Stop S-delete from killing region in insert mode

.emacs

@@ -243,6 +243,7 @@ OPT is the optional arg to the original function"
   :demand
   :config
   (evil-mode t)
+  (define-key global-map (kbd "<S-delete>") nil)
   (setq evil-want-integration nil
         evil-want-keybinding nil
         evil-want-Y-yank-to-eol t
@@ -264,8 +265,7 @@ OPT is the optional arg to the original function"
         evil-overriding-maps nil
         evil-intercept-maps nil
         ;; move beyond eol
-        evil-move-beyond-eol t
-        )
+        evil-move-beyond-eol t)
 
   ;; Set alias w/W to save-buffer (to continue using :w to save)
   (defalias 'w 'save-buffer)
@@ -352,7 +352,8 @@ OPT is the optional arg to the original function"
   (:states 'insert
    "C-r"   'counsel-yank-pop
    "C-u"   'counsel-unicode-char
-   "_"     'self-insert-command))
+   "_"     'self-insert-command
+   "<S-delete>" nil))
 
 ;;;;;; Evil-numbers