(with-eval-after-load 'ediff
(setq ediff-window-setup-function 'ediff-setup-windows-plain
- ediff-split-window-function 'split-window-horizontally)
- (add-hook 'ediff-after-quit-hook-internal #'winner-undo))
+ ediff-split-window-function 'split-window-horizontally))
(with-eval-after-load 'face-remap
(setq