (lambda ()
+              (let (var-sym)
+                (cond ((featurep! :completion ivy)
+                       (require 'counsel-dash)
+                       (setq var-sym 'counsel-dash-docsets))
+                      ((featurep! :completion helm)
+                       (require 'helm-dash)
+                       (setq var-sym 'helm-dash-docsets)))
+                (when var-sym
+                  (let ((val (symbol-value var-sym)))
+                    (make-variable-buffer-local var-sym)
+                    (pcase (car docsets)
+                      (:add
+                       (set var-sym (append val (cdr docsets))))
+                      (:remove
+                       (set var-sym
+                            (cl-loop with to-delete = (cdr docsets)
+                                     for docset in val
+                                     unless (member docset to-delete)
+                                     collect docset)))
+                      (_ (set var-sym (cdr docsets)))))))))
+      (add-hook (intern (format "%s-hook" mode)) hook-sym))))
+
 ;;;###autoload
 (def-setting! :docset (modes &rest docsets)
   "Registers a list of DOCSETS (strings) for MODES (either one major mode
@@ -11,27 +53,8 @@ DOCSETS, to instruct it to append (or remove) those from the docsets already set
 by a major-mode, if any.
 
 Used by `+lookup/in-docsets' and `+lookup/documentation'."
-  (let* ((modes (doom-unquote modes))
-         (ivy-p (featurep! :completion ivy))
-         (hook-sym (intern (format "+lookup|%s-docsets--%s"
-                                   (cond ((eq ',(car docsets) :add)    'add)
-                                         ((eq ',(car docsets) :remove) 'remove)
-                                         ('set))
-                                   (string-join docsets "-"))))
-         (var-sym (if ivy-p 'counsel-dash-docsets 'helm-dash-docsets)))
-    `(progn
-       (defun ,hook-sym ()
-         (make-variable-buffer-local ',var-sym)
-         ,(cond ((eq ',(car docsets) :add)
-                 `(setq ,var-sym (append ,var-sym (list ,@(cdr docsets)))))
-                ((eq ',(car docsets) :remove)
-                 `(setq ,var-sym
-                        (cl-loop with to-delete = (list ,@(cdr docsets))
-                                 for docset in ,var-sym
-                                 unless (member docset to-delete)
-                                 collect docset)))
-                (`(setq ,var-sym (list ,@docsets)))))
-       (add-hook! ,modes #',hook-sym))))
+  :obsolete set-docset!
+  `(set-docset! ,modes ,@docsets))
 
 ;;;###autoload
 (autoload 'helm-dash-installed-docsets "helm-dash")
diff --git a/modules/lang/emacs-lisp/config.el b/modules/lang/emacs-lisp/config.el
index d3f41f539..47f7e0e37 100644
--- a/modules/lang/emacs-lisp/config.el
+++ b/modules/lang/emacs-lisp/config.el
@@ -6,7 +6,7 @@
   (set! :repl 'emacs-lisp-mode #'+emacs-lisp/repl)
   (set! :eval 'emacs-lisp-mode #'+emacs-lisp-eval)
   (set! :lookup 'emacs-lisp-mode :documentation 'info-lookup-symbol)
-  (set! :docset '(lisp-mode emacs-lisp-mode) "Emacs Lisp")
+  (set-docset! '(lisp-mode emacs-lisp-mode) "Emacs Lisp")
 
   (set! :rotate 'emacs-lisp-mode
     :symbols '(("t" "nil")
diff --git a/modules/lang/rust/config.el b/modules/lang/rust/config.el
index 7902ea517..b0a892093 100644
--- a/modules/lang/rust/config.el
+++ b/modules/lang/rust/config.el
@@ -2,7 +2,7 @@
 
 (after! rust-mode
   (set-env! "RUST_SRC_PATH")
-  (set! :docset 'rust-mode "Rust")
+  (set-docset! 'rust-mode "Rust")
   (setq rust-indent-method-chain t)
 
   (map! :map rust-mode-map
diff --git a/modules/lang/web/+css.el b/modules/lang/web/+css.el
index cd2175c0e..171775876 100644
--- a/modules/lang/web/+css.el
+++ b/modules/lang/web/+css.el
@@ -38,8 +38,8 @@
   :defer t
   :config
   ;; contains both css-mode & scss-mode
-  (set! :docset 'css-mode "CSS")
-  (set! :docset 'scss-mode "Sass")
+  (set-docset! 'css-mode "CSS")
+  (set-docset! 'scss-mode "Sass")
   (unless EMACS26+
     ;; css-mode's built in completion is superior
     (set-company-backend! '(css-mode scss-mode) 'company-css))
@@ -49,7 +49,7 @@
 (def-package! sass-mode
   :defer t
   :config
-  (set! :docset 'sass-mode "Sass")
+  (set-docset! 'sass-mode "Sass")
   (set-company-backend! 'sass-mode 'company-css)
   (map! :map scss-mode-map :localleader :n "b" #'+css/sass-build))