diff --git a/usr.sbin/fstyp/Makefile b/usr.sbin/fstyp/Makefile
index 2d3a4681c58d..7915147edac7 100644
--- a/usr.sbin/fstyp/Makefile
+++ b/usr.sbin/fstyp/Makefile
@@ -13,6 +13,10 @@ MAN=	fstyp.8
 
 WARNS?=	2
 
+.if ${MK_ICONV} == "yes"
+CFLAGS+=	-DWITH_ICONV
+.endif
+
 .include <bsd.endian.mk>
 
 .if ${TARGET_ENDIANNESS} == 1234
diff --git a/usr.sbin/fstyp/apfs.c b/usr.sbin/fstyp/apfs.c
index 7d4794b967bb..049a9f862f2b 100644
--- a/usr.sbin/fstyp/apfs.c
+++ b/usr.sbin/fstyp/apfs.c
@@ -29,7 +29,6 @@ __FBSDID("$FreeBSD$");
 #include <assert.h>
 #include <err.h>
 #include <errno.h>
-#include <iconv.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
diff --git a/usr.sbin/fstyp/exfat.c b/usr.sbin/fstyp/exfat.c
index a3b19c151244..d77ba9253d39 100644
--- a/usr.sbin/fstyp/exfat.c
+++ b/usr.sbin/fstyp/exfat.c
@@ -33,7 +33,9 @@ __FBSDID("$FreeBSD$");
 #include <assert.h>
 #include <err.h>
 #include <errno.h>
+#ifdef WITH_ICONV
 #include <iconv.h>
+#endif
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -184,6 +186,7 @@ exfat_compute_boot_chksum(FILE *fp, unsigned region, unsigned bytespersec,
 	return (0);
 }
 
+#ifdef WITH_ICONV
 static void
 convert_label(const uint16_t *ucs2label /* LE */, unsigned ucs2len, char
     *label_out, size_t label_sz)
@@ -316,6 +319,7 @@ exfat_find_label(FILE *fp, const struct exfat_vbr *ev, unsigned BPS,
 		free(declust);
 	}
 }
+#endif /* WITH_ICONV */
 
 int
 fstyp_exfat(FILE *fp, char *label, size_t size)
@@ -356,8 +360,10 @@ fstyp_exfat(FILE *fp, char *label, size_t size)
 		goto done;
 	}
 
+#ifdef WITH_ICONV
 	if (show_label)
 		exfat_find_label(fp, ev, bytespersec, label, size);
+#endif
 
 done:
 	free(cksect);
diff --git a/usr.sbin/fstyp/fstyp.c b/usr.sbin/fstyp/fstyp.c
index e4c96903dcc6..632fbcb2623c 100644
--- a/usr.sbin/fstyp/fstyp.c
+++ b/usr.sbin/fstyp/fstyp.c
@@ -38,7 +38,9 @@ __FBSDID("$FreeBSD$");
 #include <capsicum_helpers.h>
 #include <err.h>
 #include <errno.h>
+#ifdef WITH_ICONV
 #include <iconv.h>
+#endif
 #include <locale.h>
 #include <stdbool.h>
 #include <stddef.h>
@@ -199,6 +201,7 @@ main(int argc, char **argv)
 		err(1, "setlocale");
 	caph_cache_catpages();
 
+#ifdef WITH_ICONV
 	/* Cache iconv conversion data before entering capability mode. */
 	if (show_label) {
 		for (i = 0; i < nitems(fstypes); i++) {
@@ -214,6 +217,7 @@ main(int argc, char **argv)
 			iconv_close(cd);
 		}
 	}
+#endif
 
 	fp = fopen(path, "r");
 	if (fp == NULL)
diff --git a/usr.sbin/fstyp/hfsplus.c b/usr.sbin/fstyp/hfsplus.c
index 6e90840b978e..71287465e4ff 100644
--- a/usr.sbin/fstyp/hfsplus.c
+++ b/usr.sbin/fstyp/hfsplus.c
@@ -29,7 +29,6 @@ __FBSDID("$FreeBSD$");
 #include <assert.h>
 #include <err.h>
 #include <errno.h>
-#include <iconv.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
diff --git a/usr.sbin/fstyp/ntfs.c b/usr.sbin/fstyp/ntfs.c
index d7e29c23fe85..440f5716392f 100644
--- a/usr.sbin/fstyp/ntfs.c
+++ b/usr.sbin/fstyp/ntfs.c
@@ -32,7 +32,9 @@
 __FBSDID("$FreeBSD$");
 
 #include <err.h>
+#ifdef WITH_ICONV
 #include <iconv.h>
+#endif
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -94,6 +96,7 @@ struct ntfs_bootfile {
 	uint32_t	bf_volsn;
 } __packed;
 
+#ifdef WITH_ICONV
 static void
 convert_label(const void *label /* LE */, size_t labellen, char *label_out,
     size_t label_sz)
@@ -125,6 +128,7 @@ convert_label(const void *label /* LE */, size_t labellen, char *label_out,
 
 	iconv_close(cd);
 }
+#endif
 
 int
 fstyp_ntfs(FILE *fp, char *label, size_t size)
@@ -142,6 +146,7 @@ fstyp_ntfs(FILE *fp, char *label, size_t size)
 	bf = (struct ntfs_bootfile *)read_buf(fp, 0, 512);
 	if (bf == NULL || strncmp(bf->bf_sysid, "NTFS    ", 8) != 0)
 		goto fail;
+#ifdef WITH_ICONV
 	if (!show_label)
 		goto ok;
 
@@ -171,6 +176,7 @@ fstyp_ntfs(FILE *fp, char *label, size_t size)
 	}
 
 ok:
+#endif /* WITH_ICONV */
 	free(bf);
 	free(filerecp);