diff --git a/zircon/system/ulib/c/BUILD.gn b/zircon/system/ulib/c/BUILD.gn
index 252447012c14ff825537757371af4339dbd8eb30..660b742cfdf5a16718f13ff782d1464a7858e96e 100644
--- a/zircon/system/ulib/c/BUILD.gn
+++ b/zircon/system/ulib/c/BUILD.gn
@@ -177,7 +177,6 @@ library("c") {
"float.h",
"fmtmsg.h",
"fnmatch.h",
- "ftw.h",
"getopt.h",
"glob.h",
"grp.h",
diff --git a/zircon/third_party/ulib/musl/include/ftw.h b/zircon/third_party/ulib/musl/include/ftw.h
deleted file mode 100644
index 5df9c57c9c52756fa3a969695a75a0a6e3c077ee..0000000000000000000000000000000000000000
--- a/zircon/third_party/ulib/musl/include/ftw.h
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef SYSROOT_FTW_H_
-#define SYSROOT_FTW_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <features.h>
-#include <sys/stat.h>
-
-#define FTW_F 1
-#define FTW_D 2
-#define FTW_DNR 3
-#define FTW_NS 4
-#define FTW_SL 5
-#define FTW_DP 6
-#define FTW_SLN 7
-
-#define FTW_PHYS 1
-#define FTW_MOUNT 2
-#define FTW_CHDIR 4
-#define FTW_DEPTH 8
-
-struct FTW {
- int base;
- int level;
-};
-
-int ftw(const char*, int (*)(const char*, const struct stat*, int), int);
-int nftw(const char*, int (*)(const char*, const struct stat*, int, struct FTW*), int, int);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // SYSROOT_FTW_H_
diff --git a/zircon/third_party/ulib/musl/src/legacy/ftw.c b/zircon/third_party/ulib/musl/src/legacy/ftw.c
deleted file mode 100644
index d479a3b4535aa93eeeda015ff856855a59e9bc81..0000000000000000000000000000000000000000
--- a/zircon/third_party/ulib/musl/src/legacy/ftw.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#include <ftw.h>
-
-int ftw(const char* path, int (*fn)(const char*, const struct stat*, int), int fd_limit) {
- /* The following cast assumes that calling a function with one
- * argument more than it needs behaves as expected. This is
- * actually undefined, but works on all real-world machines. */
- return nftw(path, (int (*)(const char*, const struct stat*, int, struct FTW*))fn, fd_limit, FTW_PHYS);
-}
diff --git a/zircon/third_party/ulib/musl/src/misc/nftw.c b/zircon/third_party/ulib/musl/src/misc/nftw.c
deleted file mode 100644
index a12912f1e364ff3d6301ddf9370332554b842804..0000000000000000000000000000000000000000
--- a/zircon/third_party/ulib/musl/src/misc/nftw.c
+++ /dev/null
@@ -1,121 +0,0 @@
-#include <dirent.h>
-#include <errno.h>
-#include <ftw.h>
-#include <limits.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-struct history {
- struct history* chain;
- dev_t dev;
- ino_t ino;
- int level;
- int base;
-};
-
-#undef dirfd
-#define dirfd(d) (*(int*)d)
-
-static int do_nftw(char* path, int (*fn)(const char*, const struct stat*, int, struct FTW*),
- int fd_limit, int flags, struct history* h) {
- size_t l = strlen(path), j = l && path[l - 1] == '/' ? l - 1 : l;
- struct stat st;
- struct history new;
- int type;
- int r;
- struct FTW lev;
- char* name;
-
- if ((flags & FTW_PHYS) ? lstat(path, &st) : stat(path, &st) < 0) {
- if (!(flags & FTW_PHYS) && errno == ENOENT && !lstat(path, &st))
- type = FTW_SLN;
- else if (errno != EACCES)
- return -1;
- else
- type = FTW_NS;
- } else if (S_ISDIR(st.st_mode)) {
- if (access(path, R_OK) < 0)
- type = FTW_DNR;
- else if (flags & FTW_DEPTH)
- type = FTW_DP;
- else
- type = FTW_D;
- } else if (S_ISLNK(st.st_mode)) {
- if (flags & FTW_PHYS)
- type = FTW_SL;
- else
- type = FTW_SLN;
- } else {
- type = FTW_F;
- }
-
- if ((flags & FTW_MOUNT) && h && st.st_dev != h->dev)
- return 0;
-
- new.chain = h;
- new.dev = st.st_dev;
- new.ino = st.st_ino;
- new.level = h ? h->level + 1 : 0;
- new.base = l + 1;
-
- lev.level = new.level;
- lev.base = h ? h->base : (name = strrchr(path, '/')) ? name - path : 0;
-
- if (!(flags & FTW_DEPTH) && (r = fn(path, &st, type, &lev)))
- return r;
-
- for (; h; h = h->chain)
- if (h->dev == st.st_dev && h->ino == st.st_ino)
- return 0;
-
- if ((type == FTW_D || type == FTW_DP) && fd_limit) {
- DIR* d = opendir(path);
- if (d) {
- struct dirent* de;
- while ((de = readdir(d))) {
- if (de->d_name[0] == '.' &&
- (!de->d_name[1] || (de->d_name[1] == '.' && !de->d_name[2])))
- continue;
- if (strlen(de->d_name) >= PATH_MAX - l) {
- errno = ENAMETOOLONG;
- closedir(d);
- return -1;
- }
- path[j] = '/';
- strcpy(path + j + 1, de->d_name);
- if ((r = do_nftw(path, fn, fd_limit - 1, flags, &new))) {
- closedir(d);
- return r;
- }
- }
- closedir(d);
- } else if (errno != EACCES) {
- return -1;
- }
- }
-
- path[l] = 0;
- if ((flags & FTW_DEPTH) && (r = fn(path, &st, type, &lev)))
- return r;
-
- return 0;
-}
-
-int nftw(const char* path, int (*fn)(const char*, const struct stat*, int, struct FTW*),
- int fd_limit, int flags) {
- size_t l;
- char pathbuf[PATH_MAX + 1];
-
- if (fd_limit <= 0)
- return 0;
-
- l = strlen(path);
- if (l > PATH_MAX) {
- errno = ENAMETOOLONG;
- return -1;
- }
- memcpy(pathbuf, path, l + 1);
-
- return do_nftw(pathbuf, fn, fd_limit, flags, NULL);
-}