diff --git a/app/src/main/cpp/sox/win32/glob.c b/app/src/main/cpp/sox/win32/glob.c
deleted file mode 100644
index d1cf375..0000000
--- a/app/src/main/cpp/sox/win32/glob.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/* libSoX minimal glob for MS-Windows: (c) 2009 SoX contributors
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or (at
- * your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser
- * General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include "glob.h"
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#define WIN32_LEAN_AND_MEAN 1
-#include <windows.h>
-
-typedef struct file_entry
-{
-    char name[MAX_PATH];
-    struct file_entry *next;
-} file_entry;
-
-static int
-insert(
-    const char* path,
-    const char* name,
-    file_entry** phead)
-{
-    int len;
-    file_entry* cur = malloc(sizeof(file_entry));
-    if (!cur)
-    {
-        return ENOMEM;
-    }
-
-    len = _snprintf(cur->name, MAX_PATH, "%s%s", path, name);
-    cur->name[MAX_PATH - 1] = 0;
-    cur->next = *phead;
-    *phead = cur;
-
-    return len < 0 || len >= MAX_PATH ? ENAMETOOLONG : 0;
-}
-
-static int
-entry_comparer(
-    const void* pv1,
-    const void* pv2)
-{
-	const file_entry* const * pe1 = pv1;
-	const file_entry* const * pe2 = pv2;
-    return _stricmp((*pe1)->name, (*pe2)->name);
-}
-
-int
-glob(
-    const char *pattern,
-    int flags,
-    void *unused,
-    glob_t *pglob)
-{
-    char path[MAX_PATH];
-    file_entry *head = NULL;
-    int err = 0;
-    size_t len;
-    unsigned entries = 0;
-    WIN32_FIND_DATAA finddata;
-    HANDLE hfindfile;
-
-    if (!pattern || flags != (flags & GLOB_FLAGS) || unused || !pglob)
-    {
-        errno = EINVAL;
-        return EINVAL;
-    }
-
-    path[MAX_PATH - 1] = 0;
-    strncpy(path, pattern, MAX_PATH);
-    if (path[MAX_PATH - 1] != 0)
-    {
-        errno = ENAMETOOLONG;
-        return ENAMETOOLONG;
-    }
-
-    len = strlen(path);
-    while (len > 0 && path[len - 1] != '/' && path[len - 1] != '\\')
-        len--;
-    path[len] = 0;
-
-    hfindfile = FindFirstFileA(pattern, &finddata);
-    if (hfindfile == INVALID_HANDLE_VALUE)
-    {
-        if (flags & GLOB_NOCHECK)
-        {
-            err = insert("", pattern, &head);
-            entries++;
-        }
-    }
-    else
-    {
-        do
-        {
-            err = insert(path, finddata.cFileName, &head);
-            entries++;
-        } while (!err && FindNextFileA(hfindfile, &finddata));
-
-        FindClose(hfindfile);
-    }
-
-    if (err == 0)
-    {
-        pglob->gl_pathv = malloc((entries + 1) * sizeof(char*));
-        if (pglob->gl_pathv)
-        {
-            pglob->gl_pathc = entries;
-            pglob->gl_pathv[entries] = NULL;
-            for (; head; head = head->next, entries--)
-                pglob->gl_pathv[entries - 1] = (char*)head;
-            qsort(pglob->gl_pathv, pglob->gl_pathc, sizeof(char*), entry_comparer);
-        }
-        else
-        {
-            pglob->gl_pathc = 0;
-            err = ENOMEM;
-        }
-    }
-    else if (pglob)
-    {
-        pglob->gl_pathc = 0;
-        pglob->gl_pathv = NULL;
-    }
-
-    if (err)
-    {
-        file_entry *cur;
-        while (head)
-        {
-            cur = head;
-            head = head->next;
-            free(cur);
-        }
-
-        errno = err;
-    }
-
-    return err;
-}
-
-void
-globfree(
-    glob_t* pglob)
-{
-    if (pglob)
-    {
-        char** cur;
-        for (cur = pglob->gl_pathv; *cur; cur++)
-        {
-            free(*cur);
-        }
-
-        pglob->gl_pathc = 0;
-        pglob->gl_pathv = NULL;
-    }
-}
diff --git a/app/src/main/cpp/sox/win32/glob.h b/app/src/main/cpp/sox/win32/glob.h
deleted file mode 100644
index 30f4179..0000000
--- a/app/src/main/cpp/sox/win32/glob.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/* libSoX minimal glob for MS-Windows: (c) 2009 SoX contributors
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or (at
- * your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser
- * General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifndef GLOB_H
-#define GLOB_H 1
-
-#define GLOB_NOCHECK (16)
-#define GLOB_FLAGS (GLOB_NOCHECK)
-
-typedef struct glob_t
-{
-    unsigned gl_pathc;
-    char **gl_pathv;
-} glob_t;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-int
-glob(
-    const char *pattern,
-    int flags,
-    void *unused,
-    glob_t *pglob);
-
-void
-globfree(
-    glob_t* pglob);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* ifndef GLOB_H */