diff --git a/core/core-ui.el b/core/core-ui.el
index e7c04812f..029b0e77b 100644
--- a/core/core-ui.el
+++ b/core/core-ui.el
@@ -1,8 +1,5 @@
 ;;; core-ui.el -*- lexical-binding: t; -*-
 
-(defvar doom-fringe-size '4
-  "Default fringe width.")
-
 (defvar doom-theme nil
   "A symbol representing the color theme to load.")
 
@@ -562,8 +559,6 @@ frame's window-system, the theme will be reloaded.")
 (menu-bar-mode -1)
 (if (fboundp 'tool-bar-mode)   (tool-bar-mode -1))
 (if (fboundp 'scroll-bar-mode) (scroll-bar-mode -1))
-;; standardize default fringe width
-(if (fboundp 'fringe-mode) (fringe-mode doom-fringe-size))
 ;; prompts the user for confirmation when deleting a non-empty frame
 (define-key global-map [remap delete-frame] #'doom/delete-frame)
 
diff --git a/modules/feature/popup/autoload.el b/modules/feature/popup/autoload.el
index 045b8affb..7ad2d2177 100644
--- a/modules/feature/popup/autoload.el
+++ b/modules/feature/popup/autoload.el
@@ -277,7 +277,7 @@ that window has been changed or closed."
 (defun +popup|adjust-fringes ()
   "Hides the fringe in popup windows, restoring them if `+popup-buffer-mode' is
 disabled."
-  (let ((f (if +popup-buffer-mode 0 doom-fringe-size)))
+  (let ((f (if +popup-buffer-mode 0)))
     (set-window-fringes nil f f fringes-outside-margins)))
 
 ;;;###autoload
diff --git a/modules/ui/doom/config.el b/modules/ui/doom/config.el
index 98f47b203..053ed049f 100644
--- a/modules/ui/doom/config.el
+++ b/modules/ui/doom/config.el
@@ -104,3 +104,6 @@
     nil nil '(center repeated))
   (define-fringe-bitmap 'git-gutter-fr:deleted [128 192 224 240]
     nil nil 'bottom))
+
+;; standardize default fringe width
+(if (fboundp 'fringe-mode) (fringe-mode '4))