diff --git a/Cask b/Cask
index b1125d7d4..4f108e1ad 100644
--- a/Cask
+++ b/Cask
@@ -27,7 +27,6 @@
 
 ;; UI --- core/core-ui.el
 (depends-on "visual-fill-column")
-(depends-on "yascroll")
 (depends-on "rainbow-delimiters")
 (depends-on "rainbow-mode")
 (depends-on "volatile-highlights")
diff --git a/core/core-eval.el b/core/core-eval.el
index f84f5d35b..0abafbf38 100644
--- a/core/core-eval.el
+++ b/core/core-eval.el
@@ -22,7 +22,6 @@
   (make-variable-buffer-local 'repl-p)
 
   (add-hook! repl-toggle-mode
-    (yascroll-bar-mode +1)
     (evil-initialize-state 'emacs)
     (setq mode-line-format nil
           repl-p t))
diff --git a/core/core-popup.el b/core/core-popup.el
index d6eb20a59..27ca45a2b 100644
--- a/core/core-popup.el
+++ b/core/core-popup.el
@@ -142,20 +142,16 @@
     (advice-add 'quickrun :before 'narf*quickrun-close-popup)
     (advice-add 'quickrun-region :before 'narf*quickrun-close-popup)
 
-    ;; Turns on `yascroll-bar-mode' and `nlinum-mode', and ensures window is scrolled to
-    ;; EOF and that the scrollbar is showing.
+    ;; Turns on `nlinum-mode', and ensures window is scrolled to EOF
     (defun narf|quickrun-after-run ()
       (let ((window (get-buffer-window quickrun/buffer-name)))
         (with-selected-window window
-          (yascroll-bar-mode +1)
           (narf|nlinum-enable)
           (setq mode-line-format nil)
           (let* ((lines (count-lines (point-min) (point-max)))
                  (act-lines (max 5 (min 30 lines))))
             (set-window-start window (evil-line-position (+ 2 (- lines act-lines))))
-            (evil-resize-window act-lines)
-            (yascroll:safe-show-scroll-bar) ; scroll-bar starts hidden, but not anymore!
-            ))))
+            (evil-resize-window act-lines)))))
     (add-hook 'quickrun-after-run-hook 'narf|quickrun-after-run)
 
     ;; I let `narf|quickrun-after-run' handle scrolling, so quickrun shouldn't have to!
diff --git a/core/core-ui.el b/core/core-ui.el
index e714ae6c7..6e9f7edd8 100644
--- a/core/core-ui.el
+++ b/core/core-ui.el
@@ -122,13 +122,6 @@
 
 (use-package visual-fill-column :defer t)
 
-(use-package yascroll
-  :commands (yascroll-bar-mode)
-  :config
-  (add-to-list 'yascroll:enabled-window-systems 'mac)
-  (setq yascroll:scroll-bar 'left-fringe
-        yascroll:delay-to-hide nil))
-
 (use-package rainbow-delimiters
   :commands rainbow-delimiters-mode
   :init (add-hook! (emacs-lisp-mode lisp-mode js2-mode scss-mode) 'rainbow-delimiters-mode)
diff --git a/private/themes/narf-dark-theme.el b/private/themes/narf-dark-theme.el
index 98366a216..dff2d7d7e 100644
--- a/private/themes/narf-dark-theme.el
+++ b/private/themes/narf-dark-theme.el
@@ -190,8 +190,6 @@
    ;; plugin-specific
    ;; *****************************************************************************************
 
-   `(yascroll:thumb-fringe       ((,c (:background ,grey-1 :foreground ,grey-1))))
-
    `(reb-match-0                 ((,c (:foreground ,orange   :inverse-video t))))
    `(reb-match-1                 ((,c (:foreground ,magenta  :inverse-video t))))
    `(reb-match-2                 ((,c (:foreground ,green    :inverse-video t))))
diff --git a/private/themes/narf-light-theme.el b/private/themes/narf-light-theme.el
index a4e2bd62b..0a5f2f852 100644
--- a/private/themes/narf-light-theme.el
+++ b/private/themes/narf-light-theme.el
@@ -176,8 +176,6 @@
    ;; plugin-specific
    ;; *****************************************************************************************
 
-   `(yascroll:thumb-fringe       ((,c (:background ,grey-1 :foreground ,grey-1))))
-
    `(reb-match-0                 ((,c (:foreground ,orange :inverse-video t))))
    `(reb-match-1                 ((,c (:foreground ,magenta :inverse-video t))))
    `(reb-match-2                 ((,c (:foreground ,green :inverse-video t))))