diff --git a/sys/arm/include/pmap.h b/sys/arm/include/pmap.h
index 90b1cdb827af..b16651f789cc 100644
--- a/sys/arm/include/pmap.h
+++ b/sys/arm/include/pmap.h
@@ -1,79 +1,80 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  *
  * Copyright (c) 2016 Svatopluk Kraus
  * Copyright (c) 2016 Michal Meloun
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 
 #ifndef _MACHINE_PMAP_H_
 #define _MACHINE_PMAP_H_
 
 #include <machine/pmap-v6.h>
 
 #ifdef _KERNEL
 #include <sys/systm.h>
 
 extern char *_tmppt;	/* poor name! */
 
 extern vm_offset_t virtual_avail;
 extern vm_offset_t virtual_end;
 
 void *pmap_kenter_temporary(vm_paddr_t, int);
 #define	pmap_page_is_write_mapped(m)	(((m)->a.flags & PGA_WRITEABLE) != 0)
 void pmap_page_set_memattr(vm_page_t, vm_memattr_t);
 
 void *pmap_mapdev(vm_paddr_t, vm_size_t);
 void pmap_unmapdev(void *, vm_size_t);
 
 static inline void *
-pmap_mapdev_attr(vm_paddr_t addr, vm_size_t size, int attr)
+pmap_mapdev_attr(vm_paddr_t addr __unused, vm_size_t size __unused,
+    int attr __unused)
 {
 	panic("%s is not implemented yet!\n", __func__);
 }
 
 struct pcb;
 void pmap_set_pcb_pagedir(pmap_t, struct pcb *);
 
 void pmap_kenter_device(vm_offset_t, vm_size_t, vm_paddr_t);
 void pmap_kremove_device(vm_offset_t, vm_size_t);
 
 vm_paddr_t pmap_kextract(vm_offset_t);
 #define vtophys(va)	pmap_kextract((vm_offset_t)(va))
 
 static inline int
 pmap_vmspace_copy(pmap_t dst_pmap __unused, pmap_t src_pmap __unused)
 {
 
 	return (0);
 }
 
 #define	PMAP_ENTER_QUICK_LOCKED	0x10000000
 
 #define	pmap_vm_page_alloc_check(m)
 
 #endif	/* _KERNEL */
 #endif	/* !_MACHINE_PMAP_H_ */