diff --git a/usr.sbin/makefs/cd9660.h b/usr.sbin/makefs/cd9660.h
index 80b49f86ecf8..c4baa590101a 100644
--- a/usr.sbin/makefs/cd9660.h
+++ b/usr.sbin/makefs/cd9660.h
@@ -65,31 +65,8 @@
 #define	INODE_WARNX(__x)
 #endif /* DEBUG */
 
-#define ISO_STRING_FILTER_NONE = 0x00
-#define ISO_STRING_FILTER_DCHARS = 0x01
-#define ISO_STRING_FILTER_ACHARS = 0x02
-
-/*
-Extended preferences type, in the spirit of what makefs gives us (only ints)
-*/
-typedef struct {
-	const char  *shortName;		/* Short option */
-	const char	*name;		/* option name */
-	char		*value;		/* where to stuff the value */
-	int		minLength;	/* minimum for value */
-	int		maxLength;	/* maximum for value */
-	const char	*desc;		/* option description */
-	int		filterFlags;
-} string_option_t;
-
 /******** STRUCTURES **********/
 
-/*Defaults*/
-#define ISO_DEFAULT_VOLUMEID "MAKEFS_CD9660_IMAGE"
-#define ISO_DEFAULT_APPID "MAKEFS"
-#define ISO_DEFAULT_PUBLISHER "MAKEFS"
-#define ISO_DEFAULT_PREPARER "MAKEFS"
-
 #define ISO_VOLUME_DESCRIPTOR_STANDARD_ID "CD001"
 #define ISO_VOLUME_DESCRIPTOR_BOOT 0
 #define ISO_VOLUME_DESCRIPTOR_PVD 1