diff --git a/sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h b/sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h
index 58b4806eb2..04ac006400 100644
--- a/sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -237,8 +237,6 @@ typedef int lll_lock_t;
 #define LLL_LOCK_INITIALIZER		(0)
 #define LLL_LOCK_INITIALIZER_LOCKED	(1)
 
-extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
-
 /* The states of a lock are:
     0  -  untaken
     1  -  taken by one user