diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 6625d83fc9..8625222157 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2000-05-08  Alan Modra  <alan@linuxcare.com.au>
+
+	* m68k-dis.c (dummy_printer): Add ATTRIBUTE_UNUSED to args.
+	(dummy_print_address): Ditto.
+
 2000-05-04  Timothy Wall  <twall@cygnus.com>
 
 	* tic54x-opc.c: New.
diff --git a/opcodes/m68k-dis.c b/opcodes/m68k-dis.c
index 10c461dae5..7f4b110474 100644
--- a/opcodes/m68k-dis.c
+++ b/opcodes/m68k-dis.c
@@ -1,5 +1,5 @@
 /* Print Motorola 68k instructions.
-   Copyright 1986, 87, 89, 91, 92, 93, 94, 95, 96, 97, 98, 1999
+   Copyright 1986, 87, 89, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
    Free Software Foundation, Inc.
 
 This file is free software; you can redistribute it and/or modify
@@ -151,16 +151,17 @@ fetch_data (info, addr)
 /* This function is used to print to the bit-bucket. */
 static int
 #ifdef __STDC__
-dummy_printer (FILE * file, const char * format, ...)
+dummy_printer (FILE * file ATTRIBUTE_UNUSED,
+	       const char * format ATTRIBUTE_UNUSED, ...)
 #else
-dummy_printer (file) FILE *file;
+dummy_printer (file) FILE *file ATTRIBUTE_UNUSED;
 #endif
  { return 0; }
 
 static void
 dummy_print_address (vma, info)
-     bfd_vma vma;
-     struct disassemble_info *info;
+     bfd_vma vma ATTRIBUTE_UNUSED;
+     struct disassemble_info *info ATTRIBUTE_UNUSED;
 {
 }