diff --git a/core/core-editor.el b/core/core-editor.el
index 0bbaa4b21..4b178e97c 100644
--- a/core/core-editor.el
+++ b/core/core-editor.el
@@ -112,17 +112,6 @@ with functions that require it (like modeline segments)."
     buffer))
 (advice-add #'make-indirect-buffer :around #'doom*set-indirect-buffer-filename)
 
-(defun doom*delete-trailing-whitespace (orig-fn &rest args)
-  "Don't affect trailing whitespace on current line."
-  (let ((linestr (buffer-substring-no-properties
-                  (line-beginning-position)
-                  (line-end-position))))
-    (apply orig-fn args)
-    (when (and (if (featurep 'evil) (evil-insert-state-p) t)
-               (string-match-p "^[\s\t]*$" linestr))
-      (insert linestr))))
-(advice-add #'delete-trailing-whitespace :around #'doom*delete-trailing-whitespace)
-
 (push '("/LICENSE$" . text-mode) auto-mode-alist)