diff --git a/core/autoload/packages.el b/core/autoload/packages.el
index 1a05cbf4d..6f564b2c3 100644
--- a/core/autoload/packages.el
+++ b/core/autoload/packages.el
@@ -512,3 +512,8 @@ calls."
 
 ;;;###autoload
 (advice-add #'package-install-selected-packages :override #'doom//install)
+
+;; Don't save `package-selected-packages' to `custom-file'
+;;;###autoload
+(advice-add #'package--save-selected-packages :override
+            (lambda (&optional value) (if value (setq package-selected-packages value))))