diff --git a/sys/tools/usbdevs2h.awk b/sys/tools/usbdevs2h.awk
index 8d641d0677b2..42e57cf190a8 100644
--- a/sys/tools/usbdevs2h.awk
+++ b/sys/tools/usbdevs2h.awk
@@ -42,14 +42,6 @@ function usage()
 
 function header(file)
 {
-	if (os == "NetBSD")
-		printf("/*\t\$NetBSD\$\t*/\n\n") > file
-	else if (os == "FreeBSD")
-		printf("/* \$FreeBSD\$ */\n\n") > file
-	else if (os == "OpenBSD")
-		printf("/*\t\$OpenBSD\$\t*/\n\n") > file
-	else
-		printf("/* ??? */\n\n") > file
 	printf("/*\n") > file
 	printf(" * THIS FILE IS AUTOMATICALLY GENERATED.  DO NOT EDIT.\n") \
 	    > file