Fix amx-map C-h key

emacs.el

@@ -559,7 +559,9 @@ found, otherwise returns nil."
   (prompt-text-mode 1))
 
 (when (safe-require-or-eval 'amx)
-  (amx-mode 1))
+  (amx-mode 1)
+  (defvar amx-map)
+  (define-key amx-map (kbd "C-h") (kbd "DEL")))
 
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