diff --git a/clients/examples/lcdident.pl b/clients/examples/lcdident.pl
index 3a87611..0b7b714 100755
--- a/clients/examples/lcdident.pl
+++ b/clients/examples/lcdident.pl
@@ -1,7 +1,5 @@
 #!/usr/bin/perl -w
 
-# $Id$
-#
 # Copyright (c) 2008, Ethan Dicks <ethan.dicks@gmail.com>
 #
 # This file is free software; you can redistribute it and/or modify
diff --git a/clients/metar/lcdmetar.pl b/clients/metar/lcdmetar.pl
index d445dce..8b78eb3 100755
--- a/clients/metar/lcdmetar.pl
+++ b/clients/metar/lcdmetar.pl
@@ -1,7 +1,5 @@
 #!/usr/bin/perl -w
 
-# $Id$
-
 # Following is the POD documentation, type perldoc lcdmetar.pl to read it.
 =pod
 
diff --git a/contrib/interface-demo2/interface.c b/contrib/interface-demo2/interface.c
index 424809f..bd30b5d 100644
--- a/contrib/interface-demo2/interface.c
+++ b/contrib/interface-demo2/interface.c
@@ -7,7 +7,6 @@
    8/2000  Andi Kleen make the list operations a bit more efficient.
    People are crazy enough to use thousands of aliases now.
 
-   $Id$
  */
 
 #include "config.h"
diff --git a/contrib/interface-demo2/nstrcmp.c b/contrib/interface-demo2/nstrcmp.c
index 2c75b66..c7f915b 100644
--- a/contrib/interface-demo2/nstrcmp.c
+++ b/contrib/interface-demo2/nstrcmp.c
@@ -1,6 +1,5 @@
 /* Copyright 1998 by Andi Kleen. Subject to the GPL. */
 /* rewritten by bernd eckenfels because of complicated alias semantic */
-/* $Id$ */ 
 #include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
@@ -129,7 +128,7 @@ int main()
 	err |= dotest("a:", "a:", 0);
 	err |= dotest(":a", ":a", 0);
 
-	err |= dotest("a", "aa", -1);	
+	err |= dotest("a", "aa", -1);
 	err |= dotest("eth0", "eth1", -1);
 	err |= dotest("eth1", "eth20", -1);
 	err |= dotest("eth20", "eth100", -1);
@@ -142,7 +141,7 @@ int main()
 
 	err |= dotest("aa", "a", 1);
 	err |= dotest("eth2", "eth1", 1);
-	err |= dotest("eth13", "eth1", 1);	
+	err |= dotest("eth13", "eth1", 1);
 	err |= dotest("eth2", "eth", 1);
 	err |= dotest("eth2:10", "eth2:1", 1);
 	err |= dotest("eth2:5", "eth2:4", 1);