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diff --git a/leim/quail/uni-input.el b/leim/quail/uni-input.el
deleted file mode 100644
index aacae3d979a..00000000000
--- a/leim/quail/uni-input.el
+++ /dev/null
@@ -1,133 +0,0 @@
-;;; uni-input.el --- Hex Unicode input method
-
-;; Copyright (C) 2001-2013 Free Software Foundation, Inc.
-;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
-;;   National Institute of Advanced Industrial Science and Technology (AIST)
-;;   Registration Number H14PRO021
-
-;; Author: Dave Love <fx@gnu.org>
-;; Keywords: i18n
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs is free software: you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;; Provides an input method for entering characters by hex unicode in
-;; the form `uxxxx', similarly to the Yudit editor.
-
-;; This is not really a Quail method, but uses some Quail functions.
-;; There is probably A Better Way.
-
-;; You can get a similar effect by using C-q with
-;; `read-quoted-char-radix' set to 16.
-
-;; Note that this only allows you to enter BMP values unless someone
-;; extends it to use variable numbers of digits.
-
-;;; Code:
-
-(require 'quail)
-
-(defun ucs-input-insert-char (char)
-  (insert char)
-  (move-overlay quail-overlay (overlay-start quail-overlay) (point)))
-
-(defun ucs-input-method (key)
-  (if (or buffer-read-only
-	  (and (/= key ?U) (/= key ?u)))
-      (list key)
-    (quail-setup-overlays nil)
-    (ucs-input-insert-char key)
-    (let ((modified-p (buffer-modified-p))
-	  (buffer-undo-list t)
-	  (input-method-function nil)
-	  (echo-keystrokes 0)
-	  (help-char nil)
-	  (events (list key))
-	  (str "    "))
-      (unwind-protect
-	  (catch 'non-digit
-	    (progn
-	      (dotimes (i 4)
-		(let ((seq (read-key-sequence nil))
-		      key)
-		  (if (and (stringp seq)
-			   (= 1 (length seq))
-			   (setq key (aref seq 0))
-			   (memq key '(?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9 ?a
-					  ?b ?c ?d ?e ?f ?A ?B ?C ?D ?E ?F)))
-		      (progn
-			(push key events)
-			(ucs-input-insert-char key))
-		    (quail-delete-region)
-		    (throw 'non-digit (append (reverse events)
-					      (listify-key-sequence seq))))))
-	      (quail-delete-region)
-	      (let ((n (string-to-number (apply 'string
-					    (cdr (nreverse events)))
-				     16)))
-		(if (characterp n)
-		    (list n)))))
-	(quail-delete-overlays)
-	(set-buffer-modified-p modified-p)
-	(run-hooks 'input-method-after-insert-chunk-hook)))))
-
-(defun ucs-input-activate (&optional arg)
-  "Activate UCS input method.
-With ARG, activate UCS input method if and only if ARG is positive.
-
-While this input method is active, the variable
-`input-method-function' is bound to the function `ucs-input-method'."
-  (if (and arg
-	  (< (prefix-numeric-value arg) 0))
-      (unwind-protect
-	  (progn
-	    (quail-hide-guidance)
-	    (quail-delete-overlays)
-	    (setq describe-current-input-method-function nil))
-	(kill-local-variable 'input-method-function))
-    (setq deactivate-current-input-method-function 'ucs-input-deactivate)
-    (setq describe-current-input-method-function 'ucs-input-help)
-    (quail-delete-overlays)
-    (if (eq (selected-window) (minibuffer-window))
-	(add-hook 'minibuffer-exit-hook 'quail-exit-from-minibuffer))
-    (set (make-local-variable 'input-method-function)
-	 'ucs-input-method)))
-
-(defun ucs-input-deactivate ()
-  "Deactivate UCS input method."
-  (interactive)
-  (ucs-input-activate -1))
-
-(define-obsolete-function-alias
-  'ucs-input-inactivate
-  'ucs-input-deactivate "24.3")
-
-(defun ucs-input-help ()
-  (interactive)
-  (with-output-to-temp-buffer "*Help*"
-    (princ "\
-Input method: ucs (mode line indicator:U+)
-
-Input as Unicode: U<hex> or u<hex>, where <hex> is a four-digit hex number.")))
-
-;; The file ../leim-ext.el contains the following call.
-;; (register-input-method "ucs" "UTF-8" 'ucs-input-activate "U+"
-;; 		       "Unicode input as hex in the form Uxxxx.")
-
-(provide 'uni-input)
-
-;;; uni-input.el ends here