diff --git a/subprojects/isoinfo/src/isoinfo.c b/subprojects/isoinfo/src/isoinfo.c
index 281bcd5..5ee156d 100644
--- a/subprojects/isoinfo/src/isoinfo.c
+++ b/subprojects/isoinfo/src/isoinfo.c
@@ -141,7 +141,6 @@ LOCAL int	find_pac  = 0;		/* ac for first find primary	*/
 LOCAL char	*const *find_pav = NULL; /* av for first find primary	*/
 LOCAL int	do_sectors = 0;
 LOCAL int	do_pathtab = 0;
-LOCAL int	do_pvd = 0;
 LOCAL BOOL	debug = FALSE;
 LOCAL char	*xtract = 0;
 LOCAL BOOL	Xtract = FALSE;
@@ -1615,91 +1614,6 @@ setcharset:
 		if (!debug)
 			use_rock = FALSE;
 	}
-	if (do_pvd) {
-		/*
-		 * High sierra:
-		 *
-		 *	DESC TYPE	== 1 (VD_SFS)	offset 8	len 1
-		 *	STR ID		== "CDROM"	offset 9	len 5
-		 *	STD_VER		== 1		offset 14	len 1
-		 */
-		if ((((char *)&ipd)[8] == 1) &&
-		    (strncmp(&((char *)&ipd)[9], "CDROM", 5) == 0) &&
-		    (((char *)&ipd)[14] == 1)) {
-			printf(_("CD-ROM is in High Sierra format\n"));
-			exit(0);
-		}
-		/*
-		 * ISO 9660:
-		 *
-		 *	DESC TYPE	== 1 (VD_PVD)	offset 0	len 1
-		 *	STR ID		== "CD001"	offset 1	len 5
-		 *	STD_VER		== 1		offset 6	len 1
-		 */
-		if ((ipd.type[0] != ISO_VD_PRIMARY) ||
-		    (strncmp(ipd.id, ISO_STANDARD_ID, sizeof (ipd.id)) != 0) ||
-		    (ipd.version[0] != 1)) {
-			printf(_("CD-ROM is NOT in ISO 9660 format\n"));
-			exit(1);
-		}
-
-		printf(_("CD-ROM is in ISO 9660 format\n"));
-		if (!use_joliet)
-			list_vd(&ipd, FALSE);
-		{
-			int	block = 16;
-			movebytes(&ipd, &jpd, sizeof (ipd));
-			while ((Uchar)jpd.type[0] != ISO_VD_END) {
-
-				if (debug && (Uchar) jpd.type[0] == ISO_VD_SUPPLEMENTARY)
-					error(_("Joliet escape sequence 0: '%c' 1: '%c' 2: '%c' 3: '%c'\n"),
-						jpd.escape_sequences[0],
-						jpd.escape_sequences[1],
-						jpd.escape_sequences[2],
-						jpd.escape_sequences[3]);
-					/*
-					 * If Joliet UCS escape sequence found, we may be wrong
-					 */
-					if (jpd.escape_sequences[0] == '%' &&
-					    jpd.escape_sequences[1] == '/' &&
-					    (jpd.escape_sequences[3] == '\0' ||
-					    jpd.escape_sequences[3] == ' ') &&
-					    (jpd.escape_sequences[2] == '@' ||
-					    jpd.escape_sequences[2] == 'C' ||
-					    jpd.escape_sequences[2] == 'E')) {
-
-						if (jpd.version[0] == 1)
-							goto nextblock;
-				}
-				if (jpd.type[0] == 0) {
-					movebytes(&jpd, &bpd, sizeof (bpd));
-					if (strncmp(bpd.system_id, EL_TORITO_ID, sizeof (EL_TORITO_ID)) == 0) {
-						bootcat_offset = (Uchar)bpd.bootcat_ptr[0] +
-								(Uchar)bpd.bootcat_ptr[1] * 256 +
-								(Uchar)bpd.bootcat_ptr[2] * 65536 +
-								(Uchar)bpd.bootcat_ptr[3] * 16777216;
-						found_eltorito = TRUE;
-						printf(_("El Torito VD version %d found, boot catalog is in sector %d\n"),
-							bpd.version[0],
-							bootcat_offset);
-					}
-				}
-				if (jpd.version[0] == 2) {
-					printf(_("CD-ROM uses ISO 9660:1999 relaxed format\n"));
-					break;
-				}
-
-			nextblock:
-				block++;
-#ifdef	USE_SCG
-				readsecs(block + toc_offset, &jpd, ISO_BLOCKS(sizeof (jpd)));
-#else
-				lseek(fileno(infile), ((off_t)(block + toc_offset)) <<11, SEEK_SET);
-				read(fileno(infile), &jpd, sizeof (jpd));
-#endif
-			}
-		}
-	}
 	/*
 	 * ISO 9660:
 	 *
@@ -1714,7 +1628,7 @@ setcharset:
 		exit(1);
 	}
 
-	if (use_joliet || do_pvd) {
+	if (use_joliet) {
 		int block = 16;
 		movebytes(&ipd, &jpd, sizeof (ipd));
 		while ((unsigned char) jpd.type[0] != ISO_VD_END) {
@@ -1775,61 +1689,6 @@ setcharset:
 			_("Warning: Joliet escape sequence uses illegal space at offset 3\n"));
 	}
 
-	if (do_pvd) {
-		if (ucs_level > 0) {
-			if (use_joliet) {
-				printf(_("\nJoliet with UCS level %d found,"), ucs_level);
-				printf(_(" Joliet volume descriptor:\n"));
-				list_vd(&jpd, TRUE);
-			} else {
-				printf(_("\nJoliet with UCS level %d found."), ucs_level);
-			}
-		} else {
-			printf(_("NO Joliet present\n"));
-		}
-
-		if (c != 0) {
-#ifdef	RR_DEBUG
-			printf("RR %X %d\n", c, c);
-#endif
-			if (c & RR_FLAG_SP) {
-				printf(
-				_("\nSUSP signatures version %d found\n"),
-				su_version);
-				if (c & RR_FLAG_ER) {
-					if (rr_version < 1) {
-						printf(
-						_("No valid Rock Ridge signature found\n"));
-					} else {
-						printf(
-						_("Rock Ridge signatures version %d found\n"),
-						rr_version);
-						printf(
-						_("Rock Ridge id '%s'\n"),
-						er_id);
-					}
-				}
-			} else {
-				printf(
-				_("\nBad Rock Ridge signatures found (SU record missing)\n"));
-			}
-			/*
-			 * This is currently a no op!
-			 * We need to check the first plain file instead of
-			 * the '.' entry in the root directory.
-			 */
-			if (c & RR_FLAG_AA) {
-				printf(_("\nApple signatures version %d found\n"),
-								aa_version);
-			}
-		} else {
-			printf(_("\nNo SUSP/Rock Ridge present\n"));
-		}
-		if (found_eltorito)
-			printf_bootinfo(infile, bootcat_offset);
-		exit(0);
-	}
-
 	if (use_joliet)
 		idr = (struct iso_directory_record *)jpd.root_directory_record;